Peter Antony Dell, M.D.
Psychiatry Physician · San Mateo, CA
Peter Antony Dell, M.D. is a psychiatry physician with a practice address in San Mateo, California, and NPI 1699806059, issued on Mar 8, 2007. Check the license (California A100801, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Peter Antony Dell
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A100801 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1950 Alameda DE Las Pulgas Ste 209, San Mateo, CA 94403
- Phone
- (650) 573-3571
- Enumerated
- Mar 8, 2007
- Record last updated
- Nov 16, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080114000564); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Verify Peter Antony Dell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A100801Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average psychiatry physician in 2024
554 Medicare Part D claims for 43 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Clonazepam71 claims
- Aripiprazole36 claims
- Lorazepam36 claims
- Escitalopram Oxalate35 claims
- Mirtazapine35 claims
- Trazodone Hcl35 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- County OF San MateoSan Mateo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter Antony Dell among 8,673 psychiatry physician records in California
Peter Antony Dell, 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. Its NPI, issued in 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 48% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2006 · median 2005 among the 3,295 with a school on file
- Record last updated2020 · 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).
89 psychiatry physician records list a practice address in San Mateo
They are 89 of the 3,909 NPPES records with a practice address in San Mateo, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in San Mateo → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Kathleen Akiyama, M.D.San Mateo, CA 944031194886879
- Nasrin Bashiri, MDSan Mateo, CA 944031700974920
- Hung-Ming Chu, M.D.San Mateo, CA 944031790834174
- Vikas Duvvuri, M.D., PH.D.San Mateo, CA 944031255470480
- D. Feeley, M.D.San Mateo, CA 944031548351158
- Mina Fisher, M.D.San Mateo, CA 944031124037874
- Nandini Ganpule, MDSan Mateo, CA 944031326110156
- Lynne Haynes-Tucker, MDSan Mateo, CA 944031689737157
Common questions
What is Peter Antony Dell, M.D.'s NPI number?
Peter Antony Dell, M.D.'s National Provider Identifier (NPI) is 1699806059, issued on Mar 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Peter Antony Dell, M.D. located?
The NPPES record lists a practice address at 1950 Alameda DE Las Pulgas Ste 209, San Mateo, CA, 94403. Phone: (650) 573-3571. Providers update this record themselves, so call before visiting.
How can I verify Peter Antony Dell, M.D.'s license?
NPPES lists California license number A100801, 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.
How much does Peter Antony Dell, M.D. prescribe under Medicare Part D?
In 2024, Peter Antony Dell, M.D. had 554 Medicare Part D claims for 43 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions 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.