Registry data as of Aug 27, 2026

Ryan Carroll, M.D., M.P.H

Pediatric Critical Care Medicine Physician · Boston, MA

Ryan Carroll, M.D., M.P.H is a pediatric critical care medicine physician with a practice address in Boston, Massachusetts, and NPI 1821256876, issued on May 27, 2008. Check the license on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1821256876
Name
Ryan Carroll
Credential
M.D., M.P.H
Primary taxonomy
Pediatric Critical Care Medicine Physician 2080P0203X
Practice location
175 Cambridge St, Boston, MA 02114
Phone
(617) 724-4380
Enumerated
May 27, 2008
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 175 Cambridge St

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

  1. Adila AbulhamailNeonatal-Perinatal Medicine Physician1790334217
  2. Laurie Barefoot, NPAdult Health Nurse Practitioner1720392921
  3. Jaime Belkind-Gerson, M.D., MSCPediatric Gastroenterology Physician1609193440
  4. Allison Caravana-LillyClinical Social Worker1134614738
  5. Fiona Danaher, MD, MPHPediatrics Physician1821353798
  6. Katharine Davidoff, M.D.Pediatrics Physician1285020990

Verify Ryan Carroll in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in MedicineCheck 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.

Industry payments in 2024: $6,207.72

6 payments, mostly food and beverage; the largest payer was Mallinckrodt Hospital Products Inc.. The 301 providers of this specialty with any payment received $1,043.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ryan Carroll$6,207.72
  2. Specialty average$1,043.07

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

Pediatric Critical Care Medicine Physician providers in Massachusetts

There are 71 pediatric critical care medicine physician records in Massachusetts.

Other pediatric critical care medicine physician records in Massachusetts

  1. Ben Albert, M.D.Boston, MA1912297045
  2. Peta-Maree Alexander, MBBSBoston, MA1215378435
  3. Mohammed Alobaylan, MDBoston, MA1437029774
  4. Carrie Armsby, MDWorcester, MA1063480341
  5. Cheuk Chung Au, M.B.B.S.Boston, MA1194272013
  6. David Bailly, D.O.Boston, MA1851505069
  7. Shreerupa Basu, MBBSBoston, MA1205610789
  8. Pallav Bhattarai, MDWorcester, MA1669896775
  9. Niti BidjaBoston, MA1235965419
  10. Michael Canarie, MDSpringfield, MA1578684718

Common questions

What is Ryan Carroll, M.D., M.P.H's NPI number?

Ryan Carroll, M.D., M.P.H's National Provider Identifier (NPI) is 1821256876, issued on May 27, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Ryan Carroll, M.D., M.P.H located?

The NPPES record lists a practice address at 175 Cambridge St, Boston, MA, 02114. Phone: (617) 724-4380. Providers update this record themselves, so call before visiting.

How can I verify Ryan Carroll, M.D., M.P.H's license?

Search the Massachusetts Board of Registration in Medicine at https://www.mass.gov/orgs/board-of-registration-in-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.