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.
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
- Valerie Neeley, MSN, APRN, CPNP-ACCritical Care Pediatric Nurse Practitioner1578242319
- Yolanda Negrete, FNP-CFamily Nurse Practitioner1720733116
- Harsha Nelakuditi, M.D.Student in an Organized Health Care Education/Training Program1407645393
- Hyun-Ju Nelson, MDAnesthesiology Physician1225052178
- Marcia Nelson-CedilloClinical Social Worker1154820470
- Christopher Nerio, MDPsychiatry Physician1659075653
- William Neumann, M.D.Anatomic Pathology & Clinical Pathology Physician1487960969
- Jim Nguyen, RPHPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1699442111
- Johnny Nguyen, MDStudent in an Organized Health Care Education/Training Program1942060165
- Lauren Nguyen, MDDiagnostic Radiology Physician1205827235
- Lucia Nguyen, MDTrauma Surgery Physician1316393440
- Nghia Nguyen, DOGastroenterology Physician1538725890
- Phuong Nguyen, RPHPharmacist1720384399
- Cally Nlemchy, PHARMDPharmacist1811218399
- Luis Noriega, LVNLicensed Vocational Nurse1316424641
- Cynthia Ntiejumokwu, RNRegistered Nurse1245717982
- David Nunez, DDS, MSOral and Maxillofacial Pathology Dentistry1730163585
- Leah Nunez, PHARMDPsychiatric Pharmacist1013902519
- Maricela NunezLicensed Vocational Nurse1073091724
- Eugene Nunnery, M.D.Rheumatology Physician1518966225
- Olga O'Connell, M.A., CCC/SLPSpeech-Language Pathologist1417056383
- Brian O'Donnell, M.D.Family Medicine Physician1104825678
- Janet O'Neill, LVNLicensed Vocational Nurse1578040812
- Clatus ObinwannePsychiatric/Mental Health Nurse Practitioner1457133373
- Hector Ochoa, CRNACertified Registered Nurse Anesthetist1205645181
- Mark Ochoa, COTAOccupational Therapy Assistant1861162133
- Myra Ochoa, M.S.Speech-Language Pathologist1205167939
- Ricardo Ochoa, MDFamily Medicine Physician1841270865
- Bright Odei, M.D.Family Medicine Physician1023423308
- Elise Odom, R.D.ADental Assistant1194256115
- Andrew Okafor, MDEmergency Medical Services (Emergency Medicine) Physician1932193745
- Ogonnaya Okoroji, RNRegistered Nurse1093292757
- Rafael Olacio, PA-CMedical Physician Assistant1982915971
- Juan Oliva, RNRegistered Nurse1851878193
- Veronica Olivares, RNRegistered Nurse1093510927
- Victoria Olivares, DMDGeneral Practice Dentistry1558252213
- Danielle OlivarezBehavior Technician1326869751
- Erika Olivarez, LMSWSocial Worker1003484460
- Erika OlivarezOccupational Therapist1235083718
- Julio Olmeda, APRNFamily Nurse Practitioner1326356692
- Christopher Olson, M.D.Orthopaedic Surgery Physician1639118813
- Nnenna OlubajoPsychiatric/Mental Health Nurse Practitioner1326581802
- Monica Olvera LopezInternal Medicine Physician1518761899
- Brooke Omick, ODOptometrist1649998741
- John Oncale, RPHPharmacist1699099747
- Jaime Ontiveros, PTAPhysical Therapy Assistant1710598917
- Edward Oorjitham, MDFamily Medicine Physician1104803360
- Marcio Orellana, PHARMDPharmacist1124621917
- Jorel Orgas, RNRegistered Nurse1801373147
- Aracelia Ortega, LVNLicensed Vocational Nurse1790262038
The largest Texas cities
- Houston61,221
- San Antonio37,749
- Dallas36,304
- Austin26,585
- Fort Worth15,511
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.