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 63 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
- Gerardo PreciadoBehavior Technician1881152569
- Lucia PreciadoBehavior Technician1851833750
- Christopher Press, O.D.Optometrist1518092824
- Deon PriceMental Health Counselor1265631311
- Joshua PriceMarriage & Family Therapist1134675309
- Latanza PriceRehabilitation Practitioner1912770447
- Lorene Price, RNRegistered Nurse1124540596
- Sharon Price, LCSW, MSWClinical Social Worker1629581210
- Jeanette PrinceSpecialist1407518269
- Jodi PriorMarriage & Family Therapist1043338577
- Savannah ProbertBehavior Technician1225986086
- Shawnie ProoClinical Social Worker1073230371
- Kayla ProsserDay Training/Habilitation Specialist1386522654
- Sheylander Prudence, PHARM.D.Pharmacist1174722706
- Verlynn Pruehs, MSMarriage & Family Therapist1538408018
- Lindsey Pruitt, LCSWClinical Social Worker1154445351
- Jatinder Pruthi, M.D.Gastroenterology Physician1205852985
- Cheng Yen Pu, PHARM.D.Pharmacist1881095214
- Esmeralda Puente, B.APeer Specialist1124844774
- Cristine PulidoCase Manager/Care Coordinator1689313322
- Christopher PulliamRegistered Respiratory Therapist1376027805
- Debbie Purpus, LMFT, CCRPMarriage & Family Therapist1881725406
- Loc Quan, PHARM.D.Pharmacist1730558958
- Jared Queen, M.S., CCC-SLPSpeech-Language Pathologist1700714052
- Adriana Quevedo HernandezBehavior Analyst1811606510
- Itzel QuezadaBehavior Technician1376002840
- Patricia QuezadaAddiction (Substance Use Disorder) Counselor1346523941
- Ruby Quiambao, LMFTMarriage & Family Therapist1396312575
- Katherine QuilesPeer Specialist1225734718
- Alexandra QuinonesStudent in an Organized Health Care Education/Training Program1265364855
- Vanessa QuinonezCase Manager/Care Coordinator1366090516
- Jacqueline Quinonez-ArellanoDay Training/Habilitation Specialist1831904200
- Linda QuinzyLicensed Vocational Nurse1043512882
- Willard Quirk, M.D.Psychiatry Physician1821072950
- Luz QuirosPeer Specialist1528199742
- Jorge Quispe Zegarra, NPFamily Nurse Practitioner1518838192
- Ankita Rai, FNPFamily Nurse Practitioner1831794536
- Daniel Rajaratnam, PA-CPhysician Assistant1669650180
- Rupert Rajaratnam, M.D.Specialist1922044833
- Karen RaldaMedical Physician Assistant1467370916
- Erica RamcharamBehavior Technician1639023229
- Cassandra RamirezCase Manager/Care Coordinator1124603162
- Christian RamirezAddiction (Substance Use Disorder) Counselor1063280535
- Crystal RamirezCase Manager/Care Coordinator1780243634
- Dave Ramirez, MAMarriage & Family Therapist1154674299
- Debbie RamirezSpecialist1770975161
- Elsa Ramirez, CNPNurse Practitioner1427381391
- Evelyn RamirezBehavior Technician1265139224
- Felicia Ramirez, M.A., M.S.W.Clinical Social Worker1568756633
- Fernando RamirezRehabilitation Practitioner1124491386
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.