Calvin Cregg Johnson, CADC
Addiction (Substance Use Disorder) Counselor · San Francisco, CA
Calvin Cregg Johnson, CADC is an addiction (substance use disorder) counselor with a practice address in San Francisco, California, and NPI 1699827147, issued on Jan 17, 2007. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Calvin Cregg Johnson
- Credential
- CADC
- Primary taxonomy
- Addiction (Substance Use Disorder) Counselor 101YA0400X
- Practice location
- 1001 Potrero Ave, San Francisco, CA 94110
- Phone
- (415) 206-5645
- Enumerated
- Jan 17, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (414) 206-6875
- Entity
- Type 1 · individual
8 nearest addiction (substance use disorder) counselor records → All 27,741 in California → Look up another NPI →
Also registered at 1001 Potrero Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Atokena AbeStudent in an Organized Health Care Education/Training Program1043130149
- Mary Ann AbilleRegistered Nurse1699155804
- Nasrin Aboudamous, FNPFamily Nurse Practitioner1699579912
- Elizabeth AdvientoRegistered Nurse1124968987
- Rocio Agraz-Lara, RN, PHNRegistered Nurse1003075995
Verify Calvin Cregg Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Calvin Cregg Johnson among 27,741 addiction (substance use disorder) counselor records in California
Calvin Cregg Johnson, CADC 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).
839 addiction (substance use disorder) counselor records list a practice address in San Francisco
They are 839 of the 38,143 NPPES records with a practice address in San Francisco, 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 Francisco → Addiction (Substance Use Disorder) Counselor nationwide →
The 8 addiction (substance use disorder) counselor records with the nearest ZIP codes
- Roberto Alfaro, C.A.T.C.San Francisco, CA 941101891820478
- Frances BarcroftSan Francisco, CA 941101508902602
- Cynthia BennettSan Francisco, CA 941101649325853
- Fred BreauxSan Francisco, CA 941101215073697
- Sharon Brown, BREINING R.A.S.San Francisco, CA 941101609928142
- William Buehlman, C.A.T.C.San Francisco, CA 941101336290212
- Tracey HeltonSan Francisco, CA 941101356495253
- Bryan Jackson, BRIENINGSan Francisco, CA 941101942351671
Common questions
What is Calvin Cregg Johnson, CADC's NPI number?
Calvin Cregg Johnson, CADC's National Provider Identifier (NPI) is 1699827147, issued on Jan 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Calvin Cregg Johnson, CADC located?
The NPPES record lists a practice address at 1001 Potrero Ave, San Francisco, CA, 94110. Phone: (415) 206-5645. Providers update this record themselves, so call before visiting.
How can I verify Calvin Cregg Johnson, CADC'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), 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.
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.