Marcia Kathryn Steiner, M.D.
NPI 1629003694 · Pulmonary Disease Physician · Boston, MA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcia Kathryn Steiner, M.D. is a Pulmonary Disease Physician provider in Boston, MA (NPI 1629003694).
Provider details
- NPI number
- 1629003694
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 219711 (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
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 55 Lake Ave NDepartment of Pulmonary MedicineWorcester, MA 01655-0002Phone: (508) 856-2781Fax: (508) 856-3999
Registry dates
- Enumerated
- 2006-07-11
- Last updated
- 2021-07-13
- Certified
- 2021-07-13
Frequently asked questions
- What is Marcia Kathryn Steiner's NPI number?
- Marcia Kathryn Steiner's National Provider Identifier (NPI) is 1629003694, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcia Kathryn Steiner's specialty?
- Marcia Kathryn Steiner is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Marcia Kathryn Steiner located?
- Marcia Kathryn Steiner's practice location on file with NPPES is 125 Parker Hill Ave, Boston, MA 02120-2847.
- What is Marcia Kathryn Steiner's phone number?
- The practice phone number listed in the NPPES registry for Marcia Kathryn Steiner is (617) 754-5000.
- Does Marcia Kathryn Steiner accept Medicare?
- Marcia Kathryn Steiner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcia Kathryn Steiner's NPI active?
- Yes — Marcia Kathryn Steiner's NPI (1629003694) is active in the NPPES registry as of the last update on 2021-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.