NPPES file of Aug 9, 2026

Doctors and health care providers in Martinez, CA

1,816 individual NPPES records list a practice address in Martinez, 127th of 812 California cities. The largest group is family medicine physician: 191, 11% of the city's records, against 2% across California. Page 15 of 37.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

Martinez in California

  • Rank in California127th of 812 cities by records
  • Share of the state0.2% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups23.8% of all records

Compared with California as a whole, Martinez has 32.9× the state's share of case management registered nurse records and 0.19× its share of behavior technician records.

Providers in Martinez, alphabetically

  1. Tiffany Ho, PHARMDPharmacist1003434804
  2. Amy HoangLicensed Vocational Nurse1174289847
  3. Gia Linh HoangCommunity Health Worker1154178119
  4. My Lien Hoang, PHARMDPharmacist1376163527
  5. Debralyn HodgeBehavior Technician1881106151
  6. Colleen Hoehn, RNCase Management Registered Nurse1053790261
  7. Anne Hoff, R.N.Case Management Registered Nurse1013197425
  8. Deborah Hofmeister, P.T.Physical Therapist1063572030
  9. Guenter Hofstadler, MDPediatrics Physician1235226077
  10. Jerrold Hokanson, MDPediatrics Physician1134207202
  11. Teresa HolbrookNurse Practitioner1770764730
  12. Kaitlin Hollandberry, MDFamily Medicine Physician1326453929
  13. Brian Holoyda, MD, MPH, MBAPsychiatry Physician1144588989
  14. Alex Holterman, MDStudent in an Organized Health Care Education/Training Program1205676186
  15. Walter Homberg, L.AC.Acupuncturist1063149672
  16. James Hopkins, D.O.Emergency Medical Services (Emergency Medicine) Physician1851401830
  17. Charissa Hosseini, PHDClinical Psychologist1457948861
  18. Kimberly HoustonMarriage & Family Therapist1912549783
  19. Phyllis Howard, NPFamily Nurse Practitioner1093885998
  20. Justin HowesClinical Social Worker1891195798
  21. Lanny Hsu, D.O.Pain Medicine Physician1487834560
  22. Tracy Hsu, PHARM.D.Pharmacist1346695277
  23. Cathy Huang, M.D.Pediatric Adolescent Medicine Physician1518070242
  24. Jiangshan Huang, PHARMDPharmacist1508476490
  25. Erika HuanteSpeech-Language Assistant1447047758
  26. Melissa HubiakFamily Medicine Physician1053592956
  27. Sonia HuezoLicensed Psychiatric Technician1043711286
  28. Mariah HughesBehavior Technician1346845914
  29. Fredric HuieFamily Medicine Physician1245300862
  30. Marissa HuittPsychologist1346198637
  31. Donald Hull, L.C.S.W.Clinical Social Worker1154398774
  32. Kimberly Humphrey, NPNurse Practitioner1972829521
  33. Darcie Hutson, RCPRegistered Respiratory Therapist1083188205
  34. Julie Huynh, PHARMDPharmacist1760361802
  35. Inja Hwang, MDFamily Medicine Physician1821216581
  36. Marivic IbaldezRegistered Nurse1760250211
  37. Jazmin IbarriaBehavior Technician1649846346
  38. Daniel Igawa, PHARMDPharmacist1356745095
  39. Jessica IgnontHealth & Wellness Coach1558282863
  40. Brigitte Imhof, RN, PHNCase Management Registered Nurse1801140058
  41. Hector Albert InesRehabilitation Practitioner1538953427
  42. Aaqilah IslamCase Manager/Care Coordinator1538342639
  43. Nour ItaniPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1598439036
  44. Srividya IyengarMarriage & Family Therapist1376602102
  45. Puja Iyra, MDStudent in an Organized Health Care Education/Training Program1285473017
  46. Curtis Jackson, R.A.S.Addiction (Substance Use Disorder) Counselor1013139880
  47. Eric JacksonDay Training/Habilitation Specialist1215152152
  48. Garrette JacksonRehabilitation Practitioner1811243108
  49. Laprill JacksonDay Training/Habilitation Specialist1235904178
  50. Marisol JacksonFamily Nurse Practitioner1972135119

The largest California cities

  1. Los Angeles69,537
  2. San Diego52,937
  3. San Francisco38,143
  4. Sacramento33,083
  5. San Jose20,925

All of California →

How to read this directory

Martinez, California appears in the CMS National Plan and Provider Enumeration System with 1,816 registered healthcare providers spanning 25 or more distinct NUCC-taxonomy specialties. This count includes every individual clinician who has applied for an NPI and listed a practice address in Martinez - physicians, dentists, nurse practitioners, physician assistants, chiropractors, physical therapists, optometrists, psychologists, podiatrists, and every other credentialed provider type CMS tracks. It does not measure hospital beds, urgent-care capacity, or whether a given clinic is accepting new patients; it measures the pool of professionals with current NPI enrollment and a Martinez practice location on file. Every figure is drawn from the federal National Provider Identifier Registry (CMS NPPES) - more than 7 million providers, maintained since May 2007, with 2024 Medicare Part D data, and, according to CMS, can be searched, compared, and traced in our methodology.

The provider mix in Martinez is weighted toward Family Medicine Physician (191 clinicians, followed by Pharmacist with 149 and Marriage & Family Therapist with 93). That distribution reflects how NPPES records specialty: providers self-select a primary taxonomy code, so a family physician who also practices geriatrics will show up under whichever NUCC code they registered first. Relative to California's population, Martinez reports roughly 4.7 providers per 100,000 residents using the state-level denominator, which is a rough proxy rather than a precise access-to-care measurement; the true catchment area of any {cityName} clinician extends beyond the municipal boundary.

Of California's most common specialties, Behavior Analyst is the most prominent one with no provider currently listing a Martinez practice address, a coverage gap Martinez patients typically fill by traveling to a larger nearby hub.

For Martinez patients, this directory is most useful as a starting shortlist. Important: PlainDoctor is a directory of publicly available CMS government data, not a review site, a ranking, or medical advice. NPPES data is self-reported and refreshed monthly; call the practice directly to confirm the provider is still there, accepts your insurance, and is taking new patients.

For informational purposes only; this directory is not medical advice and not a substitute for checking a license. See also: how to find a doctor and how to verify one.

Common questions

How many doctors are in Martinez, CA?

There are 1,816 registered healthcare providers in Martinez, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Martinez?

The most common specialties in Martinez are Family Medicine Physician, Pharmacist, Marriage & Family Therapist, Student in an Organized Health Care Education/Training Program, Case Management Registered Nurse. Family Medicine Physician has the most providers with 191.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov). Records are self-reported registrations, not licenses.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.