Registry data as of Aug 27, 2026

Jeffrey Slack

Marriage & Family Therapist · Chino Hills, CA

Jeffrey Slack is a marriage & family therapist with a practice address in Chino Hills, California, and NPI 1831878271, issued on Jul 13, 2023. 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
1831878271
Name
Jeffrey Slack
Primary taxonomy
Marriage & Family Therapist 106H00000X
Practice location
3608 Steve Mcqueen Dr, Chino Hills, CA 91709
Phone
(909) 628-1217
Enumerated
Jul 13, 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 3608 Steve Mcqueen Dr

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

  1. Cyrus CarrilloCase Manager/Care Coordinator1730804840
  2. Aidalina CastroDay Training/Habilitation Specialist1104792969
  3. Carlos OcampoMarriage & Family Therapist1154839447
  4. Lesli Recendiz GonzalezCommunity Health Worker1457122954
  5. Ashley SalazarMental Health Counselor1487177846
  6. Amanda StadelbacherMental Health Counselor1831968031

Verify Jeffrey Slack 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 →

55 marriage & family therapist records list a Chino Hills practice address

They are 55 of the 774 NPPES records with a Chino Hills practice address, and 52,961 marriage & family therapist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other marriage & family therapist records in California

  1. Lili Aames, LMFTSanta Fe Springs, CA1689836165
  2. Lynn Aamot, LMFTEl Dorado Hills, CA1508255027
  3. Nathan Aanderud, LMFTTorrance, CA1689036907
  4. Alex AaronSherman Oaks, CA1578442620
  5. Bianca Aaron, LMFT, APCCSan Francisco, CA1316459605
  6. Kelley Aaron, MFTLos Angeles, CA1699068866
  7. Ruth Aaron, MS, JD, MFTClaremont, CA1316029697
  8. Terry Aaron, MFTBurbank, CA1386801173
  9. Azadeh Aarons, LMFTThousand Oaks, CA1679343974
  10. Bianca Aarons, MA,LMFTSan Francisco, CA1699286732

Common questions

What is Jeffrey Slack's NPI number?

Jeffrey Slack's National Provider Identifier (NPI) is 1831878271, issued on Jul 13, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey Slack located?

The NPPES record lists a practice address at 3608 Steve Mcqueen Dr, Chino Hills, CA, 91709. Phone: (909) 628-1217. Providers update this record themselves, so call before visiting.

How can I verify Jeffrey Slack'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.