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Hematology/Oncology

Antra Mahaldar, MD

Sees patients in Vallejo, CA · California

Summary

Dr. Antra Mahaldar, MD is a hematologist-oncologist at 975 Sereno Dr, Vallejo, CA 94589. Phone: (707) 651-1000. Accepts Medicare assignment. NPI 1073572384. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Hematologist-oncologist (Medicare lists Hematology/Oncology)
  • Address: 975 Sereno Dr, Vallejo, CA 94589 · Directions
  • Phone: (707) 651‑1000
  • Medicare: Accepts Medicare assignment
  • Group practice: Permanente Medical Group Inc
  • Medical school: graduated 1998 (28 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Antra Mahaldar, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Antra Mahaldar accept Medicare assignment?
Yes. Medicare's clinician data says Antra Mahaldar accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Antra Mahaldar's NPI number?
1073572384. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Antra Mahaldar is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Antra Mahaldar as a member of this group (CMS data updated October 2, 2026).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in California →

Other hematologist-oncologists in Vallejo

Clinicians with the same Medicare primary specialty in Vallejo, CA — not a recommendation.

All hematologist-oncologists in Vallejo →

Other clinicians in Permanente Medical Group Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1998 (28 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1073572384
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians