Mary Schaeffer, NP
NPI 1396984787 · Psychiatric/Mental Health Nurse Practitioner · New York, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Schaeffer, NP is a Psychiatric/Mental Health Nurse Practitioner provider in New York, NY (NPI 1396984787).
Provider details
- NPI number
- 1396984787
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- F-401179 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-02-10
- Last updated
- 2013-05-22
Frequently asked questions
- What is Mary Schaeffer's NPI number?
- Mary Schaeffer's National Provider Identifier (NPI) is 1396984787, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Schaeffer's specialty?
- Mary Schaeffer is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Schaeffer located?
- Mary Schaeffer's practice location on file with NPPES is 423 E 23rd St, New York, NY 10010-5011.
- What is Mary Schaeffer's phone number?
- The practice phone number listed in the NPPES registry for Mary Schaeffer is (212) 686-7500.
- Does Mary Schaeffer accept Medicare?
- Mary Schaeffer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Schaeffer's NPI active?
- Yes — Mary Schaeffer's NPI (1396984787) is active in the NPPES registry as of the last update on 2013-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.