NALLATHAMBY THAYAPRAN, MD, INC.
NPI 1154472785
Internal Medicine - Cardiovascular Disease in Porterville, CA

Active since January 12, 2007CLIA 05D1083459 · Waiver
240 N PORTER RD, PORTERVILLE, CA 93257(559) 793-2677(559) 793-2650 Get Directions Write a Review

NPPES record last updated: February 6, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Nallathamby Thayapran, Md, Inc. NPPES

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

NALLATHAMBY THAYAPRAN, MD, INC. (NPI 1154472785), doing business as Taya Thayapran Md Inc., is a healthcare organization registered as a cardiovascular disease in Porterville, California and active in the NPI registry since January 2007. The organization holds a CLIA Waiver certificate valid through May 1, 2028 and lists Nallathamby Thayapran, President, as its authorized official.

NPPES Registry Identity

NPI1154472785
Entity TypeOrganization
Primary Taxonomy207RC0000X
Legal Business NameNALLATHAMBY THAYAPRAN, MD, INC.
Location Address240 N PORTER RDPorterville, CA 93257-3140
Mailing Address240 N Porter RdPorterville, CA 93257-3140 · (559) 793-2677 · Fax (559) 793-2650
Fax(559) 793-2650
Organization SubpartNo
Authorized OfficialNallathamby ThayapranPresident · (559) 793-2677
Enumeration DateJanuary 12, 2007
Last NPPES UpdateFebruary 6, 2026
NPPES CertifiedFebruary 6, 2026
✔ NPI 1154472785 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in CA · A66422
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
240 N PORTER RD, Porterville, CA 93257

Other Names 1

Former Legal Business NameTaya Thayapran Md Inc.

Other Identifiers 2

Medicaid00A664220CA
OtherDG8897R R Medicare

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)

Nallathamby Thayapran, Md, Inc. 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 Nallathamby Thayapran, MD, Inc., which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (4)

Cardiovascular Disease (Cardiology)
NPI 1386740421
240 N PORTER RD
Porterville, CA 93257
(559) 793-2677
✔ PECOS✔ Accepts MedicareSame address
Cardiovascular Disease (Cardiology)
NPI 1912266511
938 N CHERRY ST
Tulare, CA 93274
(559) 686-3481
✔ PECOS✔ Accepts Medicare20 mi
Cardiovascular Disease (Cardiology)
NPI 1194043042
5400 W HILLSDALE AVE
Visalia, CA 93291
(559) 738-7551
✔ PECOS✔ Accepts Medicare25 mi
Cardiovascular Disease (Cardiology)
NPI 1780910810
3551 Q ST STE 100
Bakersfield, CA 93301
(661) 327-3747
✔ PECOS✔ Accepts Medicare47 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D1083459

Nallathamby Thayapran MD Inc · Porterville, CA
Active · expires May 1, 2028
CLIA Number05D1083459
Laboratory TypePhysician Office
Certificate Effective DateMay 2, 2026
Certificate Expiration DateMay 1, 2028
Laboratory DirectorNallathamby Thayapran MD
Laboratory Phone(559) 793-2677
Laboratory LocationNallathamby Thayapran MD Inc240 N Porter Rd, Porterville, CA 93257
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Nallathamby Thayapran, MD, Inc.'s NPI number?

The NPI number for Nallathamby Thayapran, MD, Inc. is 1154472785. It was assigned to this organization in the NPPES registry on January 12, 2007. The provider was formerly known as Taya Thayapran MD INC..

Where is Nallathamby Thayapran, MD, Inc. located?

Nallathamby Thayapran, MD, Inc. is located at 240 N Porter Rd, Porterville, CA 93257. The listed phone number is (559) 793-2677.

What is Nallathamby Thayapran, MD, Inc.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Nallathamby Thayapran, MD, Inc. enrolled in Medicare?

Yes. Nallathamby Thayapran, MD, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Nallathamby Thayapran, MD, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians, all in Cardiovascular Disease (Cardiology), reassign their Medicare billing to Nallathamby Thayapran, MD, 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. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Nallathamby Thayapran, MD, Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D1083459) is associated with this NPI, valid through May 1, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Nallathamby Thayapran, MD, Inc. was last updated on February 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.