GEORGE HAROUTIOUNIAN, M.D., P.C.
NPI 1396918553
Internal Medicine - Gastroenterology in New York, NY
About George Haroutiounian, M.d., P.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GEORGE HAROUTIOUNIAN, M.D., P.C. (NPI 1396918553) is a healthcare organization registered as a gastroenterology in New York, New York and active in the NPI registry since April 2008. The organization lists George Haroutiounian, Authorized Agent, 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)
George Haroutiounian, M.d., P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by December 31, 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.
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to George Haroutiounian, M.D., P.C., 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 George Haroutiounian, M.D., P.C.'s NPI number?
The NPI number for George Haroutiounian, M.D., P.C. is 1396918553. It was assigned to this organization in the NPPES registry on April 9, 2008.
Where is George Haroutiounian, M.D., P.C. located?
George Haroutiounian, M.D., P.C. is located at 25 Central Park W Suite 1-Z, New York, NY 10023. The listed phone number is (212) 307-1581.
What is George Haroutiounian, M.D., P.C.'s specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is George Haroutiounian, M.D., P.C. enrolled in Medicare?
Yes. George Haroutiounian, M.D., P.C. is registered in the Medicare PECOS enrollment system.
When is George Haroutiounian, M.D., P.C.'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 December 31, 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 George Haroutiounian, M.D., P.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to George Haroutiounian, M.D., P.C., in Anesthesiology and Gastroenterology. 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 George Haroutiounian, M.D., P.C. was last updated on April 10, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# George Haroutiounian, M.d., P.c. · NPI 1396918553
Gastroenterology organization in New York, New York. Organization record, active in the CMS NPPES registry since April 9, 2008.
## Identity
- **NPI:** 1396918553 (Entity type: Organization)
- **Enumerated:** April 9, 2008
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Organization subpart:** No
- **Authorized official:** George Haroutiounian, AUTHORIZED AGENT
## Practice location
- **Address:** 25 CENTRAL PARK W, SUITE 1-Z, New York, NY 10023-7253
- **Phone:** (212) 307-1581
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** December 31, 2026 (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: Anesthesiology (1), Gastroenterology (1); 1 practice at this address and 2 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 10, 2008
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Source: [NPI Profile](https://npiprofile.com/npi/1396918553) · Data from the CMS NPPES public registry.