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KREKOR A TOMASSIAN MD A PROF CORP
NPI 1700109519
Family Medicine - Geriatric Medicine in Glendora, CA

Active since March 08, 2010
415 W ROUT 66, 201, GLENDORA, CA 91740(626) 963-0900(626) 963-9663 Get Directions Write a Review

NPPES record last updated: December 20, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Krekor A Tomassian Md A Prof Corp NPPES

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

KREKOR A TOMASSIAN MD A PROF CORP (NPI 1700109519) is a healthcare organization registered as a geriatric medicine in Glendora, California and active in the NPI registry since March 2010. The organization lists Krekor A Tomassian, Physician, as its authorized official.

NPPES Registry Identity

NPI1700109519
Entity TypeOrganization
Primary Taxonomy207QG0300X
Legal Business NameKREKOR A TOMASSIAN MD A PROF CORP
Location Address415 W ROUT 66, 201Glendora, CA 91740
Mailing Address415 W Rout 66, 201Glendora, CA 91740 · (626) 963-0900 · Fax (626) 963-9663
Phone(626) 963-0900
Fax(626) 963-9663
Organization SubpartNo
Authorized OfficialKrekor A TomassianPhysician · (626) 963-0900
Enumeration DateMarch 8, 2010
Last NPPES UpdateDecember 20, 2010
✔ NPI 1700109519 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QG0300X
Definition
A family medicine physician with special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes, and the hospital.
415 W ROUT 66, Glendora, CA 91740
Open in Google Maps ↗

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Krekor A Tomassian Md A Prof Corp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by February 28, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20110104000172Non-DME Part B · Clinic/Group PracticeDue dateFebruary 28, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Krekor A Tomassian MD A Prof Corp, which bills Medicare for the services this clinician delivers.

Clinician (1)

Krekor Tomassian, MD
General Practice
NPI 1891807673
415 W ROUTE 66 #201
Glendora, CA 91740
(626) 963-0900
✔ PECOSSame 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 Krekor A Tomassian MD A Prof Corp's NPI number?

The NPI number for Krekor A Tomassian MD A Prof Corp is 1700109519. It was assigned to this organization in the NPPES registry on March 8, 2010.

Where is Krekor A Tomassian MD A Prof Corp located?

Krekor A Tomassian MD A Prof Corp is located at 415 W Rout 66 201, Glendora, CA 91740. The listed phone number is (626) 963-0900.

What is Krekor A Tomassian MD A Prof Corp's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Geriatric Medicine, with taxonomy code 207QG0300X.

Is Krekor A Tomassian MD A Prof Corp enrolled in Medicare?

Yes. Krekor A Tomassian MD A Prof Corp is registered in the Medicare PECOS enrollment system.

When is Krekor A Tomassian MD A Prof Corp's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Krekor A Tomassian MD A Prof Corp?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (General Practice) reassigns their Medicare billing to Krekor A Tomassian MD A Prof Corp. 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 Krekor A Tomassian MD A Prof Corp was last updated on December 20, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.