Dr. Antra Mahaldar, MD

  • Vallejo, CA
  • Hematologist and oncologist
NPI1073572384PAC ID5597787481
Part D claims, 2024
964
Hospital affiliations
1
Medical group
1
Insurance carriers
2
State licenses
2
Practice address
975 Sereno Dr, Vallejo, CA 94589
Practice phone
Call (707) 651-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Vallejo Medical Center

Hospital · Vallejo, California

See all 5 affiliations

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Dr. Antra Mahaldar is a hematologist and oncologist in Vallejo, California

Dr. Mahaldar practices at Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente.

Dr. Mahaldar's NPI, 1073572384, was assigned on March 23, 2006. Dr. Mahaldar graduated from Government Medical College of Jammu and Kashmire in 1998. Dr. Mahaldar's Texas license number on file is M2697.

NPI and contact details
Medicare PAC ID
5597787481
NPI enumeration date
March 23, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(707) 651-1000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
54
Medical school graduation
1998

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Antra Mahaldar practices at Vallejo Medical Center in Vallejo, California

Dr. Mahaldar's primary practice is Vallejo Medical Center, at 975 Sereno Dr, Vallejo, CA 94589 in Solano County. The practice phone is (707) 651-1000.

Source: Dmand AI Affiliation Data

Dr. Antra Mahaldar is affiliated with 4 sites of care and 1 medical group

Dr. Mahaldar's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Mahaldar to 1 more group practice or clinic, 1 home health agency and 1 hospice, each named with a free account.

See all 5 affiliations for Dr. Mahaldar

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Antra Mahaldar's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mahaldar practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Vallejo Medical CenterAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Antra Mahaldar is one of 1,502 hematologists and oncologists in California

Hematology and oncology is Dr. Mahaldar's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Mahaldar is board certified in medical oncology by the American Board of Internal Medicine. Dmand AI has Dr. Mahaldar's licenses on file in 2 states: Texas and California.

Specialties and state licenses

  • Hematology and oncology, TexasPrimaryLicense M2697 · 2005 to 2025 · taxonomy 207RH0003X
  • California license2013 to 2027

Clinical focus

Dmand AI lists prostate cancer among the conditions Dr. Mahaldar treats.

Hematologists and oncologists near Dr. Mahaldar

Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Antra Mahaldar's patients have a median age of 63

Across all payers, Dmand AI patient panel data puts Dr. Mahaldar's median patient age at 63, with 84% women.

Dr. Mahaldar's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women84%
  • Men14%

Source: Dmand AI Patient Panel Data

Dr. Antra Mahaldar wrote 964 Medicare Part D claims in 2024

In 2024, Dr. Mahaldar wrote 964 Medicare Part D claims for 249 patients. 82% of them were for generic drugs. CMS names the drug for 847 of them, across 21 drugs with 11 or more claims each, at $2,009,285 in total drug cost. In 2023, CMS named 974 claims across 24 drugs.

Part D claims, 2024964
Drugs named by CMS21
Total drug cost$2M
Part D patients249

Dr. Mahaldar's Part D claims by kind of drug, 2024

  • Generic788 claims82%
  • Brand-name176 claims18%

Dr. Mahaldar's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 9742024: 84713%

Drugs named by CMS: 21 in 2024, 24 in 2023.

See all prescribing by Dr. Mahaldar

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Antra Mahaldar takes part in Medicare

Dr. Mahaldar accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Antra Mahaldar has 1 award and honors on record

Dmand AI lists 1 award for Dr. Mahaldar, most recently CMS Stage 1 EHR in 2011.

Awards and honors for Dr. Mahaldar

  1. 2011
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Antra Mahaldar graduated from Government Medical College of Jammu and Kashmire

Dr. Mahaldar graduated from Government Medical College of Jammu and Kashmire in 1998.

  1. Medical schoolGovernment Medical College of Jammu and Kashmire
  2. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Antra Mahaldar accepts plans from 2 insurance carriers

Dr. Mahaldar is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Kaiser Permanente
  • CMS Medicare

Plan types Dr. Mahaldar accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Antra Mahaldar's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Antra Mahaldar

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Antra Mahaldar's NPI number?

Dr. Antra Mahaldar's NPI number is 1073572384. It was assigned on March 23, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Antra Mahaldar?

Dr. Antra Mahaldar is a hematologist and oncologist in Vallejo, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Antra Mahaldar practice?

Dr. Mahaldar practices at 975 Sereno Dr, Vallejo, CA 94589. Dr. Mahaldar's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dmand AI also links Dr. Mahaldar to 1 group practice or clinic, 1 home health agency and 1 hospice.

What is Dr. Antra Mahaldar's office phone number?

The practice phone on file for Dr. Mahaldar is (707) 651-1000.

What is Dr. Antra Mahaldar's medical license number?

Dr. Mahaldar's Texas license number on file is M2697, one of the licenses on file in 2 states.

Which states has Dr. Antra Mahaldar been licensed in?

Dmand AI has state licenses on file for Dr. Mahaldar in Texas (2005 to 2025) and California (2013 to 2027).

Which hospitals is Dr. Antra Mahaldar affiliated with?

Dr. Mahaldar practices at Vallejo Medical Center in Vallejo, California.

What medical group is Dr. Antra Mahaldar part of?

Dr. Mahaldar is linked to The Permanente Medical Group, Inc.

Does Dr. Antra Mahaldar accept Medicare?

Yes. CMS lists Dr. Mahaldar as accepting Medicare assignment.

Is Dr. Antra Mahaldar board certified?

Yes. Dr. Mahaldar is board certified in medical oncology by the American Board of Internal Medicine.

Show 4 more questionsShow fewer questions

Where did Dr. Antra Mahaldar go to medical school?

Dr. Mahaldar graduated from Government Medical College of Jammu and Kashmire in 1998.

What drugs does Dr. Antra Mahaldar prescribe most?

In 2024 Medicare Part D data, Dr. Mahaldar's most prescribed drugs by claims were Anastrozole, Letrozole and Ibrance.

How long has Dr. Antra Mahaldar been practicing?

Dr. Mahaldar graduated from medical school in 1998, 28 years ago.

What insurance does Dr. Antra Mahaldar accept?

Dr. Mahaldar is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

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