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THOMAS T. HA, M.D., INC.
NPI 1194257618
Internal Medicine in Covina, CA

Active since April 03, 2017
530 W BADILLO ST, SUITE E, COVINA, CA 91722(626) 858-5370 Get Directions Write a Review

NPPES record last updated: April 3, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Thomas T. Ha, M.d., Inc. NPPES

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

THOMAS T. HA, M.D., INC. (NPI 1194257618) is a healthcare organization registered as an internal medicine in Covina, California and active in the NPI registry since April 2017. The organization lists Thomas T. Ha, President, as its authorized official.

NPPES Registry Identity

NPI1194257618
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameTHOMAS T. HA, M.D., INC.
Location Address530 W BADILLO ST, SUITE ECovina, CA 91722-3787
Mailing Address23541 Ridge Line RdDiamond Bar, CA 91765-3008 · (626) 367-1033
Phone(626) 858-5370
Organization SubpartNo
Authorized OfficialThomas T. HaPresident · (626) 367-1033
Enumeration DateApril 3, 2017
✔ NPI 1194257618 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 · A43426
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.
530 W BADILLO ST, Covina, CA 91722
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Other Identifiers 1

Medicare PINA43426CA

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)

Thomas T. Ha, M.d., Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Thomas T. Ha, M.D., Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Thomas Ha, M.D.
Internal Medicine
NPI 1568447860
530 W BADILLO ST #E
Covina, CA 91722
(626) 280-2803
✔ 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 Thomas T. Ha, M.D., Inc.'s NPI number?

The NPI number for Thomas T. Ha, M.D., Inc. is 1194257618. It was assigned to this organization in the NPPES registry on April 3, 2017.

Where is Thomas T. Ha, M.D., Inc. located?

Thomas T. Ha, M.D., Inc. is located at 530 W Badillo St Suite E, Covina, CA 91722. The listed phone number is (626) 858-5370.

What is Thomas T. Ha, M.D., Inc.'s specialty?

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

Is Thomas T. Ha, M.D., Inc. enrolled in Medicare?

Yes. Thomas T. Ha, M.D., Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Thomas T. Ha, M.D., Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Thomas T. Ha, M.D., Inc.. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Thomas T. Ha, M.D., Inc. was last updated on April 3, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.