Doctor profile · Federal record

Dr. Chiemeziem Nwanyanwu, M.B.B.S

Infectious Disease Physician (CMS: Infectious Disease) · Memphis, TN

  • NPI 1477937548
  • Accepts Medicare
  • 17 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6029 Walnut Grove RD # C002
Memphis, TN 381202112
(901) 685-3490
fax (901) 685-3499
Mailing address
6029 Walnut Grove RD Ste C002
Memphis, TN 381202112

Credentials & registration

NPPES · NUCC
NPI registered
July 2015 — 11 yrs on file
Profile last updated
November 23, 2020
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State license (1)
Tennessee #61802

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477937548. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,680
Distinct HCPCS
3
Medicare allowed
$170,568
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 883 366 $73
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 436 230 $110
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 361 345 $161

In context: peer comparison

Among 10 peers in this city , average services per provider: 194. This provider delivers 8.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$66
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Shionogi Inc 2 $36.98
La Jolla Pharmaceutical Company 1 $15.35
ABBVIE INC. 1 $14.10

By nature of payment

Food and Beverage
$66

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
113
Patients
17
Total drug cost
$15,339
Drug Type Claims Patients Total cost
Vancomycin Hcl Generic 47 17 $7,697
Cefepime Hcl Generic 20 0 $2,775
Cefazolin Sodium Generic 19 0 $572
Ceftriaxone (Ceftriaxone Sodium) Brand 14 0 $2,267
Piperacillin-Tazobactam (Piperacillin Sodium/Tazobactam) Brand 13 0 $2,028

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Chiemeziem Nwanyanwu's medical specialty?
Dr. Chiemeziem Nwanyanwu practices Infectious Disease Physician in Memphis, TN.
Where does Dr. Chiemeziem Nwanyanwu practice?
Dr. Chiemeziem Nwanyanwu practices at 6029 Walnut Grove RD # C002, Memphis, TN 381202112. Office phone: 9016853490.
What is Dr. Chiemeziem Nwanyanwu's NPI?
Dr. Chiemeziem Nwanyanwu's National Provider Identifier (NPI) is 1477937548, issued by NPPES.
Does Dr. Chiemeziem Nwanyanwu accept Medicare assignment?
Yes. Dr. Chiemeziem Nwanyanwu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chiemeziem Nwanyanwu commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.