Chima Sean Nzerem, D.O.
Anesthesiology Physician · San Bernardino, CA
Chima Sean Nzerem, D.O. is an anesthesiology physician with a practice address in San Bernardino, California, and NPI 1821386848, issued on Jul 11, 2011. Check the license (California 20A13808, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Chima Sean Nzerem
- Credential
- D.O.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 20A13808 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2101 N Waterman Ave, San Bernardino, CA 92404
- Phone
- (909) 883-8711
- Enumerated
- Jul 11, 2011
- Record last updated
- May 4, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150804006295); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 2101 N Waterman Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Raghad AbbasStudent in an Organized Health Care Education/Training Program1588424436
- Ahmed Abdelmaksoud, MDStudent in an Organized Health Care Education/Training Program1801656855
- Alyssa Abdelnour, MDStudent in an Organized Health Care Education/Training Program1417717885
- Fatemeh Adabifirouzjaei, MDStudent in an Organized Health Care Education/Training Program1952051443
- William Ahnn, M.D.Anesthesiology Physician1457338683
- Molara Alexis, M.DInternal Medicine Physician1134380751
Verify Chima Sean Nzerem in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A13808Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Buena Vista Anesthesia Medical GroupBurbank, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chima Sean Nzerem among 7,571 anesthesiology physician records in California
Chima Sean Nzerem, D.O. is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 68% of them.
- NPI issued2011 · 68% of these records are older, 30% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2010 · median 2006 among the 4,868 with a school on file
- Record last updated2016 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in California
There are 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in San Bernardino → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- William Ahnn, M.D.San Bernardino, CA 924041457338683
- Mrunal Bhatt, M.D.San Bernardino, CA 924041265409874
- Blaine Brown, MDSan Bernardino, CA 924041689692774
- Benjamin Davis, MDSan Bernardino, CA 924041174666127
- Robert Devore, M.D.San Bernardino, CA 924041912974601
- Adam Dorin, M.D.San Bernardino, CA 924041396760427
- Amir Golsorkhi, MDSan Bernardino, CA 924041992912489
- David Hou, DOSan Bernardino, CA 924041659423192
Common questions
What is Chima Sean Nzerem, D.O.'s NPI number?
Chima Sean Nzerem, D.O.'s National Provider Identifier (NPI) is 1821386848, issued on Jul 11, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Chima Sean Nzerem, D.O. located?
The NPPES record lists a practice address at 2101 N Waterman Ave, San Bernardino, CA, 92404. Phone: (909) 883-8711. Providers update this record themselves, so call before visiting.
How can I verify Chima Sean Nzerem, D.O.'s license?
NPPES lists California license number 20A13808, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.