1. Home
  2. Directory
  3. California
  4. San Jose
  5. Internal Medicine
  6. NPI Profile

BAY AREA HOSPITAL PHYSICIAN
NPI 1043476393
Internal Medicine in San Jose, CA

Active since August 05, 2008
200 JOSE FIGUERES AVE STE 180, SAN JOSE, CA 95116(408) 258-5083(408) 258-4347 Get Directions Write a Review

NPPES record last updated: June 5, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Bay Area Hospital Physician NPPES

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

BAY AREA HOSPITAL PHYSICIAN (NPI 1043476393) is a healthcare organization registered as an internal medicine in San Jose, California and active in the NPI registry since August 2008. The organization maintains 2 additional practice locations and lists Tam Hoang Nguyen, President/ceo, as its authorized official.

NPPES Registry Identity

NPI1043476393
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameBAY AREA HOSPITAL PHYSICIAN
Location Address200 JOSE FIGUERES AVE STE 180San Jose, CA 95116
Mailing Address4945 Palemetto Dunes CtSan Jose, CA 95138-2131 · (408) 772-7970
Phone(408) 258-5083
Fax(408) 258-4347
Organization SubpartNo
Authorized OfficialTam Hoang NguyenPresident/ceo · (408) 258-5083
Enumeration DateAugust 5, 2008
Last NPPES UpdateJune 5, 2018
✔ NPI 1043476393 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · 20A9636
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
200 JOSE FIGUERES AVE STE 180, San Jose, CA 95116
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1920 Sunnyslope RdHollister, CA 95023-5784 · Phone (408) 258-5083 · Fax (408) 258-4347
Location 218181 Butterfield Blvd Ste 180Morgan Hill, CA 95037-8112 · Phone (408) 258-5083 · Fax (408) 258-4347

Other Identifiers 1

Other20A9636CA · License

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE 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)

Bay Area Hospital Physician is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Bay Area Hospital Physician, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

Tam Nguyen, D.O.
Internal Medicine
NPI 1962520478
200 JOSE FIGUERES AVE STE 180
San Jose, CA 95116
(408) 258-5083
✔ PECOSSame address
Kristen Tamura, M.D.
Nephrology
NPI 1356502553
175 N JACKSON AVE STE 103
San Jose, CA 95116
(408) 272-1600
✔ PECOS✔ Accepts Medicare0.1 mi
Ha Le, FNP
Nurse Practitioner
NPI 1407410400
2 EMBARCADERO CTR LBBY LEVEL
San Francisco, CA 94111
(888) 663-6331
✔ PECOS✔ Accepts Medicare42 mi
Aparna Mukkamala, MD
Internal Medicine
NPI 1164643953
1401 MEDICAL PKWY BLDG B, #220
Cedar Park, TX 78613
(512) 324-4083
✔ PECOS✔ Accepts Medicare1,454 mi

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 Bay Area Hospital Physician's NPI number?

The NPI number for Bay Area Hospital Physician is 1043476393. It was assigned to this organization in the NPPES registry on August 5, 2008.

Where is Bay Area Hospital Physician located?

Bay Area Hospital Physician is located at 200 Jose Figueres Ave Ste 180, San Jose, CA 95116. The listed phone number is (408) 258-5083.

What is Bay Area Hospital Physician's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Bay Area Hospital Physician enrolled in Medicare?

Yes. Bay Area Hospital Physician is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Bay Area Hospital Physician?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians reassign their Medicare billing to Bay Area Hospital Physician, in Internal Medicine, Nephrology and Nurse Practitioner. 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, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Bay Area Hospital Physician was last updated on June 5, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.