Treatment Tracker
The Doctors and Services in Medicare Part B
This database was last updated in December 2017. It should only be used as a historical snapshot. More recent data is available via the Centers for Medicare and Medicaid Services’ lookup tool.
Charles S. Zwerling M.D.
Goldsboro, N.C., 27534
This Provider: At A Glance
We aren’t showing our typical comparisons because this provider had an address in a different state in 2015.
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
(18 were redacted as they were performed on less than 11 patients)
Show Only:
CATEGORYDescription of Service |
Times Performed (or Units) | This Service's Rank | Patients | Unique Visits Per Patient |
Billed to Medicare | Payments from Medicare |
|---|---|---|---|---|---|---|
MEDICINEEye and medical examination for diagnosis and treatment, ... + Eye and medical examination for diagnosis and treatment, established patient, 1 or more visits × Service Code: 92014Performed in an office |
2,127 times performed, 19% of his services |
1st
most performed service for this provider 5 or fewer providers in this specialty in NC perform this service |
869 patients got this service, 82% of his patients |
2.4 average number of visits a patient made for this service |
$499,759.92an average of $234.96 per time performed |
$190,706.82 an average of $89.66 per time performed |
MEDICINEService Code: 92134Performed in an office |
2,054 times performed, 18% of his services |
2nd
most performed service for this provider 5 or fewer providers in this specialty in NC perform this service |
882 patients got this service, 83% of his patients |
2.3 average number of visits a patient made for this service |
$811,330.00an average of $395.00 per time performed |
$56,341.22 an average of $27.43 per time performed |
MEDICINEMeasurement of field of vision during daylight conditions + Measurement of field of vision during daylight conditions × Service Code: 92083Performed in an office |
2,050 times performed, 18% of his services |
3rd
most performed service for this provider 5 or fewer providers in this specialty in NC perform this service |
880 patients got this service, 83% of his patients |
2.3 average number of visits a patient made for this service |
$327,897.50an average of $159.95 per time performed |
$84,111.50 an average of $41.03 per time performed |
MEDICINEMeasurement and recording of nerve conduction patterns us... + Measurement and recording of nerve conduction patterns using visually-evoked stimulation × Service Code: 95930Performed in an office |
1,022 times performed, 9% of his services |
4th
most performed service for this provider 5 or fewer providers in this specialty in NC perform this service |
682 patients got this service, 64% of his patients |
1.5 average number of visits a patient made for this service |
$270,635.82an average of $264.81 per time performed |
$96,906.04 an average of $94.82 per time performed |
MEDICINERecording of retinal electrical responses to external sti... + Recording of retinal electrical responses to external stimuli × Service Code: 92275Performed in an office |
863 times performed, 8% of his services |
5th
most performed service for this provider 5 or fewer providers in this specialty in NC perform this service |
663 patients got this service, 62% of his patients |
1.3 average number of visits a patient made for this service |
$228,634.59an average of $264.93 per time performed |
$94,153.30 an average of $109.10 per time performed |
MEDICINEMicroscopic evaluation of deep cells of the eye Service Code: 92286Performed in an office |
781 times performed, 7% of his services |
6th
most performed service for this provider 5 or fewer providers in this specialty in NC perform this service |
727 patients got this service, 68% of his patients |
1.1 average number of visits a patient made for this service |
$214,345.45an average of $274.45 per time performed |
$16,932.08 an average of $21.68 per time performed |
MEDICINEExamination of retinal blood vessels by ophthalmoscope Service Code: 92235Performed in an office |
546 times performed, 5% of his services |
7th
most performed service for this provider 5 or fewer providers in this specialty in NC perform this service |
375 patients got this service, 35% of his patients |
1 average number of visits a patient made for this service |
$139,650.42an average of $255.77 per time performed |
$41,932.80 an average of $76.80 per time performed |
EYEPreventive retinal detachment treatment by heat or laser,... + Preventive retinal detachment treatment by heat or laser, 1 or more sessions × Service Code: 67145Performed in an office |
452 times performed, 4% of his services |
8th
most performed service for this provider 5 or fewer providers in this specialty in NC perform this service |
226 patients got this service, 21% of his patients |
2 average number of visits a patient made for this service |
$714,725.00an average of $1,581.25 per time performed |
$180,334.44 an average of $398.97 per time performed |
MEDICINEService Code: 92250Performed in an office |
438 times performed, 4% of his services |
9th
most performed service for this provider 5 or fewer providers in this specialty in NC perform this service |
414 patients got this service, 39% of his patients |
1.1 average number of visits a patient made for this service |
$54,750.00an average of $125.00 per time performed |
$22,451.88 an average of $51.26 per time performed |
MEDICINEExamination of cornea and iris using lens device and slit... + Examination of cornea and iris using lens device and slit lamp × Service Code: 92020Performed in an office |
303 times performed, 3% of his services |
10th
most performed service for this provider 5 or fewer providers in this specialty in NC perform this service |
