NPPES file of Aug 9, 2026

Doctors and health care providers in Tracy, CA

1,864 individual NPPES records list a practice address in Tracy, 120th of 812 California cities. The largest group is behavior technician: 1,009, 54% of the city's records, against 18% across California. Page 21 of 38.

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

The 8 largest groups in Tracy

Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.

Tracy in California

  • Rank in California120th of 812 cities by records
  • Share of the state0.2% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups60.9% of all records

Compared with California as a whole, Tracy has 3.1× the state's share of behavior technician records and 0.30× its share of marriage & family therapist records.

Providers in Tracy, alphabetically

  1. Toni MarquezBehavior Technician1619797602
  2. Donald Marram, D.P.MFoot Surgery Podiatrist1467493635
  3. Ariana MarshBehavior Analyst1306333877
  4. Joseph Marshall, M.D.Diagnostic Radiology Physician1750341483
  5. Brittany MartinBehavior Technician1750875779
  6. Bryanna MartinBehavior Technician1730682931
  7. Chazlyn MartinBehavior Technician1982527909
  8. Cherrise MartinBehavior Technician1043713241
  9. Lierin MartinBehavior Technician1215400700
  10. Ahahi MartinezBehavior Technician1396362372
  11. Amanda MartinezGeneral Practice Dentistry1780418988
  12. Analleli MartinezBehavior Technician1952804155
  13. Daisy MartinezBehavior Technician1396549747
  14. Dallely MartinezBehavior Technician1740934744
  15. Gabriella MartinezBehavior Technician1982360749
  16. Jacqueline MartinezBehavior Technician1952804148
  17. Jocelyn MartinezBehavior Technician1467279695
  18. Liana Martinez, EMTPersonal Emergency Response Attendant1942887245
  19. Madeline MartinezBehavior Technician1073221636
  20. Nastasia MartinezBehavior Technician1053069955
  21. Sarah MartinezBehavior Technician1285125344
  22. Sirsey Martinez, MA, MFTMarriage & Family Therapist1194966333
  23. Jazmin Martinez HuertaBehavior Technician1285442426
  24. Diego Martinez NunezBehavior Technician1659835890
  25. Jose Martinez NunezBehavior Technician1760958128
  26. Joannali MarzanBehavior Technician1184595365
  27. Marry MasangcayBehavior Technician1528895877
  28. Nadia MashrahBehavior Technician1427863133
  29. John Mast, MDSurgery Physician1508807561
  30. Rachel MastonFamily Nurse Practitioner1114318110
  31. Pristina MataafaBehavior Technician1487539086
  32. Arianna Matos PinedaBehavior Technician1073353413
  33. Lance Matsune, D.D.S.General Practice Dentistry1700902863
  34. Reny MatthewPharmacist1396153474
  35. Shannon MayfieldBehavior Technician1164925756
  36. Jeweline MaynorBehavior Technician1295552826
  37. Kyra McAlaryBehavior Technician1396376547
  38. Donovan McCallBehavior Technician1598233538
  39. Tammi McComak, FNPFamily Nurse Practitioner1679553804
  40. Karen McCraryMarriage & Family Therapist1184268443
  41. Kristine McCulleyBehavior Technician1710572847
  42. Herminia McGrawBehavior Technician1891572285
  43. Cassandra McGroartyBehavior Technician1477143501
  44. Daniel McIlrathBehavior Technician1144007535
  45. Sheerica McKenzieBehavior Technician1306517339
  46. Daniel McKim, P.A.Medical Physician Assistant1346210754
  47. Lascenaria McLaneBehavior Technician1508601170
  48. Thomas McNemar, M.D.Plastic and Reconstructive Surgery Physician1982608683
  49. Miesha McNielBehavior Technician1720864697
  50. Kahla McPartlandBehavior Technician1134821648

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

Tracy, California appears in the CMS National Plan and Provider Enumeration System with 1,864 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 Tracy - 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 Tracy 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 Tracy is weighted toward Behavior Technician (1,009 clinicians, followed by Pharmacist with 83 and General Practice Dentistry with 43). 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, Tracy reports roughly 4.8 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, Student in an Organized Health Care Education/Training Program is the most prominent one with no provider currently listing a Tracy practice address, a coverage gap Tracy patients typically fill by traveling to a larger nearby hub.

For Tracy 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 Tracy, CA?

There are 1,864 registered healthcare providers in Tracy, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Tracy?

The most common specialties in Tracy are Behavior Technician, Pharmacist, General Practice Dentistry, Family Medicine Physician, Marriage & Family Therapist. Behavior Technician has the most providers with 1,009.

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.