PETER SCOTT RATTNER DO
NPI 1710203765
Internal Medicine - Critical Care Medicine in New York, NY
About Peter Scott Rattner Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PETER SCOTT RATTNER DO (NPI 1710203765) is an individual critical care medicine provider in New York, New York, licensed in West Virginia (4478) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS, is affiliated with St Peter's Hospital, and maintains 5 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 5
Accepted Insurance
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
Peter Scott Rattner Do 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
14Medicare enrollment records show Peter Rattner reassigns Medicare billing to 14 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 345 clinicians in this Medicare group
New York, NY 10025
- Reassigned Medicare billing, New York enrollment
- 346 clinicians in this Medicare group
Ephrata, PA 17522
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,902 clinicians in this Medicare group
Elkton, MD 21921
- Reassigned Medicare billing, District of Columbia enrollment
- 347 clinicians in this Medicare group
Slingerlands, NY 12159
- Reassigned Medicare billing, New York enrollment
- 742 clinicians in this Medicare group
Baltimore, MD 21239
- Reassigned Medicare billing, District of Columbia enrollment
- 3,530 clinicians in this Medicare group
Rockville, MD 20850
- Reassigned Medicare billing, District of Columbia enrollment
- 80 clinicians in this Medicare group
Plattsburgh, NY 12901
- Reassigned Medicare billing, New York enrollment
- 675 clinicians in this Medicare group
Malone, NY 12953
- Reassigned Medicare billing, New York enrollment
- 326 clinicians in this Medicare group
Erie, PA 16502
- Reassigned Medicare billing, Pennsylvania enrollment
- 483 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 10
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Peter's Hospital
Acute Care Hospitals · Albany, NYChamplain Valley Physicians Hospital Medical Ctr
Acute Care Hospitals · Plattsburgh, NYElizabethtown Community Hospital
Critical Access Hospitals · Elizabethtown, NYThe University Of Vermont Health Network-Alice Hy
Critical Access Hospitals · Malone, NYUpmc Hamot
Acute Care Hospitals · Erie, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10128 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Rattner's NPI number?
The NPI number for Peter Rattner is 1710203765. It was assigned to this individual provider in the NPPES registry on April 15, 2010.
Where is Peter Rattner located?
Peter Rattner practices at 50 E 89th St Apt 26A, New York, NY 10128. The listed phone number is (516) 662-1188.
What is Peter Rattner's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Peter Rattner enrolled in Medicare?
Yes. Peter Rattner 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 Peter Rattner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Rattner reassigns Medicare benefits to 14 organizations: Icahn School Of Medicine At Mount Sinai (New York, NY), Icahn School Of Medicine At Mount Sinai (New York, NY), Pinnacle Health Medical Services (Ephrata, PA), Usacs Integrated Acute Care Services Of Maryland, LLC (Elkton, MD), St. Peter's Health Partners Medical Associates, P.C. (Slingerlands, NY) and 9 more organizations, listed in the Medicare section above. 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 Rattner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Peter Rattner accept?
Health plans from Ambetter Health, Ambetter from Superior HealthPlan, Ambetter of Alabama, First Choice Next and Highmark Blue Cross Blue Shield West Virginia list Peter Rattner as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Peter Rattner affiliated with any hospitals?
According to CMS data, Peter Rattner is affiliated with St Peter's Hospital, Champlain Valley Physicians Hospital Medical Ctr, Elizabethtown Community Hospital, The University Of Vermont Health Network-Alice Hy and Upmc Hamot.
When was this NPI record last updated?
The NPPES record for Peter Rattner was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Peter Scott Rattner, DO · NPI 1710203765
Critical Care Medicine physician in New York, New York. Individual provider, active in the CMS NPPES registry since April 15, 2010.
## Identity
- **NPI:** 1710203765 (Entity type: Individual)
- **Enumerated:** April 15, 2010
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 4478 (West Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 50 E 89TH ST APT 26A, New York, NY 10128-1262
- **Phone:** (516) 662-1188
## 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:** 14 organizations under Medicare reassignment (form CMS-855R): Icahn School Of Medicine At Mount Sinai (NPI 1538407176, New York, NY); Icahn School Of Medicine At Mount Sinai (NPI 1548639156, New York, NY); Pinnacle Health Medical Services (NPI 1043978125, Ephrata, PA); Usacs Integrated Acute Care Services Of Maryland, LLC (NPI 1922598929, Elkton, MD); St. Peter's Health Partners Medical Associates, P.C. (NPI 1568707222, Slingerlands, NY); and 9 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York College Of Osteo Medicine Of New York Institute Of Technology, class of 2010
## Record status
- **NPPES last updated:** August 12, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1710203765) · Data from the CMS NPPES public registry.