Doctor profile · Federal record

Dr. Chima Nzerem, D.O.

Anesthesiology Physician (CMS: Anesthesiology) · San Bernardino, CA

  • NPI 1821386848
  • Accepts Medicare
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2101 N Waterman Ave
San Bernardino, CA 924044836
(909) 883-8711
Mailing address
210 N Tustin Ave
Santa Ana, CA 927053807

Credentials & registration

NPPES · NUCC
NPI registered
July 2011 — 15 yrs on file
Profile last updated
May 4, 2016
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
California #20A13808

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821386848. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
13
Distinct HCPCS
1
Medicare allowed
$1,878
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 13 13 $144

In context: peer comparison

Among 3 peers in this city , average services per provider: 17. This provider delivers 0.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Chima Nzerem's medical specialty?
Dr. Chima Nzerem practices Anesthesiology Physician in San Bernardino, CA.
Where does Dr. Chima Nzerem practice?
Dr. Chima Nzerem practices at 2101 N Waterman Ave, San Bernardino, CA 924044836. Office phone: 9098838711.
What is Dr. Chima Nzerem's NPI?
Dr. Chima Nzerem's National Provider Identifier (NPI) is 1821386848, issued by NPPES.
Does Dr. Chima Nzerem accept Medicare assignment?
Yes. Dr. Chima Nzerem accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chima Nzerem commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.