Registry data as of Aug 27, 2026

Lloyd Morrissey, M.D.

Internal Medicine Physician · Oakland, CA

Lloyd Morrissey, M.D. is an internal medicine physician with a practice address in Oakland, California, and NPI 1801903562, issued on Aug 25, 2006. Check the license 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
1801903562
Name
Lloyd Morrissey
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
350 Hawthorne Ave RM 2346, Oakland, CA 94609
Phone
(510) 655-4000
Enumerated
Aug 25, 2006
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 350 Hawthorne Ave RM 2346

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

  1. Nkemdi Agwaramgbo, MDInternal Medicine Physician1053998682
  2. Vijay AluruInternal Medicine Physician1588026488
  3. Sharon Chan, M.D.Internal Medicine Physician1013233964
  4. Paul Cheung, M.D.Emergency Medicine Physician1942647060
  5. Matthew Dahnke, M.D.Internal Medicine Physician1487762092
  6. James Felt, M.D.Internal Medicine Physician1073621157

Verify Lloyd Morrissey in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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 →

451 internal medicine physician records list a Oakland practice address

They are 451 of the 18,558 NPPES records with a Oakland 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 Lloyd Morrissey, M.D.'s NPI number?

Lloyd Morrissey, M.D.'s National Provider Identifier (NPI) is 1801903562, issued on Aug 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lloyd Morrissey, M.D. located?

The NPPES record lists a practice address at 350 Hawthorne Ave RM 2346, Oakland, CA, 94609. Phone: (510) 655-4000. Providers update this record themselves, so call before visiting.

How can I verify Lloyd Morrissey, M.D.'s license?

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.