NPPES file of Aug 9, 2026

Uma Narayanasami, M.D.

Hematology & Oncology Physician · Boston, MA

Uma Narayanasami, M.D. is a hematology & oncology physician with a practice address in Boston, Massachusetts, and NPI 1316990872, issued on May 18, 2006. Check the license (Massachusetts 210562, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; 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
1316990872
Name
Uma Narayanasami
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
210562 MA
Self-reported in NPPES; status is on the state search
Practice location
750 Washington St, Boston, MA 02111
Phone
(617) 636-5000
Enumerated
May 18, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20060519000090); 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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Also registered at 750 Washington St

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

  1. Maureen Abbott, NPAdult Health Nurse Practitioner1457591638
  2. Paul Abourjaily, PHARMDPharmacotherapy Pharmacist1255337044
  3. Lori Abrahamian, M.D.Anesthesiology Physician1528012192
  4. Mary Ahern, PMHCNS-BCPsychiatric/Mental Health Clinical Nurse Specialist1619137742
  5. Ghada Al Mubarak, M.D.Surgery Physician1407034911
  6. Abeer Al-Naqbi, M.D.Obstetrics & Gynecology Physician1043426919

Verify Uma Narayanasami in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 210562
    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 Massachusetts 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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35% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

569 Medicare Part D claims for 119 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 25 claims were for opioids.

  1. Uma Narayanasami569
  2. Specialty average877

Most prescribed

  1. Letrozole75 claims
  2. Prednisone56 claims
  3. Anastrozole50 claims
  4. Dexamethasone45 claims
  5. Prochlorperazine Maleate32 claims
  6. Alendronate Sodium28 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: $16.15

1 payment: food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. 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. Uma Narayanasami$16.15
  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 one group practice

  1. Massachusetts General Physicians Organization IncBoston, MA

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

Uma Narayanasami among 461 hematology & oncology physician records in Massachusetts

Uma Narayanasami, M.D. is one of 461 hematology & oncology physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.

  • NPI issued2006 · 14% of these records are older, 50% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1993 · median 2004 among the 303 with a school on file
  • Record last updated2007 · 62% 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 Massachusetts 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 Massachusetts

There are 461 hematology & oncology physician records in Massachusetts.

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

  1. Anubha Bharthuar, MDBoston, MA 021111063739969
  2. Parva Bhatt, M.D.Boston, MA 021111689055832
  3. Sharan Bijlani, MDBoston, MA 021111962061903
  4. Rachel Buchsbaum, MDBoston, MA 021111255360640
  5. Raymond Comenzo, MDBoston, MA 021111750352787
  6. Jacob Elkon, MDBoston, MA 021111104153105
  7. Ruchi Hamal, MDBoston, MA 021111447670823
  8. Andreas Klein, MDBoston, MA 021111285740969

Common questions

What is Uma Narayanasami, M.D.'s NPI number?

Uma Narayanasami, M.D.'s National Provider Identifier (NPI) is 1316990872, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Uma Narayanasami, M.D. located?

The NPPES record lists a practice address at 750 Washington St, Boston, MA, 02111. Phone: (617) 636-5000. Providers update this record themselves, so call before visiting.

How can I verify Uma Narayanasami, M.D.'s license?

NPPES lists Massachusetts license number 210562, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Uma Narayanasami, M.D. prescribe under Medicare Part D?

In 2024, Uma Narayanasami, M.D. had 569 Medicare Part D claims for 119 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.