Doctors and health care providers in Lancaster, CA
4,273 individual NPPES records list a practice address in Lancaster, 49th of 812 California cities. The largest group is behavior technician: 436, 10% of the city's records, against 18% across California. Page 77 of 86.
The 8 largest groups in Lancaster
Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.
Lancaster in California
- Rank in California49th of 812 cities by records
- Share of the state0.4% of California's records
- Specialties present25 or more taxonomy codes
- Top three groups24.6% of all records
Compared with California as a whole, Lancaster has 4.5× the state's share of peer specialist records and 0.56× its share of physical therapist records.
Providers in Lancaster, alphabetically
- Ben Tantayanubutr, MDFamily Medicine Physician1881880110
- Debra TapiaRehabilitation Practitioner1598882664
- Lejon TapiaAssistant Behavior Analyst1417666975
- Lisette TapiaCommunity Health Worker1427568419
- Yuriana Tapia LozoyaMarriage & Family Therapist1235607649
- Lauren TassoBehavior Technician1316522311
- David Tatera, PH.D.Clinical Psychologist1326557976
- Alma TatroDay Training/Habilitation Specialist1578967501
- Faiz Tausif, M.D.Physical Medicine & Rehabilitation Physician1770014805
- Max TawCase Manager/Care Coordinator1265358204
- Christina Taylor, M.A.Rehabilitation Practitioner1457615486
- Christy TaylorClinical Social Worker1275729121
- Harry Taylor, PH.D.Clinical Psychologist1235206319
- Lashanda TaylorLicensed Vocational Nurse1023696374
- Leigh TaylorBehavior Technician1891481529
- Shaylale TaylorMarriage & Family Therapist1255512158
- Taniya TaylorCommunity Health Worker1679083760
- Lauren Teague, OTD, OTR/LOccupational Therapist1720633472
- Branden TeasleyCommunity Health Worker1184329674
- Jerusalem Tefera, NPFamily Nurse Practitioner1326915885
- Patricia TejadaStudent in an Organized Health Care Education/Training Program1043179229
- Marisol Tejeda AlvaradoAddiction (Substance Use Disorder) Counselor1831411818
- Elizabeth Tejeda-GomezMarriage & Family Therapist1083320626
- Tamding Tempo, M.D., INC.Anesthesiology Physician1730166067
- Reydesel Tena, DA, X-RAY LICENSEDDental Assistant1417255654
- Gregory Tennant, D.O.Orthopaedic Surgery Physician1073581385
- Jose TeodoresLicensed Vocational Nurse1427880905
- Jennifer Termeer, MDEmergency Medicine Physician1952535494
- Joyce TerryClinical Social Worker1275902330
- David Thai, FNPFamily Nurse Practitioner1568013142
- Nestle Jane ThaiPharmacist1336682269
- Khanh Thai-Van Gelder, PHARMDPharmacist1083996078
- Mitali ThakarPharmacist1962342956
- Tom Thamsopit, O.D.Optometrist1780068726
- Murugesamudali Thangavel, M.D.,Neonatal-Perinatal Medicine Physician1821012287
- Julie ThantaeRespiratory/Developmental/Rehabilitative Specialist/Technologist1528521234
- Kathleen TharpAddiction (Substance Use Disorder) Counselor1033362157
- Christopher Theobald, LMFTMarriage & Family Therapist1487032207
- Michael Theurer, D.D.S.,MS,PCOrthodontics and Dentofacial Orthopedics Dentistry1235104613
- Chitta Thiagarajah, M.D.Pain Medicine (Anesthesiology) Physician1982696944
- Jennifer ThibodeauMarriage & Family Therapist1447945233
- Alice Thomas, HEARING AID DISPENSEHearing Instrument Specialist1669548814
- Andrew ThomasBehavior Technician1043752942
- Brenda ThomasCase Manager/Care Coordinator1013255173
- Carla Thomas, BSAddiction (Substance Use Disorder) Counselor1679726046
- Cedric ThomasHome Health Aide1093698458
- Dane Thomas, D.C.Chiropractor1003948134
- Ebony ThomasDoula1689550790
- George ThomasCase Manager/Care Coordinator1033035076
- Satwonya ThomasClinical Social Worker1043753882
The largest California cities
- Los Angeles69,537
- San Diego52,937
- San Francisco38,143
- Sacramento33,083
- San Jose20,925
How to read this directory
Lancaster, California appears in the CMS National Plan and Provider Enumeration System with 4,273 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 Lancaster - 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 Lancaster 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 Lancaster is weighted toward Behavior Technician (436 clinicians, followed by Marriage & Family Therapist with 331 and Addiction (Substance Use Disorder) Counselor with 283). 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, Lancaster reports roughly 11 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 Lancaster 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 Lancaster, CA?
There are 4,273 registered healthcare providers in Lancaster, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.
What are the most common medical specialties in Lancaster?
The most common specialties in Lancaster are Behavior Technician, Marriage & Family Therapist, Addiction (Substance Use Disorder) Counselor, Case Manager/Care Coordinator, Clinical Social Worker. Behavior Technician has the most providers with 436.
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.