Daniel Joseph Holcomb
Clinical Social Worker · Simi Valley, CA
Daniel Joseph Holcomb is a clinical social worker with a practice address in Simi Valley, California, and NPI 1053806398, issued on Jun 28, 2018. Check the license (California 128247, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Daniel Joseph Holcomb
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 128247 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1997 Ridgegate LN Apt K, Simi Valley, CA 93065
- Phone
- (818) 298-0249
- Enumerated
- Jun 28, 2018
- Record last updated
- Aug 11, 2025
- Medicare enrollment
- Enrolled (PECOS I20251030005010); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 36,261 in California → Look up another NPI →
Verify Daniel Joseph Holcomb in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 128247Check 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
- Central Valley General HospitalHanford, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel Joseph Holcomb among 36,261 clinical social worker records in California
Daniel Joseph Holcomb 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 2018, is newer than 62% of them.
- NPI issued2018 · 62% of these records are older, 33% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 11% of these records are
- Graduated2022 · median 2012 among the 4,008 with a school on file
- Record last updated2025 · 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).
43 clinical social worker records list a practice address in Simi Valley
They are 43 of the 1,397 NPPES records with a practice address in Simi Valley, and 36,261 clinical social worker records in California.
All 36,261 in California → Every provider in Simi Valley → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Madlen Ayvazian, LCSWSimi Valley, CA 930651033305149
- Jennifer Christeson, LCSWSimi Valley, CA 930651881856235
- Maureen Finkle, LCSWSimi Valley, CA 930651083623243
- Anne GlennSimi Valley, CA 930651811338171
- Brian GraySimi Valley, CA 930651396936647
- Betty Gutman, LCSWSimi Valley, CA 930651023199510
- Lorna Hawley, LCSWSimi Valley, CA 930651639297542
- Beth Jakubanis, LCSWSimi Valley, CA 930651700079191
Common questions
What is Daniel Joseph Holcomb's NPI number?
Daniel Joseph Holcomb's National Provider Identifier (NPI) is 1053806398, issued on Jun 28, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Joseph Holcomb located?
The NPPES record lists a practice address at 1997 Ridgegate LN Apt K, Simi Valley, CA, 93065. Phone: (818) 298-0249. Providers update this record themselves, so call before visiting.
How can I verify Daniel Joseph Holcomb's license?
NPPES lists California license number 128247, 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.