Registry data as of Aug 27, 2026

Alfredo Williams

Case Manager/Care Coordinator · Mission Viejo, CA

Alfredo Williams is a case manager/care coordinator with a practice address in Mission Viejo, California, and NPI 1043677818, issued on Jan 25, 2016. Check the license with the California board that licenses this profession; 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
1043677818
Name
Alfredo Williams
Primary taxonomy
Case Manager/Care Coordinator 171M00000X
Practice location
27261 Las Ramblas Ste 220, Mission Viejo, CA 92691
Phone
(909) 835-4800
Enumerated
Jan 25, 2016
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 27261 Las Ramblas Ste 220

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

  1. Azhar Abdullah, MDPsychiatry Physician1417351503
  2. Vanessa AguilarCommunity Health Worker1982247821
  3. Edward Aldaz, LCSWMental Health Counselor1639611627
  4. Liliana AldazCase Manager/Care Coordinator1821649633
  5. Alyssa Balli, M.A.Marriage & Family Therapist1144583782
  6. Carolyn Calderwood, MAMarriage & Family Therapist1134568371

Verify Alfredo Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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
Find 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 →

Case Manager/Care Coordinator providers in California

There are 25,996 case manager/care coordinator records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other case manager/care coordinator records in California

  1. Nevin AaronBakersfield, CA1891306130
  2. Claudia AbadRiverside, CA1871151019
  3. Hannah Cristine AbadOceanside, CA1538944020
  4. Gioux Ian Abad Mangulabnan, THERAPISTBerkeley, CA1710442702
  5. Rebecca AbairBakersfield, CA1255468823
  6. Jennifer AbapoBakersfield, CA1871823450
  7. David AbarcaLos Angeles, CA1730305426
  8. Sophia AbarcaMadera, CA1376027755
  9. Leslie AbareaSan Bernardino, CA1407399330
  10. Alfredo Abarien Tos, MALos Angeles, CA1245441104

Common questions

What is Alfredo Williams's NPI number?

Alfredo Williams's National Provider Identifier (NPI) is 1043677818, issued on Jan 25, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Alfredo Williams located?

The NPPES record lists a practice address at 27261 Las Ramblas Ste 220, Mission Viejo, CA, 92691. Phone: (909) 835-4800. Providers update this record themselves, so call before visiting.

How can I verify Alfredo Williams's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

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.