2026 data CMS NPPES NUCC Taxonomy

Doctors in Vallejo, CA

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

2,797
Providers
CMS NPPES-registered
20
Specialties
NUCC taxonomy codes
Physician Assistant
Top specialty
223 providers
California
State
CA

2,797 healthcare providers across 20 specialties

Vallejo, California appears in the CMS National Plan and Provider Enumeration System with 2,797 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 Vallejo - 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 Vallejo 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 Vallejo is weighted toward Physician Assistant (223 clinicians, followed by Pharmacist with 168 and Physical Therapist with 128). 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, Vallejo reports roughly 7.2 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 California, Vallejo ranks #80 of 805 cities tracked by provider count, accounting for 0.3% of the state's registered providers.

For Vallejo 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.

2,797
Providers
20
Specialties
#80
of 805 CA cities
0.3%
of CA providers
7.2
Per 100K (state)

Which specialties are most common in Vallejo

Physician Assistant 223
Pharmacist 168
Physical Therapist 128
Addiction (Substance Use Disorder) Counselor 128
Student in an Organized Health Care Education/Training Program 112
Mental Health Counselor 107
Behavior Technician 103
Marriage & Family Therapist 86
Clinical Social Worker 82
Counselor 79
Internal Medicine Physician 70
General Practice Dentistry 59
Family Medicine Physician 57
Emergency Medicine Physician 54
Behavior Analyst 50
Case Manager/Care Coordinator 46
Speech-Language Pathologist 42
Registered Nurse 39
Family Nurse Practitioner 38
Dentist 36

Healthcare Providers (Page 37)

Name
Ron Nazionale
Pharmacist
Mbowoi Ndama, BS
Behavior Technician
Michael Neal
Mental Health Counselor
Sasha Neitz, BA
Behavior Technician
Brett Nelson, MD
Emergency Medicine Physician
Patricia Nelson, CADC-CAS
Addiction (Substance Use Disorder) Counselor
Tracy Nelson, OTRL
Occupational Therapist
Darnell Nesbitt, RDMS, RVT
Sonography Radiologic Technologist
Mayra Nevarez
Behavior Technician
Michael Nevitt, CRNA
Certified Registered Nurse Anesthetist
Roisha Newson
Mental Health Counselor
Thomas Ney, D.P.M.
Foot & Ankle Surgery Podiatrist
Brianna Ng, OT
Occupational Therapist
Kevin Ng, PHARMD
Pharmacist
Jonathan Ngo, PHARMD
Pharmacist
Adriane Marie Nguyen, D.O.
Family Medicine Physician
Andrew Nguyen
Medical Physician Assistant
Anh Nguyen, PHARMD
Ambulatory Care Pharmacist
Bao-Ngoc Nguyen, CCC-SLP
Speech-Language Pathologist
Christopher Nguyen, DPM
Orthopaedic Foot and Ankle Surgery Physician
David Nguyen, PHARMD
Pharmacist
Diep Nguyen, PHARMD
Pharmacist
Jennifer Nguyen
Behavior Technician
Kathie Nguyen
Pharmacist
Laura Nguyen, PHARMD
Pharmacist
Le-Thu Nguyen, PHARMD.
Pharmacist
Leyna Nguyen
Physician Assistant
Linda Nguyen
Community Health Worker
Mien Thao Nguyen
Physician Assistant
Nam Nguyen, PHARM. D.
Oncology Pharmacist
Newton Nguyen
Health Educator
Sandy Nguyen
Physician Assistant
Thien Nguyen
Physician Assistant
Traihoa Nguyen, M.D
Pediatrics Physician
Vivian Nguyen
Speech-Language Pathologist
William Nguyen, MA
Counselor
Mervyn Nicholas, PA
Medical Physician Assistant
Alice Nicholls, M.S., SLP-CF
Speech-Language Pathologist
Sukhranjan Nijjar
Student in an Organized Health Care Education/Training Program
Ermis Nikas, DO
Urology Physician
Loren Niles, PHARMD
Pharmacist
Sean Nisam
Student in an Organized Health Care Education/Training Program
Elise Nissen, M.D.
Student in an Organized Health Care Education/Training Program
Teodoro Nissen, M.D.
Orthopaedic Surgery Physician
Sheila Nixon, RADT1
Addiction (Substance Use Disorder) Counselor
Tanesha Nixon
Addiction (Substance Use Disorder) Counselor
Jedidah Njuguna
Mental Health Counselor
Anthony Noces, MD
Adult Medicine Physician
Ryan Nock, MD
Gastroenterology Physician
Margaret Nonato, PA-C
Medical Physician Assistant

Nearby Cities in California

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

Compare specialties side-by-side →

Frequently Asked Questions

How many doctors are in Vallejo, CA?
There are 2,797 registered healthcare providers in Vallejo, CA, covering 20 specialties. This includes physicians, dentists, therapists, and other licensed providers.
What are the most common medical specialties in Vallejo?
The most common specialties in Vallejo are Physician Assistant, Pharmacist, Physical Therapist, Addiction (Substance Use Disorder) Counselor, Student in an Organized Health Care Education/Training Program. Physician Assistant has the most providers with 223.

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 editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-05-20.