DR. GREGORY EDMUND KERR M.D., M.B.A.
NPI 1700897840
Anesthesiology - Critical Care Medicine in New York, NY
About Dr. Gregory Edmund Kerr M.d., M.b.a. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GREGORY EDMUND KERR M.D., M.B.A. (NPI 1700897840) is an individual critical care medicine provider in New York, New York, licensed in New York (172827) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Harlem Hospital Center, and is a graduate of New York University School Of Medicine (1983).
NPPES Registry Identity
Specialties & Licenses 2
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 and accepts Medicare assignment
Dr. Gregory Edmund Kerr M.d., M.b.a. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Gregory Kerr 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 10037
- Reassigned Medicare billing, New York enrollment
- 2,094 clinicians in this Medicare group
New York, NY 10037
- Reassigned Medicare billing, New York enrollment
- 676 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Harlem Hospital Center
Acute Care Hospitals · New York, NYFrequently 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 Gregory Kerr's NPI number?
The NPI number for Gregory Kerr is 1700897840. It was assigned to this individual provider in the NPPES registry on August 11, 2006.
Where is Gregory Kerr located?
Gregory Kerr practices at 506 Lenox Ave Ste 3132, New York, NY 10037. The listed phone number is (212) 939-1840.
What is Gregory Kerr's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Critical Care Medicine, with taxonomy code 207LC0200X.
Is Gregory Kerr enrolled in Medicare?
Yes. Gregory Kerr is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Gregory Kerr's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Kerr reassigns Medicare benefits to 2 organizations: Physician Affiliate Group Of New York PC (New York, NY) and Harlem Medical Associates PC (New York, NY). 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 Gregory Kerr's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Gregory Kerr affiliated with any hospitals?
According to CMS data, Gregory Kerr is affiliated with Harlem Hospital Center.
When was this NPI record last updated?
The NPPES record for Gregory Kerr was last updated on November 15, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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. Gregory Edmund Kerr, M.D., M.B.A. · NPI 1700897840
Critical Care Medicine physician in New York, New York. Individual provider, active in the CMS NPPES registry since August 11, 2006.
## Identity
- **NPI:** 1700897840 (Entity type: Individual)
- **Enumerated:** August 11, 2006
- **Primary specialty:** Anesthesiology - Critical Care Medicine · taxonomy 207LC0200X
- **State license:** 172827 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 506 LENOX AVE STE 3132, New York, NY 10037-1802
- **Phone:** (212) 939-1840
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **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): Physician Affiliate Group Of New York PC (NPI 1013375526, New York, NY); Harlem Medical Associates PC (NPI 1487957692, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York University School Of Medicine, class of 1983
## Record status
- **NPPES last updated:** November 15, 2016
- **Other identifiers:** Medicare ID-Type Unspecified W23571 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1700897840) · Data from the CMS NPPES public registry.