Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1457126476 Individual Practitioner Male Practitioner

Thomas Grass

Physician Assistant • Tracy, CA

Professional Overview & Biography Verified Profile Summary

Thomas Grass is a registered healthcare professional specializing in Physician Assistant in Tracy, CA. Practice services are available at 530 W EATON AVE STE B under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

530 W Eaton Ave Ste B

Tracy, CA 953763454

Telephone 2098359029
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Tracy, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 8.5 Yrs
State Avg: 11.5 Yrs
Regional Practice Density
16 Specialists

Practicing in Tracy, CA (14617 Statewide)

Telehealth Adoption Rate
6.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2026-03-27
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License CA 68101

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.

Practice Associates & Co-Workers

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

2 Associated Practitioners
Dr. Natesan Rama , MD

Pediatrics - Adolescent Medicine

NPI 1306825237

Doctor of Medicine (M.D.)

NPI 1437527348

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

9 Historical Events
📍
Updated Practice Location March 27, 2026

Registered at 530 W EATON AVE STE B, TRACY, CA 953763454 (Tel: 2098359029)

📍
Updated Business Mailing Address March 27, 2026

Registered at 530 W EATON AVE STE B, TRACY, CA 953763454 (Tel: 6692526848)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 27, 2026

Physician Assistant (License #68101 in CA)

NPI Profile Active November 20, 2023

NPI status registered as active in NPPES database

📍
Updated Practice Location November 20, 2023

Registered at 4139 EL CAMINO WAY, PALO ALTO, CA 943064010 (Tel: 6692526848)

📍
Updated Business Mailing Address November 20, 2023

Registered at 1922 THE ALAMEDA STE 316, SAN JOSE, CA 951261461 (Tel: 6692526848)

👤
Provider Name / Credentials Updated November 20, 2023

Recorded as THOMAS GRASS

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 20, 2023

Case Manager/Care Coordinator

🟢
Initial NPI Registration & Enumeration November 20, 2023

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: 1457126476
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 20, 2023
Last Update: March 27, 2026
Sole Proprietor: No

Mailing Address

530 W Eaton Ave Ste B

Tracy, CA 953763454

Phone: 6692526848

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.