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 48 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
- Sethu Madhavan, MDGastroenterology Physician1194732230
- Ashley MadrigalClinical Social Worker1215712591
- Maria MadrigalPharmacist1770954224
- Ariana Magana, ODOptometrist1235976861
- Emelyn MaganaMarriage & Family Therapist1932834041
- Janet MaganaDay Training/Habilitation Specialist1417254905
- Leslie MaganaDay Training/Habilitation Specialist1891350526
- Marilyn MaganaAddiction (Substance Use Disorder) Counselor1952097883
- Dexter MagandaPhysical Therapist1154525889
- Kwanita MageeCase Manager/Care Coordinator1568841526
- Michal MageeBehavior Technician1487278651
- Elizabeth MaginityCommunity Health Worker1164549432
- Theodore Magnuson, DCChiropractor1497775654
- Ramasamy Mahadevan, M.D.Pediatrics Physician1376688556
- Joseph MahalliNephrology Physician1023676376
- Tom Mahendra, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1205923646
- Mary MahonRehabilitation Practitioner1952428435
- Susan Mahoney, PHARMDPharmacist1801304795
- Stefanie MahotzMental Health Counselor1982020707
- Lanh Mai, DDSDentist1801078712
- Miranda Maisler, NP-CNurse Practitioner1548117757
- Jeorge MakinoseOccupational Therapy Assistant1033825237
- Luz Malagon CisnerosBehavior Technician1013636232
- Ana MaldonadoPsychiatric/Mental Health Nurse Practitioner1982306338
- Jessica MaldonadoRehabilitation Practitioner1225333909
- Jose MaldonadoAddiction (Substance Use Disorder) Counselor1952949000
- Karen MaldonadoBehavior Analyst1528800521
- Mario Maldonado, TBSMental Health Counselor1336268713
- Pauline MaldonadoBehavior Technician1972298834
- Wilber MaldonadoDay Training/Habilitation Specialist1356216824
- Jennifer Malechikos, M.S., CCC-SLPSpeech-Language Pathologist1275461527
- Frank MalianosLicensed Vocational Nurse1467330647
- Parasteh Malihi, DMDDentist1447948815
- Kenneth Malone, DDSOral and Maxillofacial Surgery (Dentist)1609967348
- Paige MaloneClinical Social Worker1457963639
- Rendell Manalo, D.O.Nephrology Physician1265610950
- Leo ManasraAddiction (Substance Use Disorder) Counselor1932817814
- Deborah Manchester, CCC-AAudiologist-Hearing Aid Fitter1093151623
- Michelle MancillaDental Hygienist1447667746
- John ManciniRehabilitation Practitioner1922649482
- Vijay Mandyam, DPMPodiatrist1174618672
- Christopher MangassarianPharmacist1932634516
- Kamil Mankarious, DMDDentist1033871496
- Georgi Manker-StokesAddiction (Substance Use Disorder) Counselor1962189803
- Bonnie MannSpeech-Language Pathologist1760905095
- John Manning, M.D.Plastic and Reconstructive Surgery Physician1538277645
- Linda Manning, R.N., N.P.Pediatric Nurse Practitioner1417083700
- Simarjeet Manocha, PA-CPhysician Assistant1548725666
- Monica MansonDental Assistant1841437613
- Armen Manssourian, D.M.D.General Practice Dentistry1225241458
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.