Marilena Sandru, M.D.
Internal Medicine Physician · Pleasanton, CA
Marilena Sandru, M.D. is an internal medicine physician with a practice address in Pleasanton, California, and NPI 1376862466, issued on May 28, 2010. Check the license (California A111760, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marilena Sandru
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A111760 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5725 W Las Positas Blvd, Pleasanton, CA 94588
- Phone
- (925) 416-6767
- Enumerated
- May 28, 2010
- Record last updated
- Dec 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (925) 416-6790
- Medicare enrollment
- Enrolled (PECOS I20101015000385); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 5725 W Las Positas Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marilena Sandru in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A111760Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average internal medicine physician in 2024
6,641 Medicare Part D claims for 1,066 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 176 claims were for opioids.
Most prescribed
- Atorvastatin Calcium461 claims
- Levothyroxine Sodium391 claims
- Amlodipine Besylate266 claims
- Losartan Potassium266 claims
- Lisinopril234 claims
- Alendronate Sodium216 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 IncWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marilena Sandru among 17,696 internal medicine physician records in California
Marilena Sandru, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 63% of them.
- NPI issued2010 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2002 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
57 internal medicine physician records list a practice address in Pleasanton
They are 57 of the 2,213 NPPES records with a practice address in Pleasanton, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Pleasanton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nikhil Apte, MDPleasanton, CA 945881972552206
- Tasneem Bader-Omarali, M.D.Pleasanton, CA 945881578658795
- Katherine Burck, M.D.Pleasanton, CA 945881487768719
- David Chee, MDPleasanton, CA 945881306846373
- Anthony Koh, MDPleasanton, CA 945881730166158
- Calvin Lei, MDPleasanton, CA 945881265432967
- Fernandina Lo, MDPleasanton, CA 945881427055706
- Gule-Rana Masood, MDPleasanton, CA 945881508838020
Common questions
What is Marilena Sandru, M.D.'s NPI number?
Marilena Sandru, M.D.'s National Provider Identifier (NPI) is 1376862466, issued on May 28, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Marilena Sandru, M.D. located?
The NPPES record lists a practice address at 5725 W Las Positas Blvd, Pleasanton, CA, 94588. Phone: (925) 416-6767. Providers update this record themselves, so call before visiting.
How can I verify Marilena Sandru, M.D.'s license?
NPPES lists California license number A111760, 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 Marilena Sandru, M.D. prescribe under Medicare Part D?
In 2024, Marilena Sandru, M.D. had 6,641 Medicare Part D claims for 1,066 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.