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ALEX HARRISON, M.D., INC.
NPI 1497995401
Internal Medicine - Cardiovascular Disease in Santa Maria, CA

Active since March 03, 2009
1510 E MAIN ST, STE 101, SANTA MARIA, CA 93454(805) 928-0610 Get Directions Write a Review

NPPES record last updated: February 22, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Alex Harrison, M.d., Inc. NPPES

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

ALEX HARRISON, M.D., INC. (NPI 1497995401) is a healthcare organization registered as a cardiovascular disease in Santa Maria, California and active in the NPI registry since March 2009. The organization lists Alexander T Harrison, President, as its authorized official.

NPPES Registry Identity

NPI1497995401
Entity TypeOrganization
Primary Taxonomy207RC0000X
Legal Business NameALEX HARRISON, M.D., INC.
Location Address1510 E MAIN ST, STE 101Santa Maria, CA 93454-4826
Mailing Address1510 E Main St, Ste 101Santa Maria, CA 93454-4826 · (805) 928-0610
Phone(805) 928-0610
Organization SubpartNo
Authorized OfficialAlexander T HarrisonPresident · (805) 928-0610
Enumeration DateMarch 3, 2009
Last NPPES UpdateFebruary 22, 2012
✔ NPI 1497995401 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 · A89322
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.
1510 E MAIN ST, Santa Maria, CA 93454
Open in Google Maps ↗

Other Identifiers 2

Medicaid1497995401CA
Medicare PINCD848ACA

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)

Alex Harrison, 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 Alex Harrison, M.D., Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Alexander Harrison, MD
Cardiovascular Disease (Cardiology)
NPI 1396934188
1510 E MAIN ST SUITE 101
Santa Maria, CA 93454
(805) 928-0610
✔ 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 Alex Harrison, M.D., Inc.'s NPI number?

The NPI number for Alex Harrison, M.D., Inc. is 1497995401. It was assigned to this organization in the NPPES registry on March 3, 2009.

Where is Alex Harrison, M.D., Inc. located?

Alex Harrison, M.D., Inc. is located at 1510 E Main St Ste 101, Santa Maria, CA 93454. The listed phone number is (805) 928-0610.

What is Alex Harrison, M.D., Inc.'s specialty?

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

Is Alex Harrison, M.D., Inc. enrolled in Medicare?

Yes. Alex Harrison, M.D., Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Alex Harrison, M.D., Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Cardiovascular Disease (Cardiology)) reassigns their Medicare billing to Alex Harrison, 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 Alex Harrison, M.D., Inc. was last updated on February 22, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.