Registry data as of Aug 27, 2026

Diamond Berg, MD

Internal Medicine Physician · San Diego, CA

Diamond Berg, MD is an internal medicine physician with a practice address in San Diego, California, and NPI 1699477216, issued on Mar 20, 2023. Check the license (California A206928, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1699477216
Name
Diamond Berg
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A206928 CA
Self-reported in NPPES; status is on the state search
Practice location
200 W Arbor Drive, San Diego, CA 92103
Phone
(619) 543-6268
Enumerated
Mar 20, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 200 W Arbor Drive

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Angharad Ames, MDPsychiatry Physician1467949727
  2. Joseph Avalos, M.D.Hospitalist Physician1912296971
  3. Jessica Bazick, MDHospitalist Physician1114155082
  4. Rachel CorrenStudent in an Organized Health Care Education/Training Program1558163089
  5. Dudley Elmore, RN,FNPFamily Nurse Practitioner1568620375
  6. Alanna Fraser, CFNPAdult Health Nurse Practitioner1770794760

Verify Diamond Berg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A206928
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

1,049 internal medicine physician records list a San Diego practice address

They are 1,049 of the 52,937 NPPES records with a San Diego practice address, and 20,403 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Diamond Berg, MD's NPI number?

Diamond Berg, MD's National Provider Identifier (NPI) is 1699477216, issued on Mar 20, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Diamond Berg, MD located?

The NPPES record lists a practice address at 200 W Arbor Drive, San Diego, CA, 92103. Phone: (619) 543-6268. Providers update this record themselves, so call before visiting.

How can I verify Diamond Berg, MD's license?

NPPES lists California license number A206928, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.