ProPublica

Journalism in the Public Interest

Cancel

Treatment Tracker

Treatment Tracker » California

California

Top Specialties

Providers are grouped by the specialty assigned to them by Medicare. This specialty may differ from their self-reported specialty linked to their National Provider Identifier, and doesn’t necessarily mean the person has special training or certification. Services shown are for Medicare Part B only.


Providers Specialty
8,552 Internal Medicine
6,141 Family Practice
3,827 Physical Therapist
3,814 Emergency Medicine
3,422 Anesthesiology
2,913 Mass Immunization Roster Biller
2,908 Chiropractic
2,763 Diagnostic Radiology
2,376 Physician Assistant
2,036 Optometry
1,976 Psychiatry
1,928 Cardiology
1,866 Orthopedic Surgery
1,822 Ophthalmology
1,746 Obstetrics/Gynecology
1,605 Nurse Practitioner
1,501 General Surgery
1,335 Podiatry
1,267 Dermatology
1,107 Clinical Psychologist
1,096 Neurology
1,031 Gastroenterology
971 General Practice
932 Pathology
755 Otolaryngology
752 Urology
747 Pulmonary Disease
661 Nephrology
657 Hematology/Oncology
578 Ambulatory Surgical Center
535 Physical Medicine and Rehabilitation
413 Licensed Clinical Social Worker
412 Endocrinology
394 Radiation Oncology
391 Infectious Disease
384 Rheumatology
376 CRNA
374 Neurosurgery
347 Independent Diagnostic Testing Facility
346 Plastic and Reconstructive Surgery
323 Ambulance Service Supplier
323 Audiologist (billing independently)
307 Occupational therapist
284 Allergy/Immunology
253 Clinical Laboratory
209 Vascular Surgery
158 Medical Oncology
156 Thoracic Surgery
151 Cardiac Surgery
147 Interventional Pain Management
146 Critical Care (Intensivists)
144 Pediatric Medicine
140 Interventional Radiology
119 Geriatric Medicine
115 Registered Dietician/Nutrition Professional
103 Pain Management
92 Nuclear Medicine
91 Psychologist (billing independently)
85 Colorectal Surgery (formerly proctology)
82 Hand Surgery
71 Hematology
65 Oral Surgery (dentists only)
63 Surgical Oncology
62 Gynecological/Oncology
59 Osteopathic Manipulative Medicine
58 Cardiac Electrophysiology
48 Preventive Medicine
27 Portable X-ray
24 Geriatric Psychiatry
23 Maxillofacial Surgery
21 Speech Language Pathologist
19 All Other Suppliers
18 Certified Clinical Nurse Specialist
17 Sports Medicine
12 Slide Preparation Facility
11 Hospice and Palliative Care
9 Addiction Medicine
9 Multispecialty Clinic/Group Practice
6 Peripheral Vascular Disease
6 Unknown Physician Specialty Code
4 Neuropsychiatry
3 Certified Nurse Midwife
3 Unknown Supplier/Provider
2 Pharmacy
2 Sleep Medicine
2 Mammographic Screening Center
1 Public Health Welfare Agency

Top Services (or Units)

These are the top 35 services (or units, i.e. drug infusions, ambulance miles) performed by providers in this state. Some services can be billed multiple times per patient on the same day and are not necessarily a count of visits.



