Doctors and health care providers in Pasadena, CA
10,525 individual NPPES records list a practice address in Pasadena, 13th of 812 California cities. The largest group is behavior technician: 1,617, 15% of the city's records, against 18% across California. Page 100 of 211.
The 8 largest groups in Pasadena
Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.
Pasadena in California
- Rank in California13th of 812 cities by records
- Share of the state1.1% of California's records
- Specialties present25 or more taxonomy codes
- Top three groups34.4% of all records
Compared with California as a whole, Pasadena has 6.2× the state's share of rehabilitation practitioner records and 0.51× its share of general practice dentistry records.
Providers in Pasadena, alphabetically
- Mason Lai, LESpecialist1902498157
- Peiyu LaiBehavior Technician1366211518
- Sum Yin Emily LaiMarriage & Family Therapist1679944516
- Yien Liang Lai, L.AC.Acupuncturist1568786119
- Kendra LaicaAddiction (Substance Use Disorder) Counselor1245003821
- Katrina Lake, L.AC.Acupuncturist1477701647
- Suzanne Lake, PSY.D.Clinical Psychologist1023048410
- Shankar Lakshman, MDPlastic and Reconstructive Surgery Physician1699799023
- Stephanie Lalas, DPTPhysical Therapist1225538440
- Louise Lalonde, NPAcute Care Nurse Practitioner1669493367
- Hannah Lalone, BARehabilitation Practitioner1023627874
- Sonal Lalwani, M.D.Internal Medicine Physician1487685558
- Adelyne Lam, PA-CPhysician Assistant1215054374
- Allison LamStudent in an Organized Health Care Education/Training Program1346079563
- Catarina Lam, RN,NPWomen's Health Nurse Practitioner1023951126
- Chelsea Lam, MDStudent in an Organized Health Care Education/Training Program1073121786
- Ellen Lam, PTPhysical Therapist1578855821
- Helen Lam, PA-CPhysician Assistant1255870614
- Jack Lam, R.PHPharmacist1730511601
- Jennifer Lam, DNPFamily Nurse Practitioner1134888530
- Kay LamClinical Social Worker1881328367
- Kenneth Lam, M.D.Specialist1871620088
- Richard Lam, M.D.Hospice and Palliative Medicine (Internal Medicine) Physician1831519115
- Sylvia Lam, MDFamily Medicine Physician1205884442
- Trinh LamPharmacist1336664713
- Warren Lam, MEDICAL DOCTORDiagnostic Radiology Physician1114917143
- Tran Lam-Snyder, LVNLicensed Vocational Nurse1477090330
- Judy Lam-Tran, MFTMarriage & Family Therapist1790941771
- Nina Lamaria, LMFTMarriage & Family Therapist1003651332
- Sonia LambertCase Manager/Care Coordinator1801384110
- Jessica LammersRehabilitation Practitioner1750409355
- Chloe LamoreauxSpeech-Language Assistant1861341497
- Eunice LamotheStudent in an Organized Health Care Education/Training Program1851134340
- Felipe LancasterAddiction (Substance Use Disorder) Counselor1952795130
- Virginia Lancaster, LEPSchool Psychologist1356894224
- Haley LandSocial Worker1760082770
- Janae LandLicensed Vocational Nurse1417238718
- Sara LandasRegistered Nurse1578153052
- Claudia Landaverde, ASWClinical Social Worker1396637088
- Dianne LandaverdeRehabilitation Practitioner1205532736
- Andrew LanderMarriage & Family Therapist1154126076
- Angela LanderosPsychiatric/Mental Health Registered Nurse1851069744
- Bryan LanderosAssistant Behavior Analyst1225970312
- Evelyn LanderosBehavior Technician1780278275
- Laura LanderosRehabilitation Practitioner1043461429
- Gregory Landes, AMFTMarriage & Family Therapist1679321228
- Karla LandinStudent in an Organized Health Care Education/Training Program1215363759
- Kimberly Landis, RBTBehavior Technician1184277915
- Ruth Landsberger, MDFamily Medicine Physician1629120001
- Erik Landswick, MPTOrthopedic Physical Therapist1518062801
The largest California cities
- Los Angeles69,537
- San Diego52,937
- San Francisco38,143
- Sacramento33,083
- San Jose20,925
How to read this directory
Pasadena, California appears in the CMS National Plan and Provider Enumeration System with 10,525 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 Pasadena - 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 Pasadena 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 Pasadena is weighted toward Behavior Technician (1,617 clinicians, followed by Marriage & Family Therapist with 1,082 and Rehabilitation Practitioner with 924). 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, Pasadena reports roughly 27 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 Pasadena 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 Pasadena, CA?
There are 10,525 registered healthcare providers in Pasadena, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.
What are the most common medical specialties in Pasadena?
The most common specialties in Pasadena are Behavior Technician, Marriage & Family Therapist, Rehabilitation Practitioner, Student in an Organized Health Care Education/Training Program, Clinical Social Worker. Behavior Technician has the most providers with 1,617.
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.