Ryan Carroll, M.D., M.P.H
NPI 1821256876 · Pediatric Critical Care Medicine Physician · Boston, MA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Carroll, M.D., M.P.H is a Pediatric Critical Care Medicine Physician provider in Boston, MA (NPI 1821256876).
Provider details
- NPI number
- 1821256876
- Entity type
- Individual
- Primary specialty
- Pediatric Critical Care Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., M.P.H
- Sex
- Male
- Sole proprietor
- No
- License
- 036-113999 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
18 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$6,208 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-27
- Last updated
- 2010-11-01
Frequently asked questions
- What is Ryan Carroll's NPI number?
- Ryan Carroll's National Provider Identifier (NPI) is 1821256876, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Carroll's specialty?
- Ryan Carroll is listed in the NPPES registry with a primary specialty of Pediatric Critical Care Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Carroll located?
- Ryan Carroll's practice location on file with NPPES is 175 Cambridge St, Boston, MA 02114-2743.
- What is Ryan Carroll's phone number?
- The practice phone number listed in the NPPES registry for Ryan Carroll is (617) 724-4380.
- Does Ryan Carroll accept Medicare?
- Ryan Carroll is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Carroll's NPI active?
- Yes — Ryan Carroll's NPI (1821256876) is active in the NPPES registry as of the last update on 2010-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.