JOHN HIMELFARB M.D.
NPI 1750352274
Radiology - Diagnostic Radiology in Levittown, NY
About John Himelfarb M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN HIMELFARB M.D. (NPI 1750352274) is an individual diagnostic radiology provider in Levittown, New York, licensed in New York (168462) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of State University Of New York Downstate Medical Center (1984).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
John Himelfarb M.d. 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 John Himelfarb 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 10021
- Reassigned Medicare billing, New York enrollment
- 302 clinicians in this Medicare group
New City, NY 10956
- Reassigned Medicare billing, New York enrollment
- 210 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 3
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 11756 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 3
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 John Himelfarb's NPI number?
The NPI number for John Himelfarb is 1750352274. It was assigned to this individual provider in the NPPES registry on February 1, 2006.
Where is John Himelfarb located?
John Himelfarb practices at 2950 Hempstead Tpke, Levittown, NY 11756. The listed phone number is (516) 520-3800.
What is John Himelfarb's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is John Himelfarb enrolled in Medicare?
Yes. John Himelfarb 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 John Himelfarb's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Himelfarb reassigns Medicare benefits to 2 organizations: Lenox Hill Radiology & Medical Imaging Associates, PC (New York, NY) and Hudson Valley Radiology Associates PLLC (New City, 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 John Himelfarb'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 John Himelfarb was last updated on April 30, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# John Himelfarb, M.D. · NPI 1750352274
Diagnostic Radiology physician in Levittown, New York. Individual provider, active in the CMS NPPES registry since February 1, 2006.
## Identity
- **NPI:** 1750352274 (Entity type: Individual)
- **Enumerated:** February 1, 2006
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 168462 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 2950 HEMPSTEAD TPKE, Levittown, NY 11756-1383
- **Phone:** (516) 520-3800 · **Fax:** (516) 520-3840
## 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): Lenox Hill Radiology & Medical Imaging Associates, PC (NPI 1821036807, New York, NY); Hudson Valley Radiology Associates PLLC (NPI 1174574115, New City, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York Downstate Medical Center, class of 1984
## Record status
- **NPPES last updated:** April 30, 2014
- **Other identifiers:** Medicaid 01341166 (NY); Medicare PIN 45F411 (NY); Medicare UPIN E94646 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1750352274) · Data from the CMS NPPES public registry.