ERINMARIE SULLIVAN MD
NPI 1427251982
Hospitalist in New York, NY
About Erinmarie Sullivan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERINMARIE SULLIVAN MD (NPI 1427251982) is an individual hospitalist provider in New York, New York, licensed in New York (238452) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS, is affiliated with Robert Wood Johnson University Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 1
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
Erinmarie Sullivan Md 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
5Medicare enrollment records show Erinmarie Sullivan reassigns Medicare billing to 5 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
- 769 clinicians in this Medicare group
Bronx, NY 10453
- Reassigned Medicare billing, New York enrollment
- 1,393 clinicians in this Medicare group
Bronx, NY 10461
- Reassigned Medicare billing, New York enrollment
- 1,054 clinicians in this Medicare group
Bronx, NY 10461
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Bronx Medical Practice PC
- 1,013 clinicians in this Medicare group
Somerset, NJ 08873
- Reassigned Medicare billing, New Jersey enrollment
- 1,557 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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Robert Wood Johnson University Hospital
Acute Care Hospitals · New Brunswick, NJJersey Shore University Medical Center
Acute Care Hospitals · Neptune, NJMonmouth Medical Center
Acute Care Hospitals · Long Branch, NJMount Sinai St Luke's Roosevelt Hospital
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10025 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10025
NEW YORK, NY 10025
NEW YORK, NY 10025
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 Erinmarie Sullivan's NPI number?
The NPI number for Erinmarie Sullivan is 1427251982. It was assigned to this individual provider in the NPPES registry on June 11, 2007.
Where is Erinmarie Sullivan located?
Erinmarie Sullivan practices at 1111 Amsterdam Ave, New York, NY 10025. The listed phone number is (212) 523-2900.
What is Erinmarie Sullivan's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Erinmarie Sullivan enrolled in Medicare?
Yes. Erinmarie Sullivan 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 Erinmarie Sullivan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erinmarie Sullivan reassigns Medicare benefits to 5 organizations: Icahn School Of Medicine At Mount Sinai (New York, NY), Essen Medical Associates, PC (Bronx, NY), House Call Medical Services Of New York, PLLC (Bronx, NY), Bronx Medical Practice P.C. (Bronx, NY) and Rwjbh Emergency Medicine Associates, LLC (Somerset, NJ). 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 Erinmarie Sullivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Erinmarie Sullivan accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Erinmarie Sullivan 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 Erinmarie Sullivan affiliated with any hospitals?
According to CMS data, Erinmarie Sullivan is affiliated with Robert Wood Johnson University Hospital, Jersey Shore University Medical Center, Monmouth Medical Center and Mount Sinai St Luke's Roosevelt Hospital.
When was this NPI record last updated?
The NPPES record for Erinmarie Sullivan was last updated on January 13, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Erinmarie Sullivan, MD · NPI 1427251982
Hospitalist physician in New York, New York. Individual provider, active in the CMS NPPES registry since June 11, 2007.
## Identity
- **NPI:** 1427251982 (Entity type: Individual)
- **Enumerated:** June 11, 2007
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 238452 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 1111 AMSTERDAM AVE, New York, NY 10025-1716
- **Phone:** (212) 523-2900 · **Fax:** (212) 523-2842
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Icahn School Of Medicine At Mount Sinai (NPI 1659639524, New York, NY); Essen Medical Associates, PC (NPI 1366418709, Bronx, NY); House Call Medical Services Of New York, PLLC (NPI 1851345946, Bronx, NY); Bronx Medical Practice P.C. (NPI 1356726087, Bronx, NY); Rwjbh Emergency Medicine Associates, LLC (NPI 1912510041, Somerset, NJ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** January 13, 2022
- **Other identifiers:** Medicaid 1427251982 (VA)
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Source: [NPI Profile](https://npiprofile.com/npi/1427251982) · Data from the CMS NPPES public registry.