Treatment Tracker

The Doctors and Services in Medicare Part B

How This Provider Compares

This Provider

Avg in State & Specialty

Providers in this state and specialty were reimbursed, on average, $435 per patient in 2015.
They performed about 4 services per patient. Here’s how this provider compares.

Number of
Patients
1,233
Rank: 214th
out of 1,790 providers in this state & specialty
Services
Performed
4,290
Rank: 359th
out of 1,790 providers in this state & specialty
Avg Services
Per Patient
3.5 This Provider
Avg 4.5
Total Paid
by Medicare
$543K
Rank: 232nd
out of 1,790 providers in this state & specialty
Avg Paid
Per Patient
$441 This Provider
Avg $435

How This Provider’s Patients Compare

Doctors often say their patients are sicker or more complex than those of their peers. The measure displayed below, used by the Centers for Medicare and Medicaid Services, takes into account patients’ characteristics to estimate whether they are expected to have above-average Medicare spending. It considers patients’ age, sex, diagnoses from the past year and other factors. This provider’s score below takes into account all of his Part B patients.

This Provider's Services

This provider performed 38 different services in 2015
(14 were redacted as they were performed on less than 11 patients)

All Services

Show Only:

Drug Services
Medical Services
CATEGORY
Description of Service
Times Performed (or Units) This Service's Rank Patients Unique Visits
Per Patient
Billed to Medicare Payments from Medicare
medical
EVALUATION AND MANAGEMENT

Established patient office or other outpatient, visit typ... +

Established patient office or other outpatient, visit typically 25 minutes ×

Service Code: 99214
Performed in an office
779
times performed,
18% of his services

1st 12th

most performed service for this provider most performed service in this state & specialty

572
patients got this service, 46% of his patients
1.4
average number of visits a patient made for this service
(Peers: 1.4)
$140,570.55an average of $180.45 per time performed $64,166.23
an average of $82.37 per time performed
medical
MEDICINE

Injection of allergenic extracts into skin, accessed thro... +

Injection of allergenic extracts into skin, accessed through the skin ×

Service Code: 95004
Performed in an office
660
times performed,
15% of his services

2nd 16th

most performed service for this provider most performed service in this state & specialty

11
patients got this service, 0.89% of his patients
1
average number of visits a patient made for this service
(Peers: 1)
$10,619.40an average of $16.09 per time performed $3,286.80
an average of $4.98 per time performed
medical
EYE

Removal of cataract with insertion of lens

Service Code: 66984
Performed in a facility
500
times performed,
12% of his services

3rd 13th

most performed service for this provider most performed service in this state & specialty

303
patients got this service, 25% of his patients
1.7
average number of visits a patient made for this service
(Peers: 1.5)
$1,094,395.00an average of $2,188.79 per time performed $259,105.00
an average of $518.21 per time performed
medical
EVALUATION AND MANAGEMENT

Established patient office or other outpatient visit, typ... +

Established patient office or other outpatient visit, typically 15 minutes ×

Service Code: 99213
Performed in an office
461
times performed,
11% of his services

4th 5th

most performed service for this provider most performed service in this state & specialty

389
patients got this service, 32% of his patients
1.2
average number of visits a patient made for this service
(Peers: 1.6)
$55,186.31an average of $119.71 per time performed $24,156.40
an average of $52.40 per time performed
medical
RADIOLOGY

Ultrasound of eye for determination of lens power

Service Code: 76519
Performed in an office
447
times performed,
10% of his services

5th 29th

most performed service for this provider most performed service in this state & specialty

295
patients got this service, 24% of his patients
1.4
average number of visits a patient made for this service
(Peers: 1.2)
$30,436.23an average of $68.09 per time performed $12,037.71
an average of $26.93 per time performed
medical
EVALUATION AND MANAGEMENT

New patient office or other outpatient visit, typically 4... +

New patient office or other outpatient visit, typically 45 minutes ×

Service Code: 99204
Performed in an office
196
times performed,
5% of his services

6th 21st

most performed service for this provider most performed service in this state & specialty

196
patients got this service, 16% of his patients
1
average number of visits a patient made for this service
(Peers: 1)
$44,646.84an average of $227.79 per time performed $22,324.40
an average of $113.90 per time performed
medical
MEDICINE

Photography of the retina

Service Code: 92250
Performed in an office
180
times performed,
4% of his services

7th 7th

most performed service for this provider most performed service in this state & specialty

169
patients got this service, 14% of his patients
1.1
average number of visits a patient made for this service
(Peers: 1.2)
$23,018.40an average of $127.88 per time performed $11,764.80
an average of $65.36 per time performed
medical
MEDICINE

