NPPES file of Aug 9, 2026

Doctors and health care providers in Newark, CA

698 individual NPPES records list a practice address in Newark, 243rd of 812 California cities. The largest group is behavior technician: 352, 50% of the city's records, against 18% across California. Page 11 of 14.

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

The 8 largest groups in Newark

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

Newark in California

  • Rank in California243rd of 812 cities by records
  • Share of the state<0.1% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups68.8% of all records

Compared with California as a whole, Newark has 5× the state's share of addiction (substance use disorder) counselor records and 0.56× its share of pharmacist records.

Providers in Newark, alphabetically

  1. Kristoffer QuezadaBehavior Technician1033847348
  2. Moses QuianzonBehavior Technician1891422069
  3. Jocelyn Quintero AndradeBehavior Technician1679211031
  4. Khalil Rahmany, PHDClinical Psychologist1780729236
  5. Kiana RajBehavior Technician1134877004
  6. Fareeda RajaballyGeneral Practice Dentistry1942227590
  7. Mohamad Rajabally, DDSGeneral Practice Dentistry1952328502
  8. Nikhil RamgiriBehavior Technician1952071185
  9. Erin RamirezBehavior Technician1407628985
  10. Norma Ramirez, O.D.Optometrist1053464719
  11. Sara RamirezBehavior Technician1013876788
  12. Sonia RamirezBehavior Technician1114766250
  13. Ashley Ramirez OrtizBehavior Technician1609723444
  14. Swethasree RamiyaBehavior Technician1467340869
  15. Rayna Gabrielle RamosBehavior Technician1154007870
  16. Jessica RangerBehavior Technician1578235545
  17. Emily RasmussenBehavior Technician1477252989
  18. Guadalupe Razo DiazBehavior Technician1598531014
  19. Kwan ReagonAddiction (Substance Use Disorder) Counselor1053635706
  20. Heather ReedAddiction (Substance Use Disorder) Counselor1659170306
  21. Amy ReeseCounseling Psychologist1790807204
  22. Ember ReeseBehavior Technician1194692699
  23. Angela Reyes, NPFamily Nurse Practitioner1033825880
  24. Denice ReyesBehavior Analyst1285136689
  25. Valerie ReyesBehavior Technician1386322295
  26. Ihriel Reyes-OronaBehavior Technician1548961741
  27. Lacey ReynosaBehavior Technician1841933918
  28. Sharon RheeBehavior Technician1962289157
  29. Alena RiceBehavior Technician1508619008
  30. Tamara RiddleAddiction (Substance Use Disorder) Counselor1992037808
  31. Sandra Rivera VelaBehavior Technician1639026412
  32. Quanderius RobinsonBehavior Technician1770223315
  33. Jose Robles, SUDRCAddiction (Substance Use Disorder) Counselor1487594115
  34. Nora RochaAddiction (Substance Use Disorder) Counselor1871704197
  35. Ron RochaAddiction (Substance Use Disorder) Counselor1992916274
  36. Zayra RochaBehavior Technician1275395709
  37. Larisa RodriguezBehavior Technician1164192787
  38. Leonardo RodriguezAddiction (Substance Use Disorder) Counselor1639345614
  39. Bernardita Roe, NPAdult Health Nurse Practitioner1912268145
  40. Jimmy RogersAddiction (Substance Use Disorder) Counselor1952512360
  41. Grace RojasBehavior Technician1922883636
  42. Cyles RojoAddiction (Substance Use Disorder) Counselor1205201761
  43. Leticia Rosas VeraBehavior Analyst1922509934
  44. Natasha RossBehavior Technician1023830627
  45. Viridiana RuizBehavior Analyst1295587475
  46. Norla SaephanBehavior Technician1316775679
  47. Laura SahagunAssistant Behavior Analyst1992566814
  48. Anna Sales, D.M.D.General Practice Dentistry1528114063
  49. Alexandria SamsonBehavior Technician1407783475
  50. Samuel Samson, NPFamily Nurse Practitioner1689387045

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

Newark, California appears in the CMS National Plan and Provider Enumeration System with 698 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 Newark - 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 Newark 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 Newark is weighted toward Behavior Technician (352 clinicians, followed by Addiction (Substance Use Disorder) Counselor with 100 and General Practice Dentistry with 28). 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, Newark reports roughly 1.8 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, Mental Health Counselor is the most prominent one with no provider currently listing a Newark practice address, a coverage gap Newark patients typically fill by traveling to a larger nearby hub.

For Newark 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 Newark, CA?

There are 698 registered healthcare providers in Newark, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Newark?

The most common specialties in Newark are Behavior Technician, Addiction (Substance Use Disorder) Counselor, General Practice Dentistry, Behavior Analyst, Dentist. Behavior Technician has the most providers with 352.

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.