Kenneth D. Gregg, LCSW
Clinical Social Worker · Walnut Creek, CA
Kenneth D. Gregg, LCSW is a clinical social worker with a practice address in Walnut Creek, California, and NPI 1811048671, issued on Jan 16, 2007. Check the license (California LCS 19241, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kenneth D. Gregg
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- LCS 19241 CA
Self-reported in NPPES; status is on the state search - Practice location
- 710 S Broadway, Walnut Creek, CA 94596
- Phone
- (925) 295-4145
- Enumerated
- Jan 16, 2007
- Record last updated
- Jan 3, 2022
- Fax
- (925) 295-5226
- Medicare enrollment
- Enrolled (PECOS I20170110002319); 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 710 S Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Julia Avedisian-Aguilar, MFTMarriage & Family Therapist1972614162
- Nardine Azab, MFTMental Health Counselor1417120106
- Jennifer Barkin, PSY.D.Clinical Psychologist1043476468
- Jessica Bergstrom, PSY.D.Clinical Psychologist1508333618
- Isabella BluminBehavior Technician1932716115
- Vince Brim, PSY.D.Clinical Psychologist1932378965
Verify Kenneth D. Gregg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license LCS 19241Check 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 IncWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kenneth D. Gregg among 36,261 clinical social worker records in California
Kenneth D. Gregg, 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 2007, is newer than 9% of them.
- NPI issued2007 · 9% of these records are older, 76% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 11% of these records are
- Graduated1996 · median 2012 among the 4,008 with a school on file
- Record last updated2022 · 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).
124 clinical social worker records list a practice address in Walnut Creek
They are 124 of the 6,170 NPPES records with a practice address in Walnut Creek, and 36,261 clinical social worker records in California.
All 36,261 in California → Every provider in Walnut Creek → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Patricia Bortman, LCSWWalnut Creek, CA 945961275697344
- Sylvia Castillo, LCSWWalnut Creek, CA 945961790834844
- Valinda Croxton, LCSWWalnut Creek, CA 945961861556698
- Sue Flood, LCSWWalnut Creek, CA 945961053474924
- Rebecca Fontaine, LCSWWalnut Creek, CA 945961336204874
- Mary Gargaro, LCSWWalnut Creek, CA 945961316004062
- Lori Katzburg, LCSWWalnut Creek, CA 945961104853399
- Daniel Moskowitz, LCSWWalnut Creek, CA 945961952450819
Common questions
What is Kenneth D. Gregg, LCSW's NPI number?
Kenneth D. Gregg, LCSW's National Provider Identifier (NPI) is 1811048671, issued on Jan 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth D. Gregg, LCSW located?
The NPPES record lists a practice address at 710 S Broadway, Walnut Creek, CA, 94596. Phone: (925) 295-4145. Providers update this record themselves, so call before visiting.
How can I verify Kenneth D. Gregg, LCSW's license?
NPPES lists California license number LCS 19241, 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.