NPPES file of Aug 9, 2026

Katherine Jennifer Blank, LCSW

Clinical Social Worker · San Francisco, CA

Katherine Jennifer Blank, LCSW is a clinical social worker with a practice address in San Francisco, California, and NPI 1457683872, issued on Feb 10, 2010. Check the license (California LCSW65446, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1457683872
Name
Katherine Jennifer Blank
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License numbers
LCSW65446 CA
LICSW117276 MA
Self-reported in NPPES; status is on the state search
Practice location
2150 Post St, San Francisco, CA 94115
Phone
(415) 449-3753
Enumerated
Feb 10, 2010
Record last updated
Jul 16, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20150923002892); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest clinical social worker records → All 36,261 in California → Look up another NPI →

Also registered at 2150 Post St

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

  1. Rebecca Anaya, MSWMental Health Counselor1952479529
  2. Susan Byrd, LCSWCounselor1740351295
  3. Aimee Castro, OTR/LOccupational Therapist1467074807
  4. Jessica FaumanClinical Social Worker1194575175
  5. Kelsey Friedman, L.P.C., L.M.F.TMarriage & Family Therapist1932412749
  6. Cherie Golant, LCSWClinical Social Worker1558471797

Verify Katherine Jennifer Blank 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 LCSW65446    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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Bills Medicare through one group practice

  1. Jewish Family And Childrens ServicesSan Francisco, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Katherine Jennifer Blank among 36,261 clinical social worker records in California

Katherine Jennifer Blank, LCSW 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. Its NPI, issued in 2010, is newer than 31% of them.

  • NPI issued2010 · 31% of these records are older, 66% newer
  • In a Medicare fileYes · 6% of these records are
  • In the CMS Doctors and Clinicians fileYes · 11% of these records are
  • Graduated2008 · median 2012 among the 4,008 with a school on file
  • Record last updated2015 · 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.

All 36,261 in California → Every provider in San Francisco → Clinical Social Worker nationwide →

The 8 clinical social worker records with the nearest ZIP codes

  1. Judie Boman, LCSWSan Francisco, CA 941151467540195
  2. Nancy Boughey, LCSWSan Francisco, CA 941151215967153
  3. Sam Edwards, LCSWSan Francisco, CA 941151215010517
  4. Cherie Golant, LCSWSan Francisco, CA 941151558471797
  5. Lindsay Hutchins, LCSWSan Francisco, CA 941151194886309
  6. Jean Riney-Niewiadomski, LCSWSan Francisco, CA 941151659439909
  7. Michael Scott, LCSWSan Francisco, CA 941151356422109
  8. Brook Stone, LCSWSan Francisco, CA 941151174570121

Common questions

What is Katherine Jennifer Blank, LCSW's NPI number?

Katherine Jennifer Blank, LCSW's National Provider Identifier (NPI) is 1457683872, issued on Feb 10, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Jennifer Blank, LCSW located?

The NPPES record lists a practice address at 2150 Post St, San Francisco, CA, 94115. Phone: (415) 449-3753. Providers update this record themselves, so call before visiting.

How can I verify Katherine Jennifer Blank, LCSW's license?

NPPES lists California license number LCSW65446, 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. Medicare files from data.cms.gov. 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.