Service Times Performed Medicare Payments
TRANSPORTATION SERVICES
Ground mileage, per statute mile
Service Code: A0425
9,797,477 $59.7M
EVALUATION AND MANAGEMENT
Established patient office or other outpatient ...
Service Code: 99213
9,529,265 $507M
TEMPORARY CODES
Low osmolar contrast material, 300-399 mg/ml io...
Service Code: Q9967
8,526,990 $0
PATHOLOGY AND LABORATORY
Travel allowance one way in connection with med...
Service Code: P9603
8,022,803 $502K
EVALUATION AND MANAGEMENT
Established patient office or other outpatient,...
Service Code: 99214
7,079,914 $560M
DRUGS
Injection, darbepoetin alfa, 1 microgram (non-e...
Service Code: J0881
6,459,360 $19.2M
CARDIOVASCULAR SYSTEM
Insertion of needle into vein for collection of...
Service Code: 36415
5,050,537 $15.2M
MEDICINE
Therapeutic exercise to develop strength, endur...
Service Code: 97110
4,802,493 $115M
EVALUATION AND MANAGEMENT
Subsequent hospital inpatient care, typically 2...
Service Code: 99232
4,123,185 $239M
PATHOLOGY AND LABORATORY
Complete blood cell count (red cells, white blo...
Service Code: 85025
2,977,833 $32.8M
MEDICINE
Manual (physical) therapy techniques to 1 or mo...
Service Code: 97140
2,968,012 $65M
TEMPORARY CODES
Injection, ferumoxytol, for treatment of iron d...
Service Code: Q0138
2,704,377 $2.43M
PATHOLOGY AND LABORATORY
Blood test, comprehensive group of blood chemicals
Service Code: 80053
2,614,043 $31.2M
DRUGS
Injection, epoetin alfa, (for non-end-stage ren...
Service Code: J0885
2,540,352 $20.3M
EVALUATION AND MANAGEMENT
Subsequent hospital inpatient care, typically 3...
Service Code: 99233
2,505,613 $209M
PATHOLOGY AND LABORATORY
Pathology examination of tissue using a microsc...
Service Code: 88305
1,867,680 $105M
DRUGS
Injection, denosumab (prolia, xgeva), 1 mg
Service Code: J0897
1,844,168 $20.5M
PATHOLOGY AND LABORATORY
Blood test, lipids (cholesterol and triglycerides)
Service Code: 80061
1,838,919 $26.4M
SKIN, HAIR AND NAILS
Destruction of 2-14 skin growths
Service Code: 17003
1,819,323 $10.8M
RADIOLOGY
X-ray of chest, 1 view, front
Service Code: 71010
1,778,725 $13.4M
PATHOLOGY AND LABORATORY
Opiates (drug) measurement
Service Code: 83925
1,764,529 $47.7M
DRUGS
Injection, dexamethasone sodium phosphate, 1mg
Service Code: J1100
1,650,655 $0
DRUGS
Injection, onabotulinumtoxina (botox), 1 unit
Service Code: J0585
1,465,340 $5.86M
PATHOLOGY AND LABORATORY
Blood test, thyroid stimulating hormone (tsh)
Service Code: 84443
1,441,763 $34.6M
MEDICINE
Routine electrocardiogram (ekg) using at least ...
Service Code: 93010
1,393,777 $9.77M
EVALUATION AND MANAGEMENT
Established patient office or other outpatient ...
Service Code: 99212
1,348,099 $43.4M
PATHOLOGY AND LABORATORY
Blood test, clotting time
Service Code: 85610
1,323,603 $7.88M
DRUGS
Injection, heparin sodium, (heparin lock flush)...
Service Code: J1642
1,232,114 $0
PATHOLOGY AND LABORATORY
Mass spectrometry (laboratory testing method)
Service Code: 83789
1,134,710 $29.5M
PATHOLOGY AND LABORATORY
Hemoglobin a1c level
Service Code: 83036
1,112,515 $15.5M
DRUGS
Injection, fosaprepitant (emend), 1 mg
Service Code: J1453
1,064,500 $1.06M
DRUGS
Injection, iron sucrose, 1 mg
Service Code: J1756
1,035,881 $0
MEDICINE
Therapeutic activities to improve function, wit...
Service Code: 97530
1,029,240 $27.9M
EVALUATION AND MANAGEMENT
Initial hospital inpatient care, typically 70 m...
Service Code: 99223
1,015,963 $163M
PROCEDURES
Administration of influenza virus vaccine
Service Code: G0008
1,013,748 $23.6M

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 2013 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.