Ryan Stevenson, M.D
NPI 1134378615 · Internal Medicine Physician · Boston, MA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Stevenson, M.D is a Internal Medicine Physician provider in Boston, MA (NPI 1134378615).
Provider details
- NPI number
- 1134378615
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
17 yrs in NPPES registry
- Profile completeness33% of score
83% 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lenalidomide | 243 | 33 |
| Dexamethasone | 139 | 42 |
| Prednisone | 130 | 30 |
| Acyclovir | 115 | 47 |
| Hydroxyurea | 99 | 33 |
| Ondansetron Hcl | 86 | 38 |
| Epoetin Alfabrand: Procrit | 60 | — |
| Filgrastim-Aafibrand: Nivestym | 41 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$24 across 1 record (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
- 2008-09-09
- Last updated
- 2021-12-17
Frequently asked questions
- What is Ryan Stevenson's NPI number?
- Ryan Stevenson's National Provider Identifier (NPI) is 1134378615, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Stevenson's specialty?
- Ryan Stevenson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Stevenson located?
- Ryan Stevenson's practice location on file with NPPES is 800 Washington St, Boston, MA 02111-1552.
- What is Ryan Stevenson's phone number?
- The practice phone number listed in the NPPES registry for Ryan Stevenson is (925) 324-0491.
- Does Ryan Stevenson accept Medicare?
- Ryan Stevenson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Stevenson's NPI active?
- Yes — Ryan Stevenson's NPI (1134378615) is active in the NPPES registry as of the last update on 2021-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.