Doctor profile · Federal record

Dr. Chiamaka Nnah, RN, PMHNP-BC, DNP

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Adult Psychiatric/Mental Health Registered Nurse · Child & Adolescent Psychiatric/Mental Health Registered Nurse · Psychiatric/Mental Health Nurse Practitioner · Psychiatric/Mental Health Nurse Practitioner · Developmentally Disabled Services Day Training Agency · Registered Nurse · Catonsville, MD

  • NPI 1205587284
  • Accepts Medicare
  • 5 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
405 Frederick RD Ste 11
Catonsville, MD 212284607
(443) 468-4838
fax (410) 231-6333
Mailing address
3220 Ridgeway Pl
Windsor Mill, MD 212441021

Credentials & registration

NPPES · NUCC
NPI registered
January 2022 — 4 yrs on file
Profile last updated
March 17, 2026
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State licenses (3)
Maryland #R239396 · Texas #1227868 · Virginia #0024195519

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205587284. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$109
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Alkermes, INC. 1 $109.29

By nature of payment

Food and Beverage
$109

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
72
Patients
0
Total drug cost
$3,830
Drug Type Claims Patients Total cost
Trazodone Hcl Generic 31 0 $287
Aripiprazole Generic 15 0 $3,311
Olanzapine Generic 13 0 $147
Topiramate Generic 13 0 $85

Frequently asked questions

Auto-generated from federal data
What is Dr. Chiamaka Nnah's medical specialty?
Dr. Chiamaka Nnah practices Psychiatric/Mental Health Nurse Practitioner in Catonsville, MD.
Where does Dr. Chiamaka Nnah practice?
Dr. Chiamaka Nnah practices at 405 Frederick RD Ste 11, Catonsville, MD 212284607. Office phone: 4434684838.
What is Dr. Chiamaka Nnah's NPI?
Dr. Chiamaka Nnah's National Provider Identifier (NPI) is 1205587284, issued by NPPES.
Does Dr. Chiamaka Nnah accept Medicare assignment?
Yes. Dr. Chiamaka Nnah accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.