Jennifer Stanziale, MD
Hospitalist Physician · Martinez, CA
Jennifer Stanziale, MD is a hospitalist physician with a practice address in Martinez, California, and NPI 1215467543, issued on Jun 19, 2017. Check the license (California A158366, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jennifer Stanziale
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A158366 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2500 Alhambra Ave, Martinez, CA 94553
- Phone
- (925) 370-5200
- Enumerated
- Jun 19, 2017
- Record last updated
- Jun 28, 2023
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 2500 Alhambra Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Edward AgyekumDentist1124196696
- Abid Ahmed, M.D.Internal Medicine Physician1346531001
Verify Jennifer Stanziale in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A158366Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average hospitalist physician in 2024
76 Medicare Part D claims for 15 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Quetiapine Fumarate12 claims
- Risperidone12 claims
- Sertraline Hcl12 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.
Jennifer Stanziale among 3,099 hospitalist physician records in California
Jennifer Stanziale, MD is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 74% of them.
- NPI issued2017 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileNo · 81% of these records are
- Record last updated2023 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Martinez → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Brittany Ashlock, MD, PHD, MPHWalnut Creek, CA 945531952728099
- Mehrdad Mansouri, M.D., PH.D.Martinez, CA 945531376532747
- Alfort Santos, M.D.,R.NLafayette, CA 945491376731505
- Amir Behzad Razavi, M.D.Napa, CA 945581063457059
- Debra Trnavsky-Hobbs, M.D.Napa, CA 945581316990724
- Maria Ait Rais, M.D.Castro Valley, CA 945461811239304
- Oluwaseyi Balasire, M.D.Castro Valley, CA 945461003235243
- Mariam Beshai, MDCastro Valley, CA 945461447839956
Common questions
What is Jennifer Stanziale, MD's NPI number?
Jennifer Stanziale, MD's National Provider Identifier (NPI) is 1215467543, issued on Jun 19, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Stanziale, MD located?
The NPPES record lists a practice address at 2500 Alhambra Ave, Martinez, CA, 94553. Phone: (925) 370-5200. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Stanziale, MD's license?
NPPES lists California license number A158366, 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 Jennifer Stanziale, MD prescribe under Medicare Part D?
In 2024, Jennifer Stanziale, MD had 76 Medicare Part D claims for 15 beneficiaries; the average among hospitalist physician prescribers was 521. 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.