Stephen Woloszynek, MD, PHD
NPI 1508494923 · Anesthesiology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Woloszynek, MD, PHD is a Anesthesiology Physician provider in Boston, MA (NPI 1508494923).
Provider details
- NPI number
- 1508494923
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 1022170 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-03-31
- Last updated
- 2025-09-04
- Certified
- 2025-09-04
Frequently asked questions
- What is Stephen Woloszynek's NPI number?
- Stephen Woloszynek's National Provider Identifier (NPI) is 1508494923, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Woloszynek's specialty?
- Stephen Woloszynek is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Woloszynek located?
- Stephen Woloszynek's practice location on file with NPPES is 330 Brookline Ave, Boston, MA 02215-5491.
- What is Stephen Woloszynek's phone number?
- The practice phone number listed in the NPPES registry for Stephen Woloszynek is (617) 667-7000.
- Does Stephen Woloszynek accept Medicare?
- Stephen Woloszynek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Woloszynek's NPI active?
- Yes — Stephen Woloszynek's NPI (1508494923) is active in the NPPES registry as of the last update on 2025-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.