KHIZAR AHSAN MD PA
NPI 1699811737
Internal Medicine - Gastroenterology in Mcallen, TX

Active since January 29, 2007
252 LINDBERG AVE, MCALLEN, TX 78501(956) 627-3408(956) 627-3453 Get Directions Write a Review

NPPES record last updated: December 3, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Khizar Ahsan Md Pa NPPES

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

KHIZAR AHSAN MD PA (NPI 1699811737) is a healthcare organization registered as a gastroenterology in Mcallen, Texas and active in the NPI registry since January 2007. The organization lists Khizar Ahsan, President, as its authorized official.

NPPES Registry Identity

NPI1699811737
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameKHIZAR AHSAN MD PA
Location Address252 LINDBERG AVEMcallen, TX 78501-2920
Mailing AddressPo Box 2880Mission, TX 78573-0049 · (956) 627-3408 · Fax (956) 627-3453
Fax(956) 627-3453
Organization SubpartNo
Authorized OfficialKhizar AhsanPresident · (956) 627-3408
Enumeration DateJanuary 29, 2007
Last NPPES UpdateDecember 3, 2020
NPPES CertifiedDecember 3, 2020
✔ NPI 1699811737 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in TX · K5763
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedFamily MedicineTaxonomy 207Q00000X · License P1374 (TX)
252 LINDBERG AVE, Mcallen, TX 78501

Other Identifiers 2

Other0063MWTX · Bcbstx Provider Number
Medicaid174631501TX

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

Accepted Insurance

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)

Khizar Ahsan Md Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by November 30, 2026

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
StateTexasEnrollment IDO20050614001435Non-DME Part B · Clinic/Group PracticeDue dateNovember 30, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Khizar Ahsan MD PA, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Nurse Practitioner
NPI 1992310783
907 LINDBERG AVE STE 202
Mcallen, TX 78501
(956) 382-1644
✔ PECOS0.4 mi
Nurse Practitioner
NPI 1295392058
252 LINBERG AVE.
Mcallen, TX 78501
(956) 627-3408
✔ PECOS1.9 mi
Gastroenterology
NPI 1750399077
5342 E HWY 83, C1
Rio Grande City, TX 78582
(956) 488-9900
✔ PECOS✔ Accepts Medicare36 mi

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 Khizar Ahsan MD PA's NPI number?

The NPI number for Khizar Ahsan MD PA is 1699811737. It was assigned to this organization in the NPPES registry on January 29, 2007.

Where is Khizar Ahsan MD PA located?

Khizar Ahsan MD PA is located at 252 Lindberg Ave, Mcallen, TX 78501. The listed phone number is (956) 627-3408.

What is Khizar Ahsan MD PA's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Khizar Ahsan MD PA enrolled in Medicare?

Yes. Khizar Ahsan MD PA is registered in the Medicare PECOS enrollment system.

When is Khizar Ahsan MD PA'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 (Texas, Clinic/Group Practice) is due for revalidation by November 30, 2026. 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 Khizar Ahsan MD PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Khizar Ahsan MD PA, in Gastroenterology and Nurse Practitioner. 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, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Khizar Ahsan MD PA accept?

Health plans from Blue Cross and Blue Shield of Texas and WellPoint list Khizar Ahsan MD PA as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Khizar Ahsan MD PA was last updated on December 3, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.