Doctor profile · Federal record

Dr. Joseph Nnadike, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Washington, DC

  • NPI 1497705701
  • Accepts Medicare
  • MIPS 89.2 / 100 · 2023
  • 38 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1310 Southern Ave Se
Washington, DC 200324699
(202) 574-6000
Mailing address
11412 Kedleston RD
Glenn Dale, MD 207692019

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
March 7, 2023
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
West Virginia #18510 · District of Columbia #MD21705
Medicaid
DC #017124400

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497705701. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
822
Distinct HCPCS
5
Medicare allowed
$98,355
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 307 284 $121
99283 Emergency department visit with low level of medical decision making 233 218 $72
99285 Emergency department visit with high level of medical decision making 205 187 $177
99282 Emergency department visit with straightforward medical decision making 47 46 $42
99291 Critical care, first 30-74 minutes 30 29 $207

In context: peer comparison

Among 104 peers in Washington Emergency Medicine Physician, average services per provider: 76. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
349
Patients
328
Total drug cost
$1,467
Drug Type Claims Patients Total cost
Prednisone Generic 90 84 $134
Ondansetron Odt (Ondansetron) Brand 37 37 $209
Ibuprofen Generic 34 34 $111
Tramadol Hcl-Acetaminophen (Tramadol Hcl/Acetaminophen) Brand 34 33 $115
Ciprofloxacin Hcl Generic 32 32 $301
Doxycycline Hyclate Generic 25 25 $282
Lactulose Generic 18 18 $34
Tramadol Hcl Generic 17 17 $34
Metoclopramide Hcl Generic 15 13 $42
Cephalexin Generic 14 13 $92

Frequently asked questions

Auto-generated from federal data
What is Dr. Joseph Nnadike's medical specialty?
Dr. Joseph Nnadike practices Emergency Medicine Physician in Washington, DC.
Where does Dr. Joseph Nnadike practice?
Dr. Joseph Nnadike practices at 1310 Southern Ave Se, Washington, DC 200324699. Office phone: 2025746000.
What is Dr. Joseph Nnadike's NPI?
Dr. Joseph Nnadike's National Provider Identifier (NPI) is 1497705701, issued by NPPES.
Does Dr. Joseph Nnadike accept Medicare assignment?
Yes. Dr. Joseph Nnadike accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Nnadike commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.