DR. MARY M GRATCH MD
NPI 1174611826
Obstetrics & Gynecology in New York, NY
About Dr. Mary M Gratch Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARY M GRATCH MD (NPI 1174611826) is an individual obstetrics & gynecology provider in New York, New York, licensed in New York (200676) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Bronx, and is a graduate of State University Of New York At Stony Brook, School Of Medicine (1993).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Mary M Gratch Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Mary Gratch reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10025
- Reassigned Medicare billing, New York enrollment
- 5,251 clinicians in this Medicare group
Boynton Beach, FL 33426
- Reassigned Medicare billing, New York enrollment
- 7,712 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10016 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Mary Gratch's NPI number?
The NPI number for Mary Gratch is 1174611826. It was assigned to this individual provider in the NPPES registry on October 10, 2006.
Where is Mary Gratch located?
Mary Gratch practices at 38 E 32nd St Fl 4, New York, NY 10016. The listed phone number is (212) 683-3595.
What is Mary Gratch's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Mary Gratch enrolled in Medicare?
Yes. Mary Gratch is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mary Gratch's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Gratch reassigns Medicare benefits to 2 organizations: Montefiore Medical Center (New York, NY) and New York University (Boynton Beach, FL). Each 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 Mary Gratch's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mary Gratch was last updated on April 6, 2021. 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.
# Dr. Mary M Gratch, MD · NPI 1174611826
Obstetrics & Gynecology physician in New York, New York. Individual provider, active in the CMS NPPES registry since October 10, 2006.
## Identity
- **NPI:** 1174611826 (Entity type: Individual)
- **Enumerated:** October 10, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 200676 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 38 E 32ND ST FL 4, New York, NY 10016-5567
- **Phone:** (212) 683-3595
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Montefiore Medical Center (NPI 1760288278, New York, NY); New York University (NPI 1285826438, Boynton Beach, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York At Stony Brook, School Of Medicine, class of 1993
## Record status
- **NPPES last updated:** April 6, 2021
- **Other identifiers:** Medicaid 01780212 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1174611826) · Data from the CMS NPPES public registry.