NPPES file of Aug 9, 2026

James J. Christrup, M.S.W.

Clinical Social Worker · San Francisco, CA

James J. Christrup, M.S.W. is a clinical social worker with a practice address in San Francisco, California, and NPI 1235258922, issued on Mar 27, 2007. Check the license (California LCS 15151, 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
1235258922
Name
James J. Christrup
Credential
M.S.W.
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
LCS 15151 CA
Self-reported in NPPES; status is on the state search
Practice location
4326 18TH St, San Francisco, CA 94114
Phone
(415) 242-9866
Enumerated
Mar 27, 2007
Record last updated
Jun 3, 2020 (not updated in 6 years: call before relying on the address or phone)
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 4326 18TH St

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

  1. Michael Bala, MFTMarriage & Family Therapist1881721777
  2. Edwin Goei, LMFTMarriage & Family Therapist1528467057
  3. Sarah Thompson, MFT 20411Marriage & Family Therapist1780845602
  4. Kevin Williams, MFTMarriage & Family Therapist1417124124

Verify James J. Christrup 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 LCS 15151
    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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James J. Christrup among 36,261 clinical social worker records in California

James J. Christrup, M.S.W. is one of 36,261 clinical social worker records with a practice address in California. 6% 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 9% of them.

  • NPI issued2007 · 9% of these records are older, 76% newer
  • In a Medicare fileNo · 6% of these records are
  • In the CMS Doctors and Clinicians fileNo · 11% of these records are
  • Record last updated2020 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,358 clinical social worker records list a practice address in San Francisco

They are 1,358 of the 38,143 NPPES records with a practice address in San Francisco, and 36,261 clinical social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 clinical social worker records with the nearest ZIP codes

  1. Shirley Armintrout, L.C.S.W.San Francisco, CA 941141881743961
  2. Arlene Bermann, LCSWSan Francisco, CA 941141184785586
  3. Emily De La Rosa, LCSW, PH.DSan Francisco, CA 941141124120118
  4. Lori Feldman, LCSWSan Francisco, CA 941141972685600
  5. Nancy Heilner, MSWSan Francisco, CA 941141023184702
  6. Dana Horton, LCSWSan Francisco, CA 941141609061266
  7. Alana Howard Swain, LCSWSan Francisco, CA 941141790894467
  8. Kenneth Lee, MSWSan Francisco, CA 941141316013543

Common questions

What is James J. Christrup, M.S.W.'s NPI number?

James J. Christrup, M.S.W.'s National Provider Identifier (NPI) is 1235258922, issued on Mar 27, 2007. An NPI identifies a provider in billing; it is not a license.

Where is James J. Christrup, M.S.W. located?

The NPPES record lists a practice address at 4326 18TH St, San Francisco, CA, 94114. Phone: (415) 242-9866. Providers update this record themselves, so call before visiting.

How can I verify James J. Christrup, M.S.W.'s license?

NPPES lists California license number LCS 15151, 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.

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.