Karolyn Kerr, MD
NPI 1639143324 · Diagnostic Radiology Physician · New York, NY
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karolyn Kerr, MD is a Diagnostic Radiology Physician provider in New York, NY (NPI 1639143324).
Provider details
- NPI number
- 1639143324
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 205509 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,673 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Nuclear Medicine Study From Skull Base to Mid-Thigh With Ct Scan78815 | 830 | $1,419 |
| Fluorodeoxyglucose F-18 Fdg, Diagnostic, Per Study Dose, Up to 45 MillicuriesA9552 | 673 | $521 |
| Piflufolastat F-18, Diagnostic, 1 MillicurieA9595 | 351 | $651 |
| Nuclear Medicine Study Whole Body With Ct Scan78816 | 119 | $1,286 |
| Ct Scan of Chest With Contrast71260 | 103 | $181 |
| Nuclear Medicine Study Limited Area With Ct Scan78814 | 102 | $1,792 |
| Ct Scan of Abdomen and Pelvis With Contrast |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$15,630 across 20 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-17
- Last updated
- 2008-08-22
Frequently asked questions
- What is Karolyn Kerr's NPI number?
- Karolyn Kerr's National Provider Identifier (NPI) is 1639143324, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karolyn Kerr's specialty?
- Karolyn Kerr is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Karolyn Kerr located?
- Karolyn Kerr's practice location on file with NPPES is 751 2nd Ave, New York, NY 10017-5906.
- What is Karolyn Kerr's phone number?
- The practice phone number listed in the NPPES registry for Karolyn Kerr is (212) 599-5555.
- Does Karolyn Kerr accept Medicare?
- Karolyn Kerr is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karolyn Kerr's NPI active?
- Yes — Karolyn Kerr's NPI (1639143324) is active in the NPPES registry as of the last update on 2008-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.