2026 data CMS NPPES NUCC Taxonomy

Doctors in San Antonio, TX

Compiled from official public sources by the PlainDoctor editorial team.

Active healthcare providers in San Antonio sourced from the CMS NPPES weekly file, no proprietary ratings, no editorial scores. NPI counts, specialty distribution, and primary practice addresses refreshed each release.

36,319
Providers
CMS NPPES-registered
20
Specialties
NUCC taxonomy codes
Behavior Technician
Top specialty
2,535 providers
Texas
State
TX

36,319 healthcare providers across 20 specialties

San Antonio, Texas appears in the CMS National Plan and Provider Enumeration System with 36,319 registered healthcare providers spanning 20 distinct NUCC-taxonomy specialties. This count includes every individual clinician who has applied for an NPI and listed a practice address in San Antonio - 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 San Antonio 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 2023 Medicare Part D data, and, according to CMS, can be searched, compared, and traced in our methodology.

The provider mix in San Antonio is weighted toward Behavior Technician (2,535 clinicians, followed by Student in an Organized Health Care Education/Training Program with 2,068 and Professional Counselor with 1,593). 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, San Antonio reports roughly 119.1 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.

Within Texas, San Antonio ranks #2 of 695 cities tracked by provider count, accounting for 8.7% of the state's registered providers.

For San Antonio patients, this directory is most useful as a starting shortlist, searching by specialty narrows the 690-taxonomy roster to clinicians with the relevant training, and each provider page links to NPI, state licensing boards, and the NPPES registry for credential verification. 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, so listing details may be out of date; call the practice directly to confirm the provider is still there, accepts your insurance, and is taking new patients. Nothing on this page substitutes for consulting a licensed clinician about your personal health decisions.

36,319
Providers
20
Specialties
#2
of 695 TX cities
8.7%
of TX providers
119.1
Per 100K (state)

Which specialties are most common in San Antonio

Behavior Technician 2,535
Student in an Organized Health Care Education/Training Program 2,068
Professional Counselor 1,593
Licensed Vocational Nurse 1,369
Pharmacist 1,357
Registered Nurse 1,353
Family Nurse Practitioner 1,237
Speech-Language Pathologist 1,155
Physical Therapist 1,073
Internal Medicine Physician 916
Clinical Social Worker 847
Physician Assistant 804
Mental Health Counselor 780
Family Medicine Physician 768
General Practice Dentistry 713
Occupational Therapist 578
Dentist 561
Pediatrics Physician 508
Pharmacy Technician 482
Physical Therapy Assistant 461

Healthcare Providers (Page 107)

Name
Caleb Castro, OTD
Occupational Therapist
Carmen Castro
Behavior Technician
Casey Castro
Registered Nurse
Chelsea Castro, SLP-ASSISTANT
Speech-Language Assistant
Christine Castro, OTR
Pediatric Occupational Therapist
David Castro, MD
Pediatrics Physician
Deborah Castro
Counselor
Emilia Castro
Behavior Technician
Esther Castro, LCSW
Clinical Social Worker
Esther Castro
Pharmacy Technician
Geraldine Castro, OTR/L
Occupational Therapist
Isaiah Castro, LMT
Massage Therapist
James Castro, LPC
Professional Counselor
Janet Castro
Pharmacy Technician
Jeremiah Castro, PTA
Physical Therapy Assistant
Jesse Castro, LCDC
Addiction (Substance Use Disorder) Counselor
Josue Castro, LCSW
Mental Health Counselor
Julia Castro, CGC
Genetic Counselor (M.S.)
Keyshawn Castro, BCBA
Behavior Analyst
Kristen Castro, PA-C
Medical Physician Assistant
Lauryn Castro, SLP
Speech-Language Pathologist
Liliana Castro, LVN
Licensed Vocational Nurse
Lisa Castro, NP
Family Nurse Practitioner
Luis Castro, MD, MPH
Student in an Organized Health Care Education/Training Program
Maribel Castro, MD
Student in an Organized Health Care Education/Training Program
Marisa Castro, MT-BC
Music Therapist
Marissa Castro, PT
Pediatric Physical Therapist
Michele Castro, LPC
Mental Health Counselor
Nicholas Castro
Electroneurodiagnostic Specialist/Technologist
Olivia Castro, MD
Pediatrics Physician
Paola Castro
Licensed Practical Nurse
Robert Castro, DDS
General Practice Dentistry
Samantha Castro
Behavior Technician
Selene Castro
Home Health Aide
Sharon Castro
Surgical Assistant
Valerie Castro, LPC ASSOCIATE
Professional Counselor
Jose Castro Alonzo
Student in an Organized Health Care Education/Training Program
Yunuen Castro Lopez
Dental Hygienist
Robert Castro Natal, DNP, APRN, FNP-BC
Critical Care Medicine Registered Nurse
Norys Castro Pena, M.D.
Internal Medicine Physician
Rebecca Castro Rios, FNP-C
Family Nurse Practitioner
Dienne Castruita, SLP
Speech-Language Pathologist
Megan Catalani, INHC
Health & Wellness Coach
Neil Cataline, IDC
Independent Duty Corpsman
Godwin Catalla, RPH
Pharmacist
Matthew Cates, DO, MPH
Internal Medicine Physician
George Cathey, DDS
General Practice Dentistry
Steven Cathey, MD
Psychiatry Physician
Deborah Catland, NNP
Critical Care Neonatal Nurse Practitioner
Stephen Catlett, CCP, CSA
Surgical Assistant

Nearby Cities in Texas

Other Texas cities with provider coverage in the CMS NPPES registry.

Compare specialties side-by-side →

Frequently Asked Questions

How many doctors are in San Antonio, TX?
There are 36,319 registered healthcare providers in San Antonio, TX, covering 20 specialties. This includes physicians, dentists, therapists, and other licensed providers.
What are the most common medical specialties in San Antonio?
The most common specialties in San Antonio are Behavior Technician, Student in an Organized Health Care Education/Training Program, Professional Counselor, Licensed Vocational Nurse, Pharmacist. Behavior Technician has the most providers with 2,535.

Provider data from CMS NPPES (download.cms.gov/nppes); specialty classification from NUCC Health Care Provider Taxonomy. PlainDoctor does not rate or rank providers. Methodology · About

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from CMS National Plan and Provider Enumeration System (NPPES). Consult a qualified professional before making decisions based on this data.

Compiled from official public sources by the PlainDoctor editorial team.