Mark William Blancher
Clinical Social Worker · West Covina, CA
Mark William Blancher is a clinical social worker with a practice address in West Covina, California, and NPI 1699506063, issued on Aug 8, 2024. Check the license (California 104135, 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.
- Name
- Mark William Blancher
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 104135 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3044 LA Puente RD, West Covina, CA 91792
- Phone
- (626) 652-2740
- Enumerated
- Aug 8, 2024
- Record last updated
- Aug 8, 2024
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 36,261 in California → Look up another NPI →
Verify Mark William Blancher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 104135Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mark William Blancher among 36,261 clinical social worker records in California
Mark William Blancher 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 2024, is newer than 90% of them.
- NPI issued2024 · 90% of these records are older, 6% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileNo · 11% of these records are
- Record last updated2024 · 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).
72 clinical social worker records list a practice address in West Covina
They are 72 of the 2,450 NPPES records with a practice address in West Covina, and 36,261 clinical social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 36,261 in California → Every provider in West Covina → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Sharon Bruner, LCSW, PSYDWest Covina, CA 917921164809836
- Lorrie Mae PanisWest Covina, CA 917921336990647
- Brianna RussellWest Covina, CA 917921649134396
- Gloria VargasWest Covina, CA 917921891475034
- Mariano Viramontes, MSWWest Covina, CA 917921750618476
- Arissa Alvarez, LCSWWest Covina, CA 917911982271151
- Rebecca Amavizca, LCSWWest Covina, CA 917911982113353
- Staci AshbyWest Covina, CA 917911407364128
Common questions
What is Mark William Blancher's NPI number?
Mark William Blancher's National Provider Identifier (NPI) is 1699506063, issued on Aug 8, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Mark William Blancher located?
The NPPES record lists a practice address at 3044 LA Puente RD, West Covina, CA, 91792. Phone: (626) 652-2740. Providers update this record themselves, so call before visiting.
How can I verify Mark William Blancher's license?
NPPES lists California license number 104135, 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.