Machtel M. Pengel, ASW
Clinical Social Worker · San Francisco, CA
Machtel M. Pengel, ASW is a clinical social worker with a practice address in San Francisco, California, and NPI 1821301425, issued on Jul 23, 2010. Check the license (California ASW 23013, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Machtel M. Pengel
- Credential
- ASW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- ASW 23013 CA
Self-reported in NPPES; status is on the state search - Practice location
- 150 Executive Park Blvd, San Francisco, CA 94134
- Phone
- (415) 715-1050
- Enumerated
- Jul 23, 2010
- Record last updated
- Dec 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (415) 715-1051
- Medicare enrollment
- Enrolled (PECOS I20180920001307); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 36,261 in California → Look up another NPI →
Also registered at 150 Executive Park Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachel Clee, MS, LMFTMarriage & Family Therapist1013204379
- Brett Collins, MSWClinical Social Worker1609050210
- Silena GarnerCounselor1548449309
- Carletta Jackson-Lane, J.DCounselor1396056446
- Elina Rudoy, MFTIMarriage & Family Therapist1750432290
- Dale WilliamsMarriage & Family Therapist1225236466
Verify Machtel M. Pengel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license ASW 23013Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Permanente Medical Group IncAntioch, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Machtel M. Pengel among 36,261 clinical social worker records in California
Machtel M. Pengel, ASW 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
- Graduated2000 · median 2012 among the 4,008 with a school on file
- Record last updated2021 · 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
- Ines Betancourt, LCSWSan Francisco, CA 941341932308400
- Lisabeth Castro-Smyth, LCSWSan Francisco, CA 941341255614376
- Jessica ChenSan Francisco, CA 941341780107011
- Brett Collins, MSWSan Francisco, CA 941341609050210
- Danielle Evans, LCSWSan Francisco, CA 941341326208299
- Susan Kuyper, LCSWSan Francisco, CA 941341114229218
- Shirley Leong, LCSWSan Francisco, CA 941341639369119
- Holly Light, M.B.A.San Francisco, CA 941341760678536
Common questions
What is Machtel M. Pengel, ASW's NPI number?
Machtel M. Pengel, ASW's National Provider Identifier (NPI) is 1821301425, issued on Jul 23, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Machtel M. Pengel, ASW located?
The NPPES record lists a practice address at 150 Executive Park Blvd, San Francisco, CA, 94134. Phone: (415) 715-1050. Providers update this record themselves, so call before visiting.
How can I verify Machtel M. Pengel, ASW's license?
NPPES lists California license number ASW 23013, 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.
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.