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AMIR A HASSAN MD, PA
NPI 1194819136
Internal Medicine - Endocrinology, Diabetes & Metabolism in Houston, TX

Active since October 03, 2006CLIA 45D0940668 · Waiver
11914 ASTORIA BLVD, SUITE 330, HOUSTON, TX 77089(281) 922-4000(281) 922-4242 Get Directions Write a Review

NPPES record last updated: October 23, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Amir A Hassan Md, Pa NPPES

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

AMIR A HASSAN MD, PA (NPI 1194819136) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Houston, Texas and active in the NPI registry since October 2006. The organization holds a CLIA Waiver certificate valid through February 12, 2028 and lists Debbie Stinebower, Accounts Receivable, as its authorized official.

NPPES Registry Identity

NPI1194819136
Entity TypeOrganization
Primary Taxonomy207RE0101X
Legal Business NameAMIR A HASSAN MD, PA
Location Address11914 ASTORIA BLVD, SUITE 330Houston, TX 77089
Mailing Address11914 Astoria Blvd, Suite 330Houston, TX 77089 · (281) 922-4000 · Fax (281) 922-4242
Phone(281) 922-4000
Fax(281) 922-4242
Organization SubpartNo
Authorized OfficialDebbie StinebowerAccounts Receivable · (281) 922-4000
Enumeration DateOctober 3, 2006
Last NPPES UpdateOctober 23, 2007
✔ NPI 1194819136 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
11914 ASTORIA BLVD, Houston, TX 77089
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Other Identifiers 1

Medicare PIN00189VTX

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

Amir A Hassan Md, Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Amir A Hassan MD, PA, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Nadeem Tajuddin
Endocrinology
NPI 1063830230
11914 ASTORIA BLVD STE 330
Houston, TX 77089
(281) 922-4000
✔ PECOS✔ Accepts MedicareSame address
Amir Hassan, M.D. P.A.
Endocrinology
NPI 1548357312
11914 ASTORIA BLVD. #330
Houston, TX 77089
(281) 922-4000
✔ PECOS✔ Accepts Medicare

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 45D0940668

Amir Hassan, MD · Houston, TX
Active · expires Feb 12, 2028
CLIA Number45D0940668
Laboratory TypePhysician Office
Certificate Effective DateFebruary 13, 2026
Certificate Expiration DateFebruary 12, 2028
Laboratory DirectorAmir A. Hassan
Laboratory Phone(281) 922-4000
Laboratory LocationAmir Hassan, MD11914 Astoria #330, Houston, TX 77089
CLIA data matches this NPI record on: 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 Amir A Hassan MD, PA's NPI number?

The NPI number for Amir A Hassan MD, PA is 1194819136. It was assigned to this organization in the NPPES registry on October 3, 2006.

Where is Amir A Hassan MD, PA located?

Amir A Hassan MD, PA is located at 11914 Astoria Blvd Suite 330, Houston, TX 77089. The listed phone number is (281) 922-4000.

What is Amir A Hassan MD, PA's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Amir A Hassan MD, PA enrolled in Medicare?

Yes. Amir A Hassan MD, PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Amir A Hassan MD, PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Endocrinology, reassign their Medicare billing to Amir A Hassan MD, PA. 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 Amir A Hassan MD, PA hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D0940668) is associated with this NPI, valid through February 12, 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 Amir A Hassan MD, PA was last updated on October 23, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.