MR. OSCAR OLIVER BAKER PMHNP-BC
NPI 1720879455
Nurse Practitioner - Psychiatric/Mental Health in New York, NY
About Mr. Oscar Oliver Baker Pmhnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. OSCAR OLIVER BAKER PMHNP-BC (NPI 1720879455) is an individual psychiatric/mental health provider in New York, New York, licensed in New York (406721) and active in the NPI registry since May 2025. He is enrolled in Medicare PECOS, maintains a secondary practice location in Whitesboro, and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mr. Oscar Oliver Baker Pmhnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Oscar Oliver Baker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brooklyn, NY 11208
- Reassigned Medicare billing, New York enrollment
- 35 clinicians in this Medicare group
Whitesboro, NY 13492
- Reassigned Medicare billing, New York enrollment
- 13 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 10018 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.
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 Oscar Oliver Baker's NPI number?
The NPI number for Oscar Oliver Baker is 1720879455. It was assigned to this individual provider in the NPPES registry on May 13, 2025.
Where is Oscar Oliver Baker located?
Oscar Oliver Baker practices at 301 W 37th St Fl 4, New York, NY 10018. The listed phone number is (212) 465-8304.
What is Oscar Oliver Baker's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Oscar Oliver Baker enrolled in Medicare?
Yes. Oscar Oliver Baker is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Oscar Oliver Baker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Oscar Oliver Baker reassigns Medicare benefits to 2 organizations: Housing Works Health Services III, Inc. (Brooklyn, NY) and New Hartford Psychiatric Services PLLC (Whitesboro, 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 Oscar Oliver Baker'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 Oscar Oliver Baker was last updated on September 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Mr. Oscar Oliver Baker, PMHNP-BC · NPI 1720879455
Psychiatric/Mental Health physician in New York, New York. Individual provider, active in the CMS NPPES registry since May 13, 2025.
## Identity
- **NPI:** 1720879455 (Entity type: Individual)
- **Enumerated:** May 13, 2025
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 406721 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 301 W 37TH ST FL 4, New York, NY 10018-4228
- **Phone:** (212) 465-8304
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Housing Works Health Services III, Inc. (NPI 1114950151, Brooklyn, NY); New Hartford Psychiatric Services PLLC (NPI 1619004355, Whitesboro, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** September 15, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1720879455) · Data from the CMS NPPES public registry.