NPPES file of Aug 9, 2026

Doctors and health care providers in Harlingen, TX

2,419 individual NPPES records list a practice address in Harlingen, 31st of 694 Texas cities. The largest group is licensed vocational nurse: 299, 12% of the city's records, against 2% across Texas. Page 31 of 49.

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

The 8 largest groups in Harlingen

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

Harlingen in Texas

  • Rank in Texas31st of 694 cities by records
  • Share of the state0.6% of Texas's records
  • Specialties present25 or more taxonomy codes
  • Top three groups24.8% of all records
  • Licensed Vocational Nurse rank4th of the 10 Texas cities with the most

Compared with Texas as a whole, Harlingen has 26.9× the state's share of ambulatory care registered nurse records and 0.47× its share of clinical social worker records.

Providers in Harlingen, alphabetically

  1. Valerie Neeley, MSN, APRN, CPNP-ACCritical Care Pediatric Nurse Practitioner1578242319
  2. Yolanda Negrete, FNP-CFamily Nurse Practitioner1720733116
  3. Harsha Nelakuditi, M.D.Student in an Organized Health Care Education/Training Program1407645393
  4. Hyun-Ju Nelson, MDAnesthesiology Physician1225052178
  5. Marcia Nelson-CedilloClinical Social Worker1154820470
  6. Christopher Nerio, MDPsychiatry Physician1659075653
  7. William Neumann, M.D.Anatomic Pathology & Clinical Pathology Physician1487960969
  8. Jim Nguyen, RPHPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1699442111
  9. Johnny Nguyen, MDStudent in an Organized Health Care Education/Training Program1942060165
  10. Lauren Nguyen, MDDiagnostic Radiology Physician1205827235
  11. Lucia Nguyen, MDTrauma Surgery Physician1316393440
  12. Nghia Nguyen, DOGastroenterology Physician1538725890
  13. Phuong Nguyen, RPHPharmacist1720384399
  14. Cally Nlemchy, PHARMDPharmacist1811218399
  15. Luis Noriega, LVNLicensed Vocational Nurse1316424641
  16. Cynthia Ntiejumokwu, RNRegistered Nurse1245717982
  17. David Nunez, DDS, MSOral and Maxillofacial Pathology Dentistry1730163585
  18. Leah Nunez, PHARMDPsychiatric Pharmacist1013902519
  19. Maricela NunezLicensed Vocational Nurse1073091724
  20. Eugene Nunnery, M.D.Rheumatology Physician1518966225
  21. Olga O'Connell, M.A., CCC/SLPSpeech-Language Pathologist1417056383
  22. Brian O'Donnell, M.D.Family Medicine Physician1104825678
  23. Janet O'Neill, LVNLicensed Vocational Nurse1578040812
  24. Clatus ObinwannePsychiatric/Mental Health Nurse Practitioner1457133373
  25. Hector Ochoa, CRNACertified Registered Nurse Anesthetist1205645181
  26. Mark Ochoa, COTAOccupational Therapy Assistant1861162133
  27. Myra Ochoa, M.S.Speech-Language Pathologist1205167939
  28. Ricardo Ochoa, MDFamily Medicine Physician1841270865
  29. Bright Odei, M.D.Family Medicine Physician1023423308
  30. Elise Odom, R.D.ADental Assistant1194256115
  31. Andrew Okafor, MDEmergency Medical Services (Emergency Medicine) Physician1932193745
  32. Ogonnaya Okoroji, RNRegistered Nurse1093292757
  33. Rafael Olacio, PA-CMedical Physician Assistant1982915971
  34. Juan Oliva, RNRegistered Nurse1851878193
  35. Veronica Olivares, RNRegistered Nurse1093510927
  36. Victoria Olivares, DMDGeneral Practice Dentistry1558252213
  37. Danielle OlivarezBehavior Technician1326869751
  38. Erika Olivarez, LMSWSocial Worker1003484460
  39. Erika OlivarezOccupational Therapist1235083718
  40. Julio Olmeda, APRNFamily Nurse Practitioner1326356692
  41. Christopher Olson, M.D.Orthopaedic Surgery Physician1639118813
  42. Nnenna OlubajoPsychiatric/Mental Health Nurse Practitioner1326581802
  43. Monica Olvera LopezInternal Medicine Physician1518761899
  44. Brooke Omick, ODOptometrist1649998741
  45. John Oncale, RPHPharmacist1699099747
  46. Jaime Ontiveros, PTAPhysical Therapy Assistant1710598917
  47. Edward Oorjitham, MDFamily Medicine Physician1104803360
  48. Marcio Orellana, PHARMDPharmacist1124621917
  49. Jorel Orgas, RNRegistered Nurse1801373147
  50. Aracelia Ortega, LVNLicensed Vocational Nurse1790262038

The largest Texas cities

  1. Houston61,221
  2. San Antonio37,749
  3. Dallas36,304
  4. Austin26,585
  5. Fort Worth15,511

All of Texas →

How to read this directory

Harlingen, Texas appears in the CMS National Plan and Provider Enumeration System with 2,419 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 Harlingen - 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 Harlingen 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 Harlingen is weighted toward Licensed Vocational Nurse (299 clinicians, followed by Registered Nurse with 186 and Student in an Organized Health Care Education/Training Program with 115). 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 Texas's population, Harlingen reports roughly 7.9 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.

For Harlingen 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 Harlingen, TX?

There are 2,419 registered healthcare providers in Harlingen, TX, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Harlingen?

The most common specialties in Harlingen are Licensed Vocational Nurse, Registered Nurse, Student in an Organized Health Care Education/Training Program, Behavior Technician, Family Nurse Practitioner. Licensed Vocational Nurse has the most providers with 299.

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.