Eric Karp, MD
NPI 1811972607 · Radiation Oncology Physician · Rahway, NJ
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Karp, MD is a Radiation Oncology Physician provider in Rahway, NJ (NPI 1811972607).
Provider details
- NPI number
- 1811972607
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25MA05583800 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
4,479 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Intensity Modulated Treatment Delivery, Single Or Multiple Fields/Arcs,via Narrow Spatially and Temporally Modulated Beams, Binary, Dynamic Mlc, Per Treatment SessionG6015 | 1,027 | $408 |
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 937 | $129 |
| Radiation Treatment Delivery,3 Or More Separate Treatment Areas, Custom Blocking, Tangential Ports, Wedges, Rotational Beam, Compensators, Electron Beam; 6-10 MevG6012 | 707 | $263 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 375 | $205 |
| Continuing Radiation Therapy Consultation Per Week77336 | 352 | $102 |
| Calculation of Radiation Therapy Dose77300 | 333 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-14
- Last updated
- 2014-12-09
Frequently asked questions
- What is Eric Karp's NPI number?
- Eric Karp's National Provider Identifier (NPI) is 1811972607, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Karp's specialty?
- Eric Karp is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Karp located?
- Eric Karp's practice location on file with NPPES is 892 Trussler Place, Rahway, NJ 07065.
- What is Eric Karp's phone number?
- The practice phone number listed in the NPPES registry for Eric Karp is (732) 382-5550.
- Does Eric Karp accept Medicare?
- Eric Karp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Karp's NPI active?
- Yes — Eric Karp's NPI (1811972607) is active in the NPPES registry as of the last update on 2014-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.