NPPES file of Aug 9, 2026

Galina Grigoriev Lagos, M.D.

Hematology & Oncology Physician · Providence, RI

Galina Grigoriev Lagos, M.D. is a hematology & oncology physician with a practice address in Providence, Rhode Island, and NPI 1154716546, issued on Apr 2, 2015. Check the license (Rhode Island MD17380, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; 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
1154716546
Name
Galina Grigoriev Lagos
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
MD17380 RI
Self-reported in NPPES; status is on the state search
Practice location
593 Eddy Street Apc Main, Providence, RI 02903
Phone
(401) 444-5435
Enumerated
Apr 2, 2015
Record last updated
Nov 18, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(401) 444-8301
Medicare enrollment
Enrolled (PECOS I20210915000593); accepts Medicare assignment
Medical or professional school
Columbia University College Of Physicians And Surgeons, 2015
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 88 in Rhode Island → Look up another NPI →

Also registered at 593 Eddy Street Apc Main

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

  1. Zhu Cui, MDHematology & Oncology Physician1083177596
  2. Andrew Hsu, M.D.Internal Medicine Physician1316366321
  3. Emily HsuHematology & Oncology Physician1326400482
  4. Jane McPhillips, RNPFamily Nurse Practitioner1124212055

Verify Galina Grigoriev Lagos in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
    Search for license MD17380    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 Rhode Island 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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17% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

727 Medicare Part D claims for 139 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 68 claims were for opioids.

  1. Galina Lagos727
  2. Specialty average877

Most prescribed

  1. Prochlorperazine Maleate66 claims
  2. Oxycodone Hcl47 claims
  3. Levothyroxine Sodium44 claims
  4. Dexamethasone41 claims
  5. Ondansetron Hcl34 claims
  6. Cabometyx30 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: $15.10

1 payment: food and beverage; the largest payer was Tempus AI, Inc. 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. Galina Lagos$15.10
  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.

One hospital affiliation

  1. Rhode Island HospitalProvidence, RI · Acute Care Hospitals4 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.

Galina Grigoriev Lagos among 88 hematology & oncology physician records in Rhode Island

Galina Grigoriev Lagos, M.D. is one of 88 hematology & oncology physician records with a practice address in Rhode Island. 85% 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 74% of them.

  • NPI issued2015 · 74% of these records are older, 22% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated2015 · median 2002 among the 64 with a school on file
  • Record last updated2021 · 52% 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 Rhode Island 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 Rhode Island

There are 88 hematology & oncology physician records in Rhode Island.

All 88 in Rhode Island → Every provider in Providence → Hematology & Oncology Physician nationwide →

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

  1. Ariel Birnbaum, M.D.Providence, RI 029031942212790
  2. James Butera, M.D.Providence, RI 029031790797538
  3. Maria Constantinou, MDProvidence, RI 029031407999444
  4. Wafik El Deiry, MDProvidence, RI 029031275575714
  5. Katherine Faricy-Anderson, MD MPHProvidence, RI 029031194940700
  6. Mary Anne Fenton, M.D.Providence, RI 029031881606622
  7. Humera Khurshid, MDProvidence, RI 029031013991926
  8. Adam Olszewski, M.D.Providence, RI 029031467436915

Common questions

What is Galina Grigoriev Lagos, M.D.'s NPI number?

Galina Grigoriev Lagos, M.D.'s National Provider Identifier (NPI) is 1154716546, issued on Apr 2, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Galina Grigoriev Lagos, M.D. located?

The NPPES record lists a practice address at 593 Eddy Street Apc Main, Providence, RI, 02903. Phone: (401) 444-5435. Providers update this record themselves, so call before visiting.

How can I verify Galina Grigoriev Lagos, M.D.'s license?

NPPES lists Rhode Island license number MD17380, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Galina Grigoriev Lagos, M.D. prescribe under Medicare Part D?

In 2024, Galina Grigoriev Lagos, M.D. had 727 Medicare Part D claims for 139 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.