Mallika Krishnan Marar, MD
Radiation Oncology Physician · Stanford, CA
Mallika Krishnan Marar, MD is a radiation oncology physician with a practice address in Stanford, California, and NPI 1417418252, issued on Mar 26, 2019. Check the license (California A182470, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mallika Krishnan Marar
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- A182470 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Mar 26, 2019
- Record last updated
- Oct 8, 2024
- Medicare enrollment
- Enrolled (PECOS I20240822002271); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 735 in California → Look up another NPI →
Also registered at 300 Pasteur Dr
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Verify Mallika Krishnan Marar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A182470Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average radiation oncology physician in 2024
23 Medicare Part D claims, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Industry payments in 2024: $308.00
1 payment: food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Stanford Health CareStanford, CA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Mallika Krishnan Marar among 735 radiation oncology physician records in California
Mallika Krishnan Marar, MD is one of 735 radiation oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 92% of them.
- NPI issued2019 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2019 · median 2005 among the 545 with a school on file
- Record last updated2024 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
43 radiation oncology physician records list a practice address in Stanford
They are 43 of the 5,606 NPPES records with a practice address in Stanford, and 735 radiation oncology physician records in California.
All 735 in California → Every provider in Stanford → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Mark Buyyounouski, M.D.Stanford, CA 943051912927021
- Sarah Donaldson, M.D.Stanford, CA 943051033276316
- Steven Hancock, M.D.Stanford, CA 943051821136631
- Wendy Hara, M.D.Stanford, CA 943051437343076
- Richard Hoppe, M.D.Stanford, CA 943051730221821
- Kathleen Horst, M.D.Stanford, CA 943051144385386
- Daniel Kapp, MDStanford, CA 943051063550747
- Elizabeth Kidd, M.D.Stanford, CA 943051760508899
Common questions
What is Mallika Krishnan Marar, MD's NPI number?
Mallika Krishnan Marar, MD's National Provider Identifier (NPI) is 1417418252, issued on Mar 26, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Mallika Krishnan Marar, MD located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Mallika Krishnan Marar, MD's license?
NPPES lists California license number A182470, 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 Mallika Krishnan Marar, MD prescribe under Medicare Part D?
In 2024, Mallika Krishnan Marar, MD had 23 Medicare Part D claims; the average among radiation oncology physician prescribers was 134. 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.