ANNA OBERNDORF NP
NPI 1841798980
Nurse Practitioner - Primary Care in New York, NY
About Anna Oberndorf Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANNA OBERNDORF NP (NPI 1841798980) is an individual primary care provider in New York, New York, licensed in New York (42-2650135) and active in the NPI registry since January 2018. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Anna Oberndorf Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Anna Oberndorf reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brooklyn, NY 11201
- Reassigned Medicare billing, New York enrollment
- 101 clinicians in this Medicare group
New York, NY 10017
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: One Medical Of Ny PC
- 139 clinicians in this Medicare group
New York, NY 10019
- Reassigned Medicare billing, New York enrollment
- 99 clinicians in this Medicare group
New York, NY 10025
- Reassigned Medicare billing, New York enrollment
- 5,251 clinicians in this Medicare group
New York, NY 10032
- Reassigned Medicare billing, New York enrollment
- 3,922 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 10281 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10281
NEW YORK, NY 10281
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 Anna Oberndorf's NPI number?
The NPI number for Anna Oberndorf is 1841798980. It was assigned to this individual provider in the NPPES registry on January 23, 2018.
Where is Anna Oberndorf located?
Anna Oberndorf practices at 250 Vesey St Fl 18, New York, NY 10281. The listed phone number is (646) 979-9798.
What is Anna Oberndorf's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.
Is Anna Oberndorf enrolled in Medicare?
Yes. Anna Oberndorf is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Anna Oberndorf's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anna Oberndorf reassigns Medicare benefits to 5 organizations: Icahn School Of Medicine At Mount Sinai (Brooklyn, NY), One Medical Of Ny, P.C. (New York, NY), Mount Sinai School Of Medicine (New York, NY), Montefiore Medical Center (New York, NY) and Trustees Of Columbia University In The City Of New York (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 Anna Oberndorf'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 Anna Oberndorf was last updated on July 27, 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.
# Anna Oberndorf, NP · NPI 1841798980
Primary Care physician in New York, New York. Individual provider, active in the CMS NPPES registry since January 23, 2018.
## Identity
- **NPI:** 1841798980 (Entity type: Individual)
- **Enumerated:** January 23, 2018
- **Primary specialty:** Nurse Practitioner - Primary Care · taxonomy 363LP2300X
- **State license:** 42-2650135 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 250 VESEY ST FL 18, New York, NY 10281-1053
- **Phone:** (646) 979-9798 · **Fax:** (844) 749-3684
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Icahn School Of Medicine At Mount Sinai (NPI 1255719563, Brooklyn, NY); One Medical Of Ny, P.C. (NPI 1861709487, New York, NY); Mount Sinai School Of Medicine (NPI 1528538774, New York, NY); Montefiore Medical Center (NPI 1760288278, New York, NY); Trustees Of Columbia University In The City Of New York (NPI 1477068971, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 27, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1841798980) · Data from the CMS NPPES public registry.