DR. KAROLYN R KERR MD
NPI 1639143324
Radiology - Diagnostic Radiology in New York, NY
About Dr. Karolyn R Kerr Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KAROLYN R KERR MD (NPI 1639143324) is an individual diagnostic radiology provider in New York, New York, licensed in New York (205509) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS and is a graduate of Boston University School Of Medicine (1995).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 4
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. Karolyn R Kerr Md 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
5Medicare enrollment records show Karolyn Kerr reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10021
- Reassigned Medicare billing, Connecticut and New York enrollments
- 5 clinicians in this Medicare group
New City, NY 10956
- Reassigned Medicare billing, New York enrollment
- 210 clinicians in this Medicare group
Newark, DE 19713
- Reassigned Medicare billing, Connecticut enrollment
- 2 clinicians in this Medicare group
Silver Spring, MD 20904
- Reassigned Medicare billing, Connecticut enrollment
Prince Frederick, MD 20678
- Reassigned Medicare billing, Connecticut enrollment
- 2 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.
Areas of Expertise CMS Part B claims 16
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10017 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES
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 Karolyn Kerr's NPI number?
The NPI number for Karolyn Kerr is 1639143324. It was assigned to this individual provider in the NPPES registry on February 17, 2006.
Where is Karolyn Kerr located?
Karolyn Kerr practices at 751 2nd Ave, New York, NY 10017. The listed phone number is (212) 599-5555.
What is Karolyn Kerr's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Karolyn Kerr enrolled in Medicare?
Yes. Karolyn 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 Karolyn Kerr's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karolyn Kerr reassigns Medicare benefits to 5 organizations: Lenox Hill Radiology & Medical Imaging Associates, PC (New York, NY), Hudson Valley Radiology Associates PLLC (New City, NY), Delaware Radiology Associates PA (Newark, DE), Community Radiology Associates Inc (Silver Spring, MD) and Maryland Imaging Network PC (Prince Frederick, MD). 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 Karolyn Kerr'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 Karolyn Kerr was last updated on August 22, 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.
# Dr. Karolyn R Kerr, MD · NPI 1639143324
Diagnostic Radiology physician in New York, New York. Individual provider, active in the CMS NPPES registry since February 17, 2006.
## Identity
- **NPI:** 1639143324 (Entity type: Individual)
- **Enumerated:** February 17, 2006
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 205509 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 751 2ND AVE, New York, NY 10017-5906
- **Phone:** (212) 599-5555 · **Fax:** (212) 599-5554
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Lenox Hill Radiology & Medical Imaging Associates, PC (NPI 1821036807, New York, NY); Hudson Valley Radiology Associates PLLC (NPI 1174574115, New City, NY); Delaware Radiology Associates PA (NPI 1740706175, Newark, DE); Community Radiology Associates Inc (NPI 1396707782, Silver Spring, MD); Maryland Imaging Network PC (NPI 1487296471, Prince Frederick, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Boston University School Of Medicine, class of 1995
## Record status
- **NPPES last updated:** August 22, 2008
- **Other identifiers:** Medicaid 0126071 (NJ); Medicaid 02102569 (NY); Medicare PIN 97870XQTY1 (NY); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1639143324) · Data from the CMS NPPES public registry.