MR. GREGORY ANYINAM OBIWUMA PMHNP
NPI 1164052692
Nurse Practitioner - Psychiatric/Mental Health in Washington, DC
About Mr. Gregory Anyinam Obiwuma Pmhnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. GREGORY ANYINAM OBIWUMA PMHNP (NPI 1164052692) is an individual psychiatric/mental health provider in Washington, District Of Columbia, licensed in District Of Columbia (NP1016444) and active in the NPI registry since January 2020. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 1
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
Mr. Gregory Anyinam Obiwuma Pmhnp 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
3Medicare enrollment records show Gregory Obiwuma reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20002
- Reassigned Medicare billing, District of Columbia enrollment
- 2 clinicians in this Medicare group
Clinton, MD 20735
- Reassigned Medicare billing, District of Columbia enrollment
- 6 clinicians in this Medicare group
Durham, NC 27701
- Reassigned Medicare billing, District of Columbia enrollment
- 18 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 20002 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WASHINGTON, DC 20002
WASHINGTON, DC 20002
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 Gregory Obiwuma's NPI number?
The NPI number for Gregory Obiwuma is 1164052692. It was assigned to this individual provider in the NPPES registry on January 23, 2020.
Where is Gregory Obiwuma located?
Gregory Obiwuma practices at 1818 New York Ave NE Ste 233, Washington, DC 20002. The listed phone number is (202) 706-4428.
What is Gregory Obiwuma's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Gregory Obiwuma enrolled in Medicare?
Yes. Gregory Obiwuma 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 Gregory Obiwuma's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Obiwuma reassigns Medicare benefits to 3 organizations: New Era Recovery And Behavioral Health LLC (Washington, DC), Privium Consultants LLC (Clinton, MD) and Mental Health Specialty Group PA (Durham, NC). 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 Gregory Obiwuma'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 Gregory Obiwuma was last updated on December 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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. Gregory Anyinam Obiwuma, PMHNP · NPI 1164052692
Psychiatric/Mental Health physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since January 23, 2020.
## Identity
- **NPI:** 1164052692 (Entity type: Individual)
- **Enumerated:** January 23, 2020
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** NP1016444 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 1818 NEW YORK AVE NE STE 233, Washington, DC 20002-1848
- **Phone:** (202) 706-4428 · **Fax:** (800) 648-0573
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): New Era Recovery And Behavioral Health LLC (NPI 1558025726, Washington, DC); Privium Consultants LLC (NPI 1386171510, Clinton, MD); Mental Health Specialty Group PA (NPI 1801472634, Durham, NC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** December 11, 2024
- **Other identifiers:** Medicaid 2407922 (DC)
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Source: [NPI Profile](https://npiprofile.com/npi/1164052692) · Data from the CMS NPPES public registry.