Mark Andre
Hospitalist Physician · San Leandro, CA
Mark Andre is a hospitalist physician with a practice address in San Leandro, California, and NPI 1770979288, issued on Apr 10, 2015. Check the license (California A149223, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Andre
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A149223 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2500 Merced St, San Leandro, CA 94577
- Phone
- (510) 454-7300
- Enumerated
- Apr 10, 2015
- Record last updated
- Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190211001024); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 2500 Merced St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Andre in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A149223Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% more Medicare Part D claims than the average hospitalist physician in 2024
640 Medicare Part D claims for 195 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 16 claims were for opioids.
Most prescribed
- Furosemide43 claims
- Atorvastatin Calcium37 claims
- Pantoprazole Sodium25 claims
- Albuterol Sulfate Hfa22 claims
- Cefpodoxime Proxetil17 claims
- Metoprolol Succinate16 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
- Permanente Medical Group IncSan Leandro, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Andre among 3,099 hospitalist physician records in California
Mark Andre 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 2015, is newer than 66% of them.
- NPI issued2015 · 66% of these records are older, 30% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2015 · median 2010 among the 2,505 with a school on file
- Record last updated2021 · 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 San Leandro → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Mayank AminSan Leandro, CA 945771891180972
- Abida Azim, M.D.San Leandro, CA 945771447338298
- James Chang, M.D.San Leandro, CA 945771801158332
- Rose Eng, M.D.San Leandro, CA 945771881744605
- Michael Esteban, M.D.San Leandro, CA 945771821176637
- Christopher Gee, M.D.San Leandro, CA 945771902984727
- Jena Joy, MDSan Leandro, CA 945771992071229
- Trupti Mehta, M.D.San Leandro, CA 945771609954460
Common questions
What is Mark Andre's NPI number?
Mark Andre's National Provider Identifier (NPI) is 1770979288, issued on Apr 10, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Mark Andre located?
The NPPES record lists a practice address at 2500 Merced St, San Leandro, CA, 94577. Phone: (510) 454-7300. Providers update this record themselves, so call before visiting.
How can I verify Mark Andre's license?
NPPES lists California license number A149223, 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 Mark Andre prescribe under Medicare Part D?
In 2024, Mark Andre had 640 Medicare Part D claims for 195 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.