NPPES file of Aug 9, 2026

Amir Tabatabai, M.D.

Hematology & Oncology Physician · Los Gatos, CA

Amir Tabatabai, M.D. is a hematology & oncology physician with a practice address in Los Gatos, California, and NPI 1871592154, issued on Jul 19, 2005. Check the license (California C144611, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871592154
Name
Amir Tabatabai
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
C144611 CA
MD070951L PA
Self-reported in NPPES; status is on the state search
Practice location
15400 National Ave Ste 201, Los Gatos, CA 95032
Phone
(408) 358-8415
Enumerated
Jul 19, 2005
Record last updated
May 14, 2026
Fax
(408) 502-9740
Medicare enrollment
Enrolled (PECOS I20230106000664); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →

Also registered at 15400 National Ave Ste 201

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Raina Ferzoco, M.D.Hematology & Oncology Physician1811213564
  2. Simranjit Sekhon, M.D.Hematology & Oncology Physician1558632505

Verify Amir Tabatabai in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C144611    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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16% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

737 Medicare Part D claims for 224 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 16 claims were for opioids.

  1. Amir Tabatabai737
  2. Specialty average877

Most prescribed

  1. Anastrozole160 claims
  2. Dexamethasone55 claims
  3. Acyclovir43 claims
  4. Letrozole30 claims
  5. Tamoxifen Citrate30 claims
  6. Prednisone26 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: $13.11

1 payment: food and beverage; the largest payer was Fresenius Kabi USA, LLC. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Amir Tabatabai$13.11
  2. Specialty average$7,481.41

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Dignity Health Medical FoundationSanta Cruz, CA
  2. Monterey Bay Oncology A Medical CorporationLos Gatos, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Amir Tabatabai among 1,583 hematology & oncology physician records in California

Amir Tabatabai, M.D. is one of 1,583 hematology & 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 92% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1994 · median 2003 among the 1,124 with a school on file
  • Record last updated2026 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in California

There are 1,583 hematology & oncology physician records in California.

All 1,583 in California → Every provider in Los Gatos → Hematology & Oncology Physician nationwide →

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Ying Cao, MD, PH.DLos Gatos, CA 950321326209438
  2. Raina Ferzoco, M.D.Los Gatos, CA 950321811213564
  3. Simranjit Sekhon, M.D.Los Gatos, CA 950321558632505
  4. Carol Mei, M.D.Hollister, CA 950231528041720
  5. Lynne Bui, M.D.Gilroy, CA 950201114169323
  6. Ronald Yanagihara, M.D.Gilroy, CA 950201366478240
  7. Samina Ahmed, MDSanta Clara, CA 950511114180197
  8. Jeffrey Bien, M.D.Santa Clara, CA 950511487040911

Common questions

What is Amir Tabatabai, M.D.'s NPI number?

Amir Tabatabai, M.D.'s National Provider Identifier (NPI) is 1871592154, issued on Jul 19, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Amir Tabatabai, M.D. located?

The NPPES record lists a practice address at 15400 National Ave Ste 201, Los Gatos, CA, 95032. Phone: (408) 358-8415. Providers update this record themselves, so call before visiting.

How can I verify Amir Tabatabai, M.D.'s license?

NPPES lists California license number C144611, 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 Amir Tabatabai, M.D. prescribe under Medicare Part D?

In 2024, Amir Tabatabai, M.D. had 737 Medicare Part D claims for 224 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.