ZAFAR K MIRZA GASTROENTEROLOGY PLLC
NPI 1013157460
Internal Medicine - Gastroenterology in Olean, NY
About Zafar K Mirza Gastroenterology Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ZAFAR K MIRZA GASTROENTEROLOGY PLLC (NPI 1013157460) is a healthcare organization registered as a gastroenterology in Olean, New York and active in the NPI registry since February 2009. The organization lists Zafar K Mirza, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
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)
Zafar K Mirza Gastroenterology Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by January 31, 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.
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Zafar K Mirza Gastroenterology PLLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.
Clinicians, nearest first (2)
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 Zafar K Mirza Gastroenterology PLLC's NPI number?
The NPI number for Zafar K Mirza Gastroenterology PLLC is 1013157460. It was assigned to this organization in the NPPES registry on February 25, 2009.
Where is Zafar K Mirza Gastroenterology PLLC located?
Zafar K Mirza Gastroenterology PLLC is located at 2223 W State St Suite 115, Olean, NY 14760. The listed phone number is (716) 372-5601.
What is Zafar K Mirza Gastroenterology PLLC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Zafar K Mirza Gastroenterology PLLC enrolled in Medicare?
Yes. Zafar K Mirza Gastroenterology PLLC is registered in the Medicare PECOS enrollment system.
When is Zafar K Mirza Gastroenterology PLLC'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 (New York, Clinic/Group Practice) is due for revalidation by January 31, 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 Zafar K Mirza Gastroenterology PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Zafar K Mirza Gastroenterology PLLC, in Internal Medicine 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, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Zafar K Mirza Gastroenterology PLLC was last updated on February 25, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Zafar K Mirza Gastroenterology Pllc · NPI 1013157460
Gastroenterology organization in Olean, New York. Organization record, active in the CMS NPPES registry since February 25, 2009.
## Identity
- **NPI:** 1013157460 (Entity type: Organization)
- **Enumerated:** February 25, 2009
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Organization subpart:** No
- **Authorized official:** Zafar Mirza, PRESIDENT
## Practice location
- **Address:** 2223 W STATE ST, SUITE 115, Olean, NY 14760-1938
- **Phone:** (716) 372-5601
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** January 31, 2027 (Non-DME Part B, New York, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 2 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (1), Nurse Practitioner (1); 1 practice at this address and 2 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 25, 2009
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Source: [NPI Profile](https://npiprofile.com/npi/1013157460) · Data from the CMS NPPES public registry.