Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1285806323 Individual Practitioner Male Practitioner

William Robert Mathias , PA-C

Physician Assistant • San Marcos, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

William Mathias, PA-C is a certified Physician Assistant practicing in San Marcos, CA. With approximately 4 years of clinical experience since completing medical education in 2022, William Mathias delivers high-quality medical care to the local community at 150 VALPREDA RD.

William Mathias is affiliated with Neighborhood Healthcare and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

150 Valpreda Rd

San Marcos, CA 920692973

Telephone 7607366767
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2022

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in San Marcos, CA

Rising Specialist (<5 Yrs)
Practitioner Clinical Experience
4 Yrs -10.7 yrs vs City Avg
City Avg: 14.7 Yrs
State Avg: 11.5 Yrs
Regional Practice Density
26 Specialists

Practicing in San Marcos, CA (14617 Statewide)

Telehealth Adoption Rate
7.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Mathias (4 Years) 4 Yrs
San Marcos Specialty Average (14.7 Years) 14.7 Yrs

Medical Specialties & State Licenses

CMS Verified: 2023-03-28
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License CA 59627

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Physician Assistant

NUCC Taxonomy Code: 363A00000X

State License IL 085.004666

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Hospital & Practice Group Affiliations

Neighborhood Healthcare

855 E Madison Ave, El Cajon, CA 920203819

Phone: 6194402751

Neighborhood Healthcare

460 N Elm St, Escondido, CA 920253002

Phone: 7605208100

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
NPI 1003304031

Doctor of Osteopathic Medicine (D.O.)

Ashna Gupta , PA-C

Family Medicine

NPI 1003384520

Physician Assistant (Certified)

Tina Fallon

Pediatrics

NPI 1013371004
Edilberto Canseco , PA

Physician Assistant - Medical

NPI 1023546025

Physician Assistant

Dr. Claudio Cabrejos , MD

Psychiatry & Neurology - Psychiatry

NPI 1033133483

Doctor of Medicine (M.D.)

NPI 1043830763

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events
📍
Updated Practice Location March 28, 2023

Registered at 150 VALPREDA RD, SAN MARCOS, CA 920692973 (Tel: 7607366767)

NPI Profile Active November 26, 2013

NPI status registered as active in NPPES database

📍
Updated Practice Location November 26, 2013

Registered at 3001 GREEN BAY RD, CAPTAIN JAMES A. LOVELL FEDERAL HEALTH CARE CENTER, NORTH CHICAGO, IL 60064 (Tel: 2246104215)

📍
Updated Business Mailing Address November 26, 2013

Registered at 814 HINMAN AVE UNIT 1, EVANSTON, IL 602022360 (Tel: 8586993901)

👤
Provider Name / Credentials Updated November 26, 2013

Recorded as WILLIAM MATHIAS, PA-C

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 26, 2013

Physician Assistant (License #085.004666 in IL)

🟢
Initial NPI Registration & Enumeration March 28, 2008

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1285806323
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 28, 2008
Last Update: March 28, 2023
Sole Proprietor: No

Mailing Address

814 Hinman Ave Unit 1

Evanston, IL 602022360

Phone: 8586993901

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.