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GAUTAMI AGASTYA, MD., INC.
NPI 1659540870
Preventive Medicine - Preventive Medicine/Occupational Environmental Medicine in Tracy, CA

Active since February 21, 2008
652 W 11TH ST, SUITE 137, TRACY, CA 95376(209) 833-7555(209) 833-7518 Get Directions Write a Review

NPPES record last updated: February 13, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Gautami Agastya, Md., Inc. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GAUTAMI AGASTYA, MD., INC. (NPI 1659540870) is a healthcare organization registered as a preventive medicine/occupational environmental medicine in Tracy, California and active in the NPI registry since February 2008. The organization lists Gautami Agastya, President, as its authorized official.

NPPES Registry Identity

NPI1659540870
Entity TypeOrganization
Primary Taxonomy2083P0500X
Legal Business NameGAUTAMI AGASTYA, MD., INC.
Location Address652 W 11TH ST, SUITE 137Tracy, CA 95376-3869
Mailing Address652 W 11th St, Suite 137Tracy, CA 95376-3869 · (209) 833-7555 · Fax (209) 833-7518
Phone(209) 833-7555
Fax(209) 833-7518
Organization SubpartNo
Authorized OfficialGautami AgastyaPresident · (209) 833-7555
Enumeration DateFebruary 21, 2008
Last NPPES UpdateFebruary 13, 2013
✔ NPI 1659540870 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPreventive Medicine · Preventive Medicine/Occupational Environmental MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2083P0500X
License✔ Licensed in CA · A85126
Definition
A preventive medicine physician who specializes in preventive medicine/occupational-environmental medicine, which is focused on protecting the population from occupational and environmental conditions.
Also ListedInternal MedicineTaxonomy 207R00000X · License C51385 (CA)
652 W 11TH ST, Tracy, CA 95376
Open in Google Maps ↗

Other Identifiers 1

Medicare UPING25805CA

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gautami Agastya, Md., Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Gautami Agastya, MD., Inc., which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Ramana Adapa, MD
Family Practice
NPI 1407959315
652 W 11TH ST SUITE 137
Tracy, CA 95376
(209) 833-7555
✔ PECOS✔ Accepts MedicareSame address
Gautami Agastya, MD
Internal Medicine
NPI 1356312516
652 W 11TH ST SUITE 137
Tracy, CA 95376
(209) 833-7555
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gautami Agastya, MD., Inc.'s NPI number?

The NPI number for Gautami Agastya, MD., Inc. is 1659540870. It was assigned to this organization in the NPPES registry on February 21, 2008.

Where is Gautami Agastya, MD., Inc. located?

Gautami Agastya, MD., Inc. is located at 652 W 11th St Suite 137, Tracy, CA 95376. The listed phone number is (209) 833-7555.

What is Gautami Agastya, MD., Inc.'s specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Preventive Medicine/Occupational Environmental Medicine, with taxonomy code 2083P0500X.

Is Gautami Agastya, MD., Inc. enrolled in Medicare?

Yes. Gautami Agastya, MD., Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gautami Agastya, MD., Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Gautami Agastya, MD., Inc., in Family Practice and Internal Medicine. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Gautami Agastya, MD., Inc. was last updated on February 13, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.