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MRS. MARILENA SANDRU M.D.
NPI 1376862466
Internal Medicine in Pleasanton, CA

Active since May 28, 2010PECOS EnrolledAccepts Medicare Assignment
5725 W LAS POSITAS BLVD, SUITE 110, PLEASANTON, CA 94588(925) 416-6767(925) 416-6790 Get Directions Write a Review

NPPES record last updated: December 15, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrs. Marilena Sandru M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. MARILENA SANDRU M.D. (NPI 1376862466) is an individual internal medicine provider in Pleasanton, California, licensed in California (A111760) and active in the NPI registry since May 2010. She is enrolled in Medicare PECOS and is a graduate of Other (2002).

NPPES Registry Identity

NPI1376862466
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMRS. MARILENA SANDRUCredential: M.D.
Location Address5725 W LAS POSITAS BLVD, SUITE 110Pleasanton, CA 94588-4054
Mailing Address5725 W Las Positas Blvd, Suite 110Pleasanton, CA 94588-4054 · (925) 416-6767 · Fax (925) 416-6790
Phone(925) 416-6767
Fax(925) 416-6790
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateMay 28, 2010
Last NPPES UpdateDecember 15, 2021
✔ NPI 1376862466 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A111760
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
5725 W LAS POSITAS BLVD, Pleasanton, CA 94588
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Marilena Sandru M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4587857149
PECOS Enrollment IDI20101015000385
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Marilena Sandru reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
23 mi
Internal Medicine
1190 VETERANS BLVD
Redwood City, CA 94063
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1639252604 (650) 299-2000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94588 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HANH-NGUYEN DO MD
Obstetrics & Gynecology
5725 W LAS POSITAS BLVD
PLEASANTON, CA 94588
Alameda County (258) 479-3000
KISSENG HSIEH MD
Urology
5725 W LAS POSITAS BLVD, SUITE 250
PLEASANTON, CA 94588
Alameda County (292) 546-8040
ZHANNA BYALAYA PA
Physician Assistant
5725 W LAS POSITAS BLVD, SUITE 200
PLEASANTON, CA 94588
Alameda County (925) 469-6274
STANFORD HEALTH CARE
Radiology (Radiation Oncology)
5725 W LAS POSITAS BLVD, SUITE 100B
PLEASANTON, CA 94588
Alameda County (650) 723-4000
BROOKE CALDWELL M.D.
Radiology (Diagnostic Radiology)
5725 W LAS POSITAS BLVD
PLEASANTON, CA 94588
Alameda County (925) 416-6789
BARBARA T. EGAN M.D.
Internal Medicine (Medical Oncology)
5725 W LAS POSITAS BLVD, #100
PLEASANTON, CA 94588
Alameda County (925) 734-8130
SALLY ANN MAIER RD
Dietitian, Registered
5725 W LAS POSITAS BLVD, SUITE 220
PLEASANTON, CA 94588
Alameda County (925) 416-6710
CHRISTOPHER MICHAEL HYDOCK PA-C
Physician Assistant
5725 W LAS POSITAS BLVD, SUITE 200
PLEASANTON, CA 94588
Alameda County (925) 469-6274

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marilena Sandru's NPI number?

The NPI number for Marilena Sandru is 1376862466. It was assigned to this individual provider in the NPPES registry on May 28, 2010.

Where is Marilena Sandru located?

Marilena Sandru practices at 5725 W Las Positas Blvd Suite 110, Pleasanton, CA 94588. The listed phone number is (925) 416-6767.

What is Marilena Sandru's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Marilena Sandru enrolled in Medicare?

Yes. Marilena Sandru is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Marilena Sandru's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marilena Sandru reassigns Medicare benefits to Permanente Medical Group Inc (Redwood City, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marilena Sandru's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Marilena Sandru was last updated on December 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.