Denis Clegg, M.D.
Psychiatry Physician · Palo Alto, CA
Denis Clegg, M.D. is a psychiatry physician with a practice address in Palo Alto, California, and NPI 1235151606, issued on Jul 24, 2006. Check the license (California C38247, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Denis Clegg
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- C38247 CA
Self-reported in NPPES; status is on the state search - Practice location
- 370 George Hood LN, Palo Alto, CA 94306
- Phone
- (800) 590-7565
- Enumerated
- Jul 24, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Verify Denis Clegg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C38247Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Denis Clegg among 8,673 psychiatry physician records in California
Denis Clegg, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileNo · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2007 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
215 psychiatry physician records list a practice address in Palo Alto
They are 215 of the 7,617 NPPES records with a practice address in Palo Alto, and 8,673 psychiatry physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 8,673 in California → Every provider in Palo Alto → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- John GlathePalo Alto, CA 943061265889133
- Sanjay JasujaPalo Alto, CA 943061992097117
- Hayyah Muller, MDPalo Alto, CA 943061780783480
- Mala Nayak, MDPalo Alto, CA 943061215036918
- William Sastry, M.D.Palo Alto, CA 943061699845859
- Janet Spraggins, MDPalo Alto, CA 943061457438392
- Kathryn StephensPalo Alto, CA 943061720646490
- Adam Strassberg, M.D.Palo Alto, CA 943061558443424
Common questions
What is Denis Clegg, M.D.'s NPI number?
Denis Clegg, M.D.'s National Provider Identifier (NPI) is 1235151606, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Denis Clegg, M.D. located?
The NPPES record lists a practice address at 370 George Hood LN, Palo Alto, CA, 94306. Phone: (800) 590-7565. Providers update this record themselves, so call before visiting.
How can I verify Denis Clegg, M.D.'s license?
NPPES lists California license number C38247, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.