MS. CATHERINE OSSEI AGPC-NP
NPI 1003311721
Nurse Practitioner - Primary Care in New York, NY
About Ms. Catherine Ossei Agpc-np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. CATHERINE OSSEI AGPC-NP (NPI 1003311721) is an individual primary care provider in New York, New York, licensed in New York (0079279) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2018).
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 and accepts Medicare assignment
Ms. Catherine Ossei Agpc-np 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 Catherine Ossei reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New City, NY 10956
- Reassigned Medicare billing, New York enrollment
- 19 clinicians in this Medicare group
Princess Anne, MD 21853
- Reassigned Medicare billing, New York enrollment
- 325 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 7
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 10065 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.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES
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 Catherine Ossei's NPI number?
The NPI number for Catherine Ossei is 1003311721. It was assigned to this individual provider in the NPPES registry on March 26, 2018.
Where is Catherine Ossei located?
Catherine Ossei practices at 695 Park Ave, New York, NY 10065. The listed phone number is (212) 772-4000.
What is Catherine Ossei's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.
Is Catherine Ossei enrolled in Medicare?
Yes. Catherine Ossei 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 Catherine Ossei's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Ossei reassigns Medicare benefits to 2 organizations: Patriot Medical (New City, NY) and Medical Director Services PC (Princess Anne, MD). 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 Catherine Ossei'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 Catherine Ossei was last updated on January 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Ms. Catherine Ossei, AGPC-NP · NPI 1003311721
Primary Care physician in New York, New York. Individual provider, active in the CMS NPPES registry since March 26, 2018.
## Identity
- **NPI:** 1003311721 (Entity type: Individual)
- **Enumerated:** March 26, 2018
- **Primary specialty:** Nurse Practitioner - Primary Care · taxonomy 363LP2300X
- **State license:** 0079279 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 695 PARK AVE, New York, NY 10065-5024
- **Phone:** (212) 772-4000
## 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): Patriot Medical (NPI 1952946931, New City, NY); Medical Director Services PC (NPI 1871955807, Princess Anne, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** January 29, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1003311721) · Data from the CMS NPPES public registry.