Gregory Anyinam Obiwuma, PMHNP
Psychiatric/Mental Health Nurse Practitioner · Washington, DC
Gregory Anyinam Obiwuma, PMHNP is a psychiatric/mental health nurse practitioner with a practice address in Washington, District of Columbia, and NPI 1164052692, issued on Jan 23, 2020. Check the license (District of Columbia NP1016444, as entered in NPPES) with the District of Columbia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Anyinam Obiwuma
- Credential
- PMHNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License numbers
- NP1016444 DC
RN1016444 DC
Self-reported in NPPES; status is on the state search - Practice location
- 1818 New York Ave NE Ste 233, Washington, DC 20002
- Phone
- (202) 706-4428
- Enumerated
- Jan 23, 2020
- Record last updated
- Dec 11, 2024
- Fax
- (800) 648-0573
- Medicaid ID
- 2407922 DC
- Medicare enrollment
- Enrolled (PECOS I20210614002149); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 215 in District of Columbia → Look up another NPI →
Verify Gregory Anyinam Obiwuma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich District of Columbia board licenses this profession
Search for license NP1016444Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
129 Medicare Part D claims for 23 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.
Most prescribed
- Trazodone Hcl21 claims
- Ziprasidone Hcl11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $281.48
3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gregory Anyinam Obiwuma among 215 psychiatric/mental health nurse practitioner records in District of Columbia
Gregory Anyinam Obiwuma, PMHNP is one of 215 psychiatric/mental health nurse practitioner records with a practice address in District of Columbia. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 50% of them.
- NPI issued2020 · 50% of these records are older, 40% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated2019 · median 2021 among the 97 with a school on file
- Record last updated2024 · 24% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatric/Mental Health Nurse Practitioner providers in District of Columbia
There are 215 psychiatric/mental health nurse practitioner records in District of Columbia.
All 215 in District of Columbia → Every provider in Washington → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Linda AdetolaWashington, DC 200021992056733
- Angelica Garcia-Ditta, LICSWWashington, DC 200021558831982
- Emerencia Mbah, PMHNPWashington, DC 200021497014013
- Christelle MeliWashington, DC 200021922357235
- Gertrude NdansiWashington, DC 200021043579998
- Patricia Ntali, PMHNPWashington, DC 200021639731276
- Collette Odibo, APRN-CNPWashington, DC 200021255661294
- Anthonia OffiahWashington, DC 200021417579665
Common questions
What is Gregory Anyinam Obiwuma, PMHNP's NPI number?
Gregory Anyinam Obiwuma, PMHNP's National Provider Identifier (NPI) is 1164052692, issued on Jan 23, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Anyinam Obiwuma, PMHNP located?
The NPPES record lists a practice address at 1818 New York Ave NE Ste 233, Washington, DC, 20002. Phone: (202) 706-4428. Providers update this record themselves, so call before visiting.
How can I verify Gregory Anyinam Obiwuma, PMHNP's license?
NPPES lists District of Columbia license number NP1016444, as entered by the provider. Search the District of Columbia board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory Anyinam Obiwuma, PMHNP prescribe under Medicare Part D?
In 2024, Gregory Anyinam Obiwuma, PMHNP had 129 Medicare Part D claims for 23 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.