NPPES file of Aug 9, 2026

Tatini Datta

Hematology & Oncology Physician · Sacramento, CA

Tatini Datta is a hematology & oncology physician with a practice address in Sacramento, California, and NPI 1134513187, issued on Mar 26, 2015. Check the license (California A144990, 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
1134513187
Name
Tatini Datta
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
A144990 CA
Self-reported in NPPES; status is on the state search
Practice location
4150 V St # 1110, Sacramento, CA 95817
Phone
(916) 734-2737
Enumerated
Mar 26, 2015
Record last updated
Feb 11, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 4150 V St # 1110

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

  1. Jennifer AhnStudent in an Organized Health Care Education/Training Program1548536055
  2. Emily BeckPulmonary Disease Physician1326338195
  3. Sarah Chan, M.D.Internal Medicine Physician1083008510
  4. Doris ChenNeurology Physician1013301969
  5. Wendy Chu, M.D.Hospitalist Physician1780901231
  6. Jeremy Demartini, M.D.Psychiatry Physician1669715512

Verify Tatini Datta in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A144990
    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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88% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

109 Medicare Part D claims for 63 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.

  1. Tatini Datta109
  2. Specialty average877

Most prescribed

  1. Anastrozole59 claims
  2. Alendronate Sodium12 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.

Tatini Datta among 1,583 hematology & oncology physician records in California

Tatini Datta 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 2015, is newer than 84% of them.

  • NPI issued2015 · 84% of these records are older, 13% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 71% of these records are
  • Record last updated2022 · 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.

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

  1. Mehrad Abedi, M.D.Sacramento, CA 958171467459222
  2. Helen Chew, M.D.Sacramento, CA 958171801870142
  3. David Gandara, M.D.Sacramento, CA 958171528042587
  4. Richard Guy, M.D.Sacramento, CA 958171578545190
  5. Kit Lam, M.D., PH.D.Sacramento, CA 958171306829577
  6. Primo Lara, M.D.Sacramento, CA 958171972585743
  7. Derick Lau, M.D., PH.D.Sacramento, CA 958171801879077
  8. Robert O'Donnell, M.D., PH.D.Sacramento, CA 958171386627586

Common questions

What is Tatini Datta's NPI number?

Tatini Datta's National Provider Identifier (NPI) is 1134513187, issued on Mar 26, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Tatini Datta located?

The NPPES record lists a practice address at 4150 V St # 1110, Sacramento, CA, 95817. Phone: (916) 734-2737. Providers update this record themselves, so call before visiting.

How can I verify Tatini Datta's license?

NPPES lists California license number A144990, 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 Tatini Datta prescribe under Medicare Part D?

In 2024, Tatini Datta had 109 Medicare Part D claims for 63 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.

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.