302 patients got this service, 28% of his patients |
1 average number of visits a patient made for this service |
$22,019.01an average of $72.67 per time performed |
$5,311.59 an average of $17.53 per time performed |
EVALUATION AND MANAGEMENTSubsequent nursing facility visit, typically 25 minutes p... + Subsequent nursing facility visit, typically 25 minutes per day × Service Code: 99309Performed in an office |
161 times performed, 1% of his services |
11th
most performed service for this provider 5 or fewer providers in this specialty in NC perform this service |
124 patients got this service, 12% of his patients |
1.3 average number of visits a patient made for this service |
$16,100.00an average of $100.00 per time performed |
$6,897.24 an average of $42.84 per time performed |
MEDICINEEye and medical examination for diagnosis and treatment, ... + Eye and medical examination for diagnosis and treatment, new patient, 1 or more visits × Service Code: 92004Performed in an office |
93 times performed, 0.83% of his services |
12th
most performed service for this provider 5 or fewer providers in this specialty in NC perform this service |
93 patients got this service, 9% of his patients |
1 average number of visits a patient made for this service |
$21,844.77an average of $234.89 per time performed |
$10,230.93 an average of $110.01 per time performed |
MEDICINEDiagnostic imaging of optic nerve of eye Service Code: 92133Performed in an office |
92 times performed, 0.82% of his services |
13th
most performed service for this provider 5 or fewer providers in this specialty in NC perform this service |
86 patients got this service, 8% of his patients |
1.1 average number of visits a patient made for this service |
$36,340.00an average of $395.00 per time performed |
$2,444.44 an average of $26.57 per time performed |
MEDICINEEye and medical examination for diagnosis and treatment, ... + Eye and medical examination for diagnosis and treatment, established patient × Service Code: 92012Performed in an office |
77 times performed, 0.68% of his services |
14th
most performed service for this provider 5 or fewer providers in this specialty in NC perform this service |
59 patients got this service, 6% of his patients |
1.3 average number of visits a patient made for this service |
$10,395.00an average of $135.00 per time performed |
$4,933.39 an average of $64.07 per time performed |
EVALUATION AND MANAGEMENTEstablished patient office or other outpatient, visit typ... + Established patient office or other outpatient, visit typically 25 minutes × Service Code: 99214Performed in an office |
45 times performed, 0.4% of his services |
15th
most performed service for this provider 5 or fewer providers in this specialty in NC perform this service |
41 patients got this service, 4% of his patients |
1.1 average number of visits a patient made for this service |
$7,200.00an average of $160.00 per time performed |
$3,451.05 an average of $76.69 per time performed |
RADIOLOGYUltrasound of corneal structure and measurement Service Code: 76514Performed in an office |
33 times performed, 0.29% of his services |
16th
most performed service for this provider 5 or fewer providers in this specialty in NC perform this service |
33 patients got this service, 3% of his patients |
1 average number of visits a patient made for this service |
$1,599.84an average of $48.48 per time performed |
$312.51 an average of $9.47 per time performed |
RADIOLOGYUltrasound of eye tissue and structures Service Code: 76510Performed in an office |
23 times performed, 0.2% of his services |
17th
most performed service for this provider 5 or fewer providers in this specialty in NC perform this service |
23 patients got this service, 2% of his patients |
1 average number of visits a patient made for this service |
$8,050.00an average of $350.00 per time performed |
$2,708.94 an average of $117.78 per time performed |
RADIOLOGYUltrasound of eye for determination of lens power Service Code: 76519Performed in an office |
15 times performed, 0.13% of his services |
18th
most performed service for this provider 5 or fewer providers in this specialty in NC perform this service |
15 patients got this service, 1% of his patients |
1 average number of visits a patient made for this service |
$4,875.00an average of $325.00 per time performed |
$913.95 an average of $60.93 per time performed |
EYERemoval of cataract with insertion of lens Service Code: 66984Performed in a facility |
15 times performed, 0.13% of his services |
19th
most performed service for this provider 5 or fewer providers in this specialty in NC perform this service |
14 patients got this service, 1% of his patients |
1.1 average number of visits a patient made for this service |
$50,784.00an average of $3,385.60 per time performed |
$5,601.45 an average of $373.43 per time performed |
EYERemoval of foreign body, external eye, cornea with slit l... + Removal of foreign body, external eye, cornea with slit lamp examination × Service Code: 65222Performed in an office |
12 times performed, 0.11% of his services |
20th
most performed service for this provider 5 or fewer providers in this specialty in NC perform this service |
12 patients got this service, 1% of his patients |
1 average number of visits a patient made for this service |
$2,700.00an average of $225.00 per time performed |
$559.68 an average of $46.64 per time performed |
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 checkup@propublica.org and we will update your information. If you have other questions about this data, send a note to checkup@propublica.org. 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.