NPPES file of Aug 9, 2026

John A. Cahill, SUDCC II

Addiction (Substance Use Disorder) Counselor · Riverside, CA

John A. Cahill, SUDCC II is an addiction (substance use disorder) counselor with a practice address in Riverside, California, and NPI 1598899106, issued on Mar 15, 2007. Check the license (California 9570, 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
1598899106
Name
John A. Cahill
Credential
SUDCC II
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License numbers
9570 CA
01-034424 CA
Self-reported in NPPES; status is on the state search
Practice location
2085 Rustin Ave # 5, Riverside, CA 92507
Phone
(951) 509-2400
Enumerated
Mar 15, 2007
Record last updated
Aug 27, 2025
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 2085 Rustin Ave # 5

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

  1. Alexia AlvarezCase Manager/Care Coordinator1134810195
  2. Brianna Cardiel, OTR/LMental Health Occupational Therapist1154144897
  3. Balinder Chahal, RNRegistered Nurse1669320115
  4. Linda Craig, LCSWClinical Social Worker1467100255
  5. Deborah Lucas, D.O.Psychiatry Physician1376758128
  6. Jose Mejia DominguezPeer Specialist1275268088

Verify John A. Cahill 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 9570    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

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

John A. Cahill, SUDCC II 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 updated2025 · 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).

441 addiction (substance use disorder) counselor records list a practice address in Riverside

They are 441 of the 13,893 NPPES records with a practice address in Riverside, 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 Riverside → Addiction (Substance Use Disorder) Counselor nationwide →

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

  1. Kimberly ArchibekRiverside, CA 925071619010659
  2. Alfred BellRiverside, CA 925071073647996
  3. Sean Bills, CADC-IIRiverside, CA 925071427196823
  4. Keith BooneRiverside, CA 925071174667091
  5. Ralph BravoRiverside, CA 925071124232012
  6. Ron Brunelle, B.A.,CADC,IIRiverside, CA 925071255469243
  7. Rose CastroRiverside, CA 925071851434864
  8. Fabiola DominguezRiverside, CA 925071598800336

Common questions

What is John A. Cahill, SUDCC II's NPI number?

John A. Cahill, SUDCC II's National Provider Identifier (NPI) is 1598899106, issued on Mar 15, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John A. Cahill, SUDCC II located?

The NPPES record lists a practice address at 2085 Rustin Ave # 5, Riverside, CA, 92507. Phone: (951) 509-2400. Providers update this record themselves, so call before visiting.

How can I verify John A. Cahill, SUDCC II's license?

NPPES lists California license number 9570, 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.