KARASSI ENDOCRINOLOGY & INTERNAL MEDICINE PC
NPI 1346589991
Internal Medicine - Endocrinology, Diabetes & Metabolism in Birmingham, AL

Q: What is Karassi Endocrinology & Internal Medicine PC's specialty?

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

Active since February 01, 2013CLIA Certified · 2 labs

817 PRINCETON AVE SW, SUITE 308, BIRMINGHAM, AL 35211(205) 787-2669(205) 787-2865 Get Directions Write a Review

NPPES record last updated: July 8, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Karassi Endocrinology & Internal Medicine Pc NPPES

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

KARASSI ENDOCRINOLOGY & INTERNAL MEDICINE PC (NPI 1346589991) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Birmingham, Alabama and active in the NPI registry since February 2013. The organization holds 2 active CLIA laboratory certificates, maintains a secondary practice location in Birmingham, and lists Tina Pickens, Administrator, as its authorized official.

NPPES Registry Identity

NPI1346589991

Entity TypeOrganization

Primary Taxonomy207RE0101X

Legal Business NameKARASSI ENDOCRINOLOGY & INTERNAL MEDICINE PC

Location Address817 PRINCETON AVE SW, SUITE 308Birmingham, AL 35211-1333

Mailing AddressPo Box 36183Birmingham, AL 35236-6183 · (205) 787-2669 · Fax (205) 787-2865

Phone(205) 787-2669

Fax(205) 787-2865

Organization SubpartNo

Authorized OfficialTina PickensAdministrator · (205) 536-7242

Enumeration DateFebruary 1, 2013

Last NPPES UpdateJuly 8, 2026

NPPES CertifiedJuly 8, 2026

✔ NPI 1346589991 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.

817 PRINCETON AVE SW, Birmingham, AL 35211

Open in Google Maps ↗

Secondary Practice Location 1

Location 11904 Indian Lake DrBirmingham, AL 35244-2217 · Phone (205) 787-2669 · Fax (205) 624-3144

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)

Karassi Endocrinology & Internal Medicine Pc 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 Karassi Endocrinology & Internal Medicine PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Malek Karassi, M.D.

Endocrinology

NPI 1447273586

817 PRINCETON AVE. SW
Birmingham, AL 35211

(205) 787-2669

✔ 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.

CLIA Laboratory Certificates CMS CLIA 2

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 01D2156159

Karassi Endocrinology · Birmingham, AL

Active · expires Oct 10, 2028

CLIA Number01D2156159

Laboratory TypePhysician Office

Certificate Effective DateOctober 11, 2026

Certificate Expiration DateOctober 10, 2028

Laboratory DirectorMalek S. Karassi

Laboratory Phone(205) 787-2669

Laboratory LocationKarassi Endocrinology1904 Indian Lake Dr, Birmingham, AL 35244

CLIA data matches this NPI record on: Address Name Phone

This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 01D0665616

Karassi Endocrinology & Internal Med · Birmingham, AL

Active · expires Aug 5, 2027

CLIA Number01D0665616

Laboratory TypePhysician Office

Certificate Effective DateAugust 6, 2025

Certificate Expiration DateAugust 5, 2027

Laboratory DirectorMalek Karassi MD

Laboratory Phone(205) 787-2669

Laboratory LocationKarassi Endocrinology & Internal Med817 Princeton Ave SW Ste 308, Birmingham, AL 35211

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 Karassi Endocrinology & Internal Medicine PC's NPI number?

The NPI number for Karassi Endocrinology & Internal Medicine PC is 1346589991. It was assigned to this organization in the NPPES registry on February 1, 2013.

Where is Karassi Endocrinology & Internal Medicine PC located?

Karassi Endocrinology & Internal Medicine PC is located at 817 Princeton Ave SW Suite 308, Birmingham, AL 35211. The listed phone number is (205) 787-2669.

What is Karassi Endocrinology & Internal Medicine PC's specialty?

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

Is Karassi Endocrinology & Internal Medicine PC enrolled in Medicare?

Yes. Karassi Endocrinology & Internal Medicine PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Karassi Endocrinology & Internal Medicine PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Endocrinology) reassigns their Medicare billing to Karassi Endocrinology & Internal Medicine PC. 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.

Does Karassi Endocrinology & Internal Medicine PC hold CLIA laboratory certificates?

Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Karassi Endocrinology & Internal Medicine PC was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.