DR. PETER RICHARD HALPER MD
NPI 1821011198
Internal Medicine in New York, NY
About Dr. Peter Richard Halper Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PETER RICHARD HALPER MD (NPI 1821011198) is an individual internal medicine provider in New York, New York, licensed in New York (156648) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Peter Richard Halper Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Peter Halper 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 10016
- Reassigned Medicare billing, New York enrollment
- 346 clinicians in this Medicare group
New York, NY 10011
- Reassigned Medicare billing, New York enrollment
- 309 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10022 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10022
NEW YORK, NY 10022
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 Peter Halper's NPI number?
The NPI number for Peter Halper is 1821011198. It was assigned to this individual provider in the NPPES registry on July 26, 2006.
Where is Peter Halper located?
Peter Halper practices at 400 E 54th St, New York, NY 10022. The listed phone number is (212) 588-0400.
What is Peter Halper's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Peter Halper enrolled in Medicare?
Yes. Peter Halper is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Peter Halper's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Halper reassigns Medicare benefits to 2 organizations: Icahn School Of Medicine At Mount Sinai (New York, NY) and Icahn School Of Medicine At Mount Sinai (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 Peter Halper'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 Peter Halper was last updated on August 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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. Peter Richard Halper, MD · NPI 1821011198
Internal Medicine physician in New York, New York. Individual provider, active in the CMS NPPES registry since July 26, 2006.
## Identity
- **NPI:** 1821011198 (Entity type: Individual)
- **Enumerated:** July 26, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 156648 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 400 E 54TH ST, New York, NY 10022-5164
- **Phone:** (212) 588-0400 · **Fax:** (212) 355-2300
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Icahn School Of Medicine At Mount Sinai (NPI 1568868834, New York, NY); Icahn School Of Medicine At Mount Sinai (NPI 1568841930, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 20, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1821011198) · Data from the CMS NPPES public registry.