Doctor profile · Federal record

Dr. Dawn Nwamuo, MD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · San Leandro, CA

  • NPI 1134309818
  • Accepts Medicare
  • 22 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2500 Merced St, Kaiser Permanente San Leandro Medical Center
San Leandro, CA 945774201
(510) 454-7521

Credentials & registration

NPPES · NUCC
NPI registered
November 2007 — 19 yrs on file
Profile last updated
January 10, 2022
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
California #A93407

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134309818. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
44
Distinct HCPCS
3
Medicare allowed
$1,296
HCPCS Description Services Patients Avg allowed
71045 X-ray of chest, 1 view 18 18 $10
70450 Ct scan head or brain without contrast 15 15 $45
77067 Screening mammography 11 11 $41

In context: peer comparison

Among 4 peers in this city , average services per provider: 26. This provider delivers 1.7× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Dawn Nwamuo's medical specialty?
Dr. Dawn Nwamuo practices Diagnostic Radiology Physician in San Leandro, CA.
Where does Dr. Dawn Nwamuo practice?
Dr. Dawn Nwamuo practices at 2500 Merced St, San Leandro, CA 945774201. Office phone: 5104547521.
What is Dr. Dawn Nwamuo's NPI?
Dr. Dawn Nwamuo's National Provider Identifier (NPI) is 1134309818, issued by NPPES.
Does Dr. Dawn Nwamuo accept Medicare assignment?
Yes. Dr. Dawn Nwamuo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dawn Nwamuo commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045); Ct scan head or brain without contrast (HCPCS 70450); Screening mammography (HCPCS 77067). Source: CMS Medicare Physician & Other Practitioners file.