NPPES file of Aug 9, 2026

Mardi A. Geredes, MA, RRW

Addiction (Substance Use Disorder) Counselor · San Luis Obispo, CA

Mardi A. Geredes, MA, RRW is an addiction (substance use disorder) counselor with a practice address in San Luis Obispo, California, and NPI 1194931014, issued on May 15, 2007. Check the license (California RW0886, as entered in NPPES) 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194931014
Name
Mardi A. Geredes
Credential
MA, RRW
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
RW0886 CA
Self-reported in NPPES; status is on the state search
Practice location
2945 Mcmillan Ave, San Luis Obispo, CA 93401
Phone
(805) 781-1433
Enumerated
May 15, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(805) 781-1267
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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8 nearest addiction (substance use disorder) counselor records → All 27,741 in California → Look up another NPI →

Also registered at 2945 Mcmillan Ave

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

  1. Allison AlcalaLicensed Psychiatric Technician1417727843
  2. Doreen Dunton, L.V.N.,R.A.S.Counselor1184827818
  3. Darcy Eastman NusbaumPeer Specialist1831968627
  4. Chris Eaton, MFT INTERNMarriage & Family Therapist1730396169
  5. Joseph Hardcastle, LMFTMarriage & Family Therapist1538368980
  6. Molly JohnsonLicensed Psychiatric Technician1740846476

Verify Mardi A. Geredes in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license RW0886    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
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.

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Mardi A. Geredes among 27,741 addiction (substance use disorder) counselor records in California

Mardi A. Geredes, MA, RRW is one of 27,741 addiction (substance use disorder) counselor records with a practice address in California. under 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than under 1% of them.

  • NPI issued2007 · under 1% of these records are older, 88% newer
  • In a Medicare fileNo · under 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YA0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

63 addiction (substance use disorder) counselor records list a practice address in San Luis Obispo

They are 63 of the 3,403 NPPES records with a practice address in San Luis Obispo, and 27,741 addiction (substance use disorder) counselor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 27,741 in California → Every provider in San Luis Obispo → Addiction (Substance Use Disorder) Counselor nationwide →

The 8 addiction (substance use disorder) counselor records with the nearest ZIP codes

  1. Steve Berg, CATCSan Luis Obispo, CA 934011922218775
  2. Brianna BiberstonSan Luis Obispo, CA 934011164688420
  3. Patricia CooperSan Luis Obispo, CA 934011649463894
  4. Dave DavisSan Luis Obispo, CA 934011073762209
  5. Kirk Estes, CATC #112944San Luis Obispo, CA 934011144357054
  6. Betty Gillespie, MFT INTERNSan Luis Obispo, CA 934011851620041
  7. Robert Gurrola, RASSan Luis Obispo, CA 934011720283229
  8. Michelle LynchSan Luis Obispo, CA 934011508993684

Common questions

What is Mardi A. Geredes, MA, RRW's NPI number?

Mardi A. Geredes, MA, RRW's National Provider Identifier (NPI) is 1194931014, issued on May 15, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mardi A. Geredes, MA, RRW located?

The NPPES record lists a practice address at 2945 Mcmillan Ave, San Luis Obispo, CA, 93401. Phone: (805) 781-1433. Providers update this record themselves, so call before visiting.

How can I verify Mardi A. Geredes, MA, RRW's license?

NPPES lists California license number RW0886, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.