MS. MARY SCHAEFFER NP
NPI 1396984787
Nurse Practitioner - Psychiatric/Mental Health in New York, NY
About Ms. Mary Schaeffer Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MARY SCHAEFFER NP (NPI 1396984787) is an individual psychiatric/mental health provider in New York, New York, licensed in New York (F-401179) and active in the NPI registry since February 2009. She 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)
Ms. Mary Schaeffer Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Mary Schaeffer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10002
- Reassigned Medicare billing, New York enrollment
- 1,615 clinicians in this Medicare group
New York, NY 10037
- Reassigned Medicare billing, New York enrollment
- 2,094 clinicians in this Medicare group
Brooklyn, NY 11235
- Reassigned Medicare billing, New York enrollment
- 638 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 10010 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 10010
NEW YORK, NY 10010
NEW YORK, NY 10010
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 Mary Schaeffer's NPI number?
The NPI number for Mary Schaeffer is 1396984787. It was assigned to this individual provider in the NPPES registry on February 10, 2009.
Where is Mary Schaeffer located?
Mary Schaeffer practices at 423 E 23rd St Patient Services, New York, NY 10010. The listed phone number is (212) 686-7500.
What is Mary Schaeffer's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Mary Schaeffer enrolled in Medicare?
Yes. Mary Schaeffer is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mary Schaeffer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Schaeffer reassigns Medicare benefits to 3 organizations: New York City Health And Hospitals Corporation (New York, NY), Physician Affiliate Group Of New York PC (New York, NY) and Coney Island Medical Practice Plan, P.C. (Brooklyn, 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 Mary Schaeffer'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 Mary Schaeffer was last updated on May 22, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Ms. Mary Schaeffer, NP · NPI 1396984787
Psychiatric/Mental Health physician in New York, New York. Individual provider, active in the CMS NPPES registry since February 10, 2009.
## Identity
- **NPI:** 1396984787 (Entity type: Individual)
- **Enumerated:** February 10, 2009
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** F-401179 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 423 E 23RD ST, PATIENT SERVICES, New York, NY 10010-5011
- **Phone:** (212) 686-7500
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): New York City Health And Hospitals Corporation (NPI 1497859573, New York, NY); Physician Affiliate Group Of New York PC (NPI 1013375526, New York, NY); Coney Island Medical Practice Plan, P.C. (NPI 1386951762, Brooklyn, NY) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 22, 2013
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Source: [NPI Profile](https://npiprofile.com/npi/1396984787) · Data from the CMS NPPES public registry.