Denise A. McNamara, MD
Psychiatry Physician · Santa Clara, CA
Denise A. McNamara, MD is a psychiatry physician with a practice address in Santa Clara, California, and NPI 1992882823, issued on Oct 31, 2006. Check the license (California G54421, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Denise A. McNamara
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- G54421 CA
Self-reported in NPPES; status is on the state search - Practice location
- 900 Kiely Blvd, Santa Clara, CA 95051
- Phone
- (408) 236-6400
- Enumerated
- Oct 31, 2006
- Record last updated
- Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00G544210 CA
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 900 Kiely Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Denise A. McNamara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G54421Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average psychiatry physician in 2024
336 Medicare Part D claims for 62 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Clonazepam28 claims
- Methylphenidate Er20 claims
- Trazodone Hcl20 claims
- Mirtazapine18 claims
- Clozapine15 claims
- Fluoxetine Hcl15 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.
Denise A. McNamara among 8,673 psychiatry physician records in California
Denise A. McNamara, MD 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2021 · 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).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Santa Clara → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Sivaranjani Ayyanar, MDSanta Clara, CA 950511922620301
- Alexander Hish, MDSanta Clara, CA 950511982232740
- Perry-Anthony Maliuanag, MDSanta Clara, CA 950511902958705
- Matthew Peters, MDSanta Clara, CA 950511639674336
- Anna Shvartsur, MDSanta Clara, CA 950511669008694
- Priya Venkatesh, MDSanta Clara, CA 950511598842445
- Dongyan XuSanta Clara, CA 950511851928709
- Thomas Yang, MDSanta Clara, CA 950511255418182
Common questions
What is Denise A. McNamara, MD's NPI number?
Denise A. McNamara, MD's National Provider Identifier (NPI) is 1992882823, issued on Oct 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Denise A. McNamara, MD located?
The NPPES record lists a practice address at 900 Kiely Blvd, Santa Clara, CA, 95051. Phone: (408) 236-6400. Providers update this record themselves, so call before visiting.
How can I verify Denise A. McNamara, MD's license?
NPPES lists California license number G54421, 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 Denise A. McNamara, MD prescribe under Medicare Part D?
In 2024, Denise A. McNamara, MD had 336 Medicare Part D claims for 62 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.