STATE DIRECTORY
CA
Medicare provider directory for CA — top providers by volume and top specialties.
Total providers
177,585
Total beneficiaries
34,155,154
Total Medicare payment
$15.52B
TOP SPECIALTIES IN CA
Nurse Practitioner18,403 providersDentist16,957 providersInternal Medicine16,578 providersFamily Practice13,887 providersPhysician Assistant12,177 providersPhysical Therapist in Private Practice6,864 providersEmergency Medicine6,249 providersPharmacist5,370 providersStudent in an Organized Health Care Education/Training Program5,042 providersAnesthesiology4,868 providersOptometry3,911 providersObstetrics & Gynecology3,775 providersDiagnostic Radiology3,577 providersPsychiatry3,254 providersPsychiatry & Neurology2,615 providers
TOP PROVIDERS BY MEDICARE PAYMENT
| Provider | NPI | Specialty | City | Beneficiaries | Medicare payment |
|---|---|---|---|---|---|
| Guardant Health, Inc. | 1184045619 | Clinical Laboratory | Redwood City | 38,402 | $209.6M |
| Natera, Inc. | 1558672279 | Clinical Laboratory | San Carlos | 29,417 | $195.6M |
| Aaron JengMD, MPH | 1003053851 | Internal Medicine | San Gabriel | 839 | $123.0M |
| Caredx Inc. | 1689607384 | Clinical Laboratory | Brisbane | 15,026 | $120.6M |
| Irhythm Technologies, Inc. | 1710130539 | Independent Diagnostic Testing Facility (IDTF) | San Francisco | 387,224 | $111.0M |
| Cardionet, Llc. | 1427320399 | Independent Diagnostic Testing Facility (IDTF) | Pleasanton | 128,634 | $99.8M |
| Veracyte Labs Sd Corporation | 1770833121 | Clinical Laboratory | San Diego | 24,889 | $99.1M |
| Unilab Corporation | 1366479099 | Clinical Laboratory | West Hills | 604,613 | $95.9M |
| Genomic Health, Inc. | 1215003603 | Clinical Laboratory | Redwood City | 24,640 | $95.7M |
| Ravi KapadiaMD | 1669736427 | General Surgery | Bakersfield | 113 | $77.3M |
| Laboratory Corporation Of America | 1659352276 | Clinical Laboratory | San Diego | 481,181 | $66.7M |
| Ambry Genetics Corporation | 1861568784 | Clinical Laboratory | Aliso Viejo | 30,047 | $52.8M |
| Unilab Corporation | 1619913449 | Clinical Laboratory | Sacramento | 316,275 | $47.4M |
| Neogenomics Laboratories Inc | 1447437355 | Clinical Laboratory | Aliso Viejo | 55,066 | $44.6M |
| Phillip MyersPA-C | 1518111426 | Physician Assistant | Visalia | 306 | $42.6M |
| Kelly PowellDO | 1821442666 | General Practice | Grass Valley | 67 | $42.1M |
| Veracyte, Inc. | 1134438427 | Clinical Laboratory | South San Francisco | 17,334 | $41.1M |
| Biotheranostics, Inc. | 1043344435 | Clinical Laboratory | San Diego | 10,710 | $40.4M |
| Invitae Corporation | 1316206220 | Clinical Laboratory | San Francisco | 24,060 | $38.9M |
| Andrea VasquezNP | 1700341427 | Nurse Practitioner | Cerritos | 23 | $35.6M |
| Mdxhealth, Inc. | 1720359698 | Clinical Laboratory | Irvine | 12,715 | $30.5M |
| Catherine LeeM.D. | 1992821797 | Dermatology | Corona Del Mar | 581 | $27.3M |
| Mohammed HassanDPM | 1679001564 | Podiatry | Whittier | 516 | $27.0M |
| Caremark, L.L.C. | 1013998921 | Pharmacy | Redlands | 64 | $25.5M |
| Jack AzadM.D. | 1841489440 | General Practice | Los Angeles | 2,020 | $25.0M |
| Thomas RambacherDPM | 1295791838 | Podiatry | Mission Viejo | 392 | $22.7M |
| Ravindra GautamM.D. | 1891791703 | Internal Medicine | Barstow | 610 | $22.7M |
| Nicole Castillo | 1245934967 | Physician Assistant | Pomona | 176 | $22.6M |
| Chibuikem OkoroPA | 1902544240 | Physician Assistant | Temecula | 176 | $22.3M |
| Qais AyoubyMD | 1154884351 | Internal Medicine | Corona | 1,693 | $22.2M |
| Babak HajhosseiniM.D. | 1558621003 | General Surgery | Los Angeles | 70 | $22.0M |
| Vinh-Linh NguyenMD | 1285603639 | Hematology-Oncology | Bakersfield | 543 | $21.5M |
| Robert Goldberg | 1275995649 | Family Practice | Pasadena | 158 | $21.3M |
| Mdinr, Llc | 1336420140 | Independent Diagnostic Testing Facility (IDTF) | San Jose | 35,259 | $21.2M |
| Jamison FeramiscoMD, PHD | 1043410871 | Dermatology | San Diego | 2,736 | $20.5M |
| Som KohanzadehMD | 1952575342 | Plastic and Reconstructive Surgery | Beverly Hills | 386 | $20.4M |
| Millennium Health, Llc | 1497933162 | Clinical Laboratory | San Diego | 47,331 | $20.2M |
| Reach Air Medical Services Llc | 1134169535 | Ambulance Service Provider | Brawley | 2,840 | $20.2M |
| Falck Mobile Health Corp | 1639131436 | Ambulance Service Provider | Orange | 26,660 | $19.7M |
| Labcorp Genetics Inc | 1518713072 | Clinical Laboratory | San Francisco | 11,207 | $18.9M |
| City Of Los Angeles | 1083789564 | Ambulance Service Provider | Los Angeles | 25,960 | $18.5M |
| Richard ParkM.D. | 1174718134 | Internal Medicine | Granada Hills | 4,426 | $18.0M |
| Michael SedrakMD | 1750464111 | General Surgery | Corona | 84 | $17.8M |
| Alere Home Monitoring, Inc. | 1760418370 | Independent Diagnostic Testing Facility (IDTF) | Livermore | 46,332 | $17.8M |
| Bdx Solutions, Inc. | 1912683814 | Independent Diagnostic Testing Facility (IDTF) | Milpitas | 70,423 | $17.4M |
| Red Chip Of Nevada | 1356746267 | Pharmacy | Irvine | 39 | $17.0M |
| Khosrow MehranyM.D. | 1235123142 | Micrographic Dermatologic Surgery | Modesto | 1,001 | $16.9M |
| Melea FutrellPA-C | 1528210333 | Physician Assistant | Marina Del Rey | 399 | $16.6M |
| Mark TranM.D. | 1205098696 | Dermatology | Corona Del Mar | 535 | $16.4M |
| Vital Connect, Inc | 1407471550 | Independent Diagnostic Testing Facility (IDTF) | Pasadena | 27,687 | $16.1M |