NPPES file of Aug 9, 2026

Gerald Edward Callahan, SUDRC

Case Manager/Care Coordinator · San Francisco, CA

Gerald Edward Callahan, SUDRC is a case manager/care coordinator with a practice address in San Francisco, California, and NPI 1972384402, issued on Oct 10, 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972384402
Name
Gerald Edward Callahan
Credential
SUDRC
Primary taxonomy
Case Manager/Care Coordinator 171M00000X
Practice location
2020 Hayes St, San Francisco, CA 94117
Phone
(415) 213-1921
Enumerated
Oct 10, 2023
Record last updated
Nov 8, 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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8 nearest case manager/care coordinator records → All 22,803 in California → Look up another NPI →

Also registered at 2020 Hayes St

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

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  3. Ashley BeanAddiction (Substance Use Disorder) Counselor1407660095
  4. Lani BeatyCase Manager/Care Coordinator1144075581
  5. Jessica Chin, MAProfessional Counselor1699301101
  6. Carlos CortesAddiction (Substance Use Disorder) Counselor1881722528

Verify Gerald Edward Callahan 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
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Gerald Edward Callahan among 22,803 case manager/care coordinator records in California

Gerald Edward Callahan, SUDRC is one of 22,803 case manager/care coordinator 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 2023, is newer than 83% of them.

  • NPI issued2023 · 83% of these records are older, 11% 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 updated2023 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 171M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

494 case manager/care coordinator records list a practice address in San Francisco

They are 494 of the 38,143 NPPES records with a practice address in San Francisco, and 22,803 case manager/care coordinator records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 22,803 in California → Every provider in San Francisco → Case Manager/Care Coordinator nationwide →

The 8 case manager/care coordinator records with the nearest ZIP codes

  1. Richard AmaroSan Francisco, CA 941171104034354
  2. Rachel BurnettSan Francisco, CA 941171194933358
  3. Douglas CholachSan Francisco, CA 941171659580231
  4. Sandra D'AngeloSan Francisco, CA 941171194995134
  5. James DaggsSan Francisco, CA 941171760680128
  6. Katie DeciccioSan Francisco, CA 941171780854687
  7. Elizabeth DennisSan Francisco, CA 941171093874521
  8. Quatasha HarrisSan Francisco, CA 941171326161712

Common questions

What is Gerald Edward Callahan, SUDRC's NPI number?

Gerald Edward Callahan, SUDRC's National Provider Identifier (NPI) is 1972384402, issued on Oct 10, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Gerald Edward Callahan, SUDRC located?

The NPPES record lists a practice address at 2020 Hayes St, San Francisco, CA, 94117. Phone: (415) 213-1921. Providers update this record themselves, so call before visiting.

How can I verify Gerald Edward Callahan, SUDRC'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.

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.