Measurement of field of vision during daylight conditions +

Measurement of field of vision during daylight conditions ×

Service Code: 92083
Performed in an office
160
times performed,
4% of his services

8th 4th

most performed service for this provider most performed service in this state & specialty

155
patients got this service, 13% of his patients
1
average number of visits a patient made for this service
(Peers: 1.1)
$20,692.80an average of $129.33 per time performed $7,910.40
an average of $49.44 per time performed
medical
MEDICINE

Eye and medical examination for diagnosis and treatment, ... +

Eye and medical examination for diagnosis and treatment, established patient ×

Service Code: 92012
Performed in an office
160
times performed,
4% of his services

9th 2nd

most performed service for this provider most performed service in this state & specialty

118
patients got this service, 10% of his patients
1.4
average number of visits a patient made for this service
(Peers: 1.8)
$19,156.80an average of $119.73 per time performed $10,084.80
an average of $63.03 per time performed
medical
MEDICINE

Diagnostic imaging of optic nerve of eye

Service Code: 92133
Performed in an office
120
times performed,
3% of his services

10th 6th

most performed service for this provider most performed service in this state & specialty

117
patients got this service, 9% of his patients
1
average number of visits a patient made for this service
(Peers: 1.1)
$21,346.80an average of $177.89 per time performed $4,107.60
an average of $34.23 per time performed
medical
MEDICINE

Eye and medical examination for diagnosis and treatment, ... +

Eye and medical examination for diagnosis and treatment, established patient, 1 or more visits ×

Service Code: 92014
Performed in an office
101
times performed,
2% of his services

11th 1st

most performed service for this provider most performed service in this state & specialty

100
patients got this service, 8% of his patients
1
average number of visits a patient made for this service
(Peers: 1.2)
$23,939.02an average of $237.02 per time performed $9,731.35
an average of $96.35 per time performed
medical
EYE

Closure of tear duct opening using plug

Service Code: 68761
Performed in an office
77
times performed,
2% of his services

12th 23rd

most performed service for this provider most performed service in this state & specialty

66
patients got this service, 5% of his patients
1.1
average number of visits a patient made for this service
(Peers: 1.5)
$45,777.27an average of $594.51 per time performed $11,710.93
an average of $152.09 per time performed
medical
EVALUATION AND MANAGEMENT

Established patient office or other outpatient visit, typ... +

Established patient office or other outpatient visit, typically 10 minutes ×

Service Code: 99212
Performed in an office
75
times performed,
2% of his services

13th 25th

most performed service for this provider most performed service in this state & specialty

70
patients got this service, 6% of his patients
1.1
average number of visits a patient made for this service
(Peers: 1.5)
$6,783.00an average of $90.44 per time performed $2,129.25
an average of $28.39 per time performed
medical
EMERGING TECHNOLOGIES

Internal insertion of eye fluid drainage device

Service Code: 0191T
Performed in a facility
49
times performed,
1% of his services

14th 77th

most performed service for this provider most performed service in this state & specialty

31
patients got this service, 3% of his patients
1.6
average number of visits a patient made for this service
(Peers: 1.4)
$117,439.77an average of $2,396.73 per time performed $38,659.53
an average of $788.97 per time performed
medical
EYE

Removal of recurring cataract in lens capsule using laser +

Removal of recurring cataract in lens capsule using laser ×

Service Code: 66821
Performed in an office
48
times performed,
1% of his services

15th 33rd

most performed service for this provider most performed service in this state & specialty

44
patients got this service, 4% of his patients
1.1
average number of visits a patient made for this service
(Peers: 1.2)
$37,051.68an average of $771.91 per time performed $12,881.28
an average of $268.36 per time performed
medical
MEDICINE

Eye and medical examination for diagnosis and treatment, ... +

Eye and medical examination for diagnosis and treatment, new patient, 1 or more visits ×

Service Code: 92004
Performed in an office
42
times performed,
0.98% of his services

16th 14th

most performed service for this provider most performed service in this state & specialty

42
patients got this service, 3% of his patients
1
average number of visits a patient made for this service
(Peers: 1)
$11,746.56an average of $279.68 per time performed $4,467.12
an average of $106.36 per time performed
medical
MEDICINE

Examination of cornea and iris using lens device and slit... +

Examination of cornea and iris using lens device and slit lamp ×

Service Code: 92020
Performed in an office
40
times performed,
0.93% of his services

17th 19th

most performed service for this provider most performed service in this state & specialty

39
patients got this service, 3% of his patients
1
average number of visits a patient made for this service
(Peers: 1.1)
$3,364.40an average of $84.11 per time performed $856.00
an average of $21.40 per time performed
medical
EYE

