NPPES file of Aug 9, 2026

Rio S. Nomoto, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Boston, MA

Rio S. Nomoto, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Boston, Massachusetts, and NPI 1770019648, issued on May 11, 2017. Check the license (Massachusetts 1022680, 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
1770019648
Name
Rio S. Nomoto
Credential
MD
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License numbers
1022680 MA
271131 MA
Self-reported in NPPES; status is on the state search
Practice location
330 Brookline Ave, Boston, MA 02215
Phone
(617) 667-7000
Enumerated
May 11, 2017
Record last updated
Jul 16, 2025
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 330 Brookline Ave

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

  1. Amtul Aala, MDNephrology Physician1174946347
  2. Elijah AbassStudent in an Organized Health Care Education/Training Program1306784947
  3. Omar Abdel-Razek, MDInterventional Cardiology Physician1912780008
  4. Youssef Abdullah, MD, MBAStudent in an Organized Health Care Education/Training Program1346983442
  5. Najma Abdullahi, MD, MPHStudent in an Organized Health Care Education/Training Program1669213054
  6. Elisabeth AbelesStudent in an Organized Health Care Education/Training Program1528659760

Verify Rio S. Nomoto 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 1022680
    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

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73% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024

27 Medicare Part D claims for 16 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D.

  1. Rio Nomoto27
  2. Specialty average101

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: $324.02

4 payments; by number, the most common kind was food and beverage; the largest payer was Medical Device Business Services, Inc. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Rio Nomoto$324.02
  2. Specialty average$7,828.84

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

Rio S. Nomoto among 228 thoracic surgery (cardiothoracic vascular surgery) physician records in Massachusetts

Rio S. Nomoto, MD is one of 228 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Massachusetts. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 87% of them.

  • NPI issued2017 · 87% of these records are older, 11% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2025 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Massachusetts

There are 228 thoracic surgery (cardiothoracic vascular surgery) physician records in Massachusetts.

The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes

  1. Louis Chu, M.D.Boston, MA 022151326288473
  2. Sidharta Gangadharan, M.D.Boston, MA 022151184656605
  3. Robert Hagberg, MDBoston, MA 022151356333439
  4. Michael Kent, M.D.Boston, MA 022151023210218
  5. Kamal Khabbaz, M.D.Boston, MA 022151992731558
  6. Antonio Lassaletta, MDBoston, MA 022151225284441
  7. Sidney Levitsky, M.D.Boston, MA 022151346237260
  8. David Liu, MDBoston, MA 022151043210768

Common questions

What is Rio S. Nomoto, MD's NPI number?

Rio S. Nomoto, MD's National Provider Identifier (NPI) is 1770019648, issued on May 11, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Rio S. Nomoto, MD located?

The NPPES record lists a practice address at 330 Brookline Ave, Boston, MA, 02215. Phone: (617) 667-7000. Providers update this record themselves, so call before visiting.

How can I verify Rio S. Nomoto, MD's license?

NPPES lists Massachusetts license number 1022680, 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 Rio S. Nomoto, MD prescribe under Medicare Part D?

In 2024, Rio S. Nomoto, MD had 27 Medicare Part D claims for 16 beneficiaries; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. 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.