Removal of recurring cataract in lens capsule using laser +

Removal of recurring cataract in lens capsule using laser ×

Service Code: 66821
Performed in a facility
32
times performed,
0.75% of his services

18th 32nd

most performed service for this provider most performed service in this state & specialty

30
patients got this service, 2% of his patients
1.1
average number of visits a patient made for this service
(Peers: 1.2)
$24,074.24an average of $752.32 per time performed $8,109.44
an average of $253.42 per time performed
medical
EYE

Laser repair to improve eye fluid flow, 1 or more sessions +

Laser repair to improve eye fluid flow, 1 or more sessions ×

Service Code: 65855
Performed in an office
30
times performed,
0.7% of his services

19th 48th

most performed service for this provider most performed service in this state & specialty

23
patients got this service, 2% of his patients
1.3
average number of visits a patient made for this service
(Peers: 1.5)
$20,012.40an average of $667.08 per time performed $8,343.00
an average of $278.10 per time performed
medical
MEDICINE

Diagnostic imaging of retina

Service Code: 92134
Performed in an office
25
times performed,
0.58% of his services

20th 3rd

most performed service for this provider most performed service in this state & specialty

24
patients got this service, 2% of his patients
1
average number of visits a patient made for this service
(Peers: 2)
$3,854.50an average of $154.18 per time performed $931.50
an average of $37.26 per time performed
medical
EVALUATION AND MANAGEMENT

New patient office or other outpatient visit, typically 3... +

New patient office or other outpatient visit, typically 30 minutes ×

Service Code: 99203
Performed in an office
17
times performed,
0.4% of his services

21st 39th

most performed service for this provider most performed service in this state & specialty

17
patients got this service, 1% of his patients
1
average number of visits a patient made for this service
(Peers: 1)
$2,627.18an average of $154.54 per time performed $1,078.48
an average of $63.44 per time performed
medical
EYE

Laser repair to improve eye fluid flow, 1 or more sessions +

Laser repair to improve eye fluid flow, 1 or more sessions ×

Service Code: 65855
Performed in a facility
15
times performed,
0.35% of his services

22nd 78th

most performed service for this provider most performed service in this state & specialty

13
patients got this service, 1% of his patients
1.2
average number of visits a patient made for this service
(Peers: 1.3)
$9,858.30an average of $657.22 per time performed $3,664.05
an average of $244.27 per time performed
medical
EYE

Insertion of amniotic membrane to eye surface

Service Code: 65778
Performed in an office
14
times performed,
0.33% of his services

23rd 118th

most performed service for this provider most performed service in this state & specialty

13
patients got this service, 1% of his patients
1.1
average number of visits a patient made for this service
(Peers: 1.4)
$35,084.56an average of $2,506.04 per time performed $16,085.86
an average of $1,148.99 per time performed
medical
MEDICINE

Measurement of field of vision during daylight conditions +

Measurement of field of vision during daylight conditions ×

Service Code: 92082
Performed in an office
13
times performed,
0.3% of his services

24th 46th

most performed service for this provider most performed service in this state & specialty

13
patients got this service, 1% of his patients
1
average number of visits a patient made for this service
(Peers: 1.1)
$1,434.29an average of $110.33 per time performed $451.10
an average of $34.70 per time performed

Office Visits

Medicare reimburses office visits using a five-point scale, with five being the most intensive and costly. The chart below shows what percentage of this provider’s office visits were reimbursed at each level. A higher than average proportion of costly visits is not necessarily an indication of a problem, but it may be worth asking about.

Hover over each slice to see percentage breakdown.

Daniel H Chang
Average for Ophthalmology Providers in California

Notes: Medicare redacted this data for any services provided to fewer than 11 patients. The contact information listed above is the most current we have for this provider. The services listed on this page may have been delivered at a previous address or as part of a different practice.

Incorrect Info? If you are a provider and you believe your address is incorrect, check the listing you created on the National Provider Identifier registry. If you change your listing, send a note to [email protected] and we will update your information. If you have other questions about this data, send a note to [email protected]. Here's a link to Medicare's data on this provider.

Sources: Centers for Medicare and Medicaid Services, National Plan and Provider Enumeration System, American Medical Association

Services that begin with a letter come from CMS. All other codes and descriptions of the medical procedures are from the Current Procedural Terminology (CPT®) code set, copyright 2015 American Medical Association. All rights reserved. Where practical, AMA’s consumer friendly translation of the CPT descriptor was used. ProPublica has received permission from the AMA to use these codes on this site.

Read our methodology.