Margaret Lewen, MD
NPI 1811350168 · Pediatric Critical Care Medicine Physician · Pittsburgh, PA
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Lewen, MD is a Pediatric Critical Care Medicine Physician provider in Pittsburgh, PA (NPI 1811350168).
Provider details
- NPI number
- 1811350168
- Entity type
- Individual
- Primary specialty
- Pediatric Critical Care Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- 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 tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
83% 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)
- 300 Longwood Ave Pavilion 129, Housestaff Lounge,Boston Childrens Hospital, Hunnewell BuildingBoston, MA 02115Phone: (203) 313-9434
Registry dates
- Enumerated
- 2016-04-04
- Last updated
- 2025-07-07
- Certified
- 2025-07-07
Frequently asked questions
- What is Margaret Lewen's NPI number?
- Margaret Lewen's National Provider Identifier (NPI) is 1811350168, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Lewen's specialty?
- Margaret Lewen is listed in the NPPES registry with a primary specialty of Pediatric Critical Care Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Lewen located?
- Margaret Lewen's practice location on file with NPPES is 4401 Penn Avenue, Pittsburgh, PA 15224.
- What is Margaret Lewen's phone number?
- The practice phone number listed in the NPPES registry for Margaret Lewen is (412) 647-3136.
- Does Margaret Lewen accept Medicare?
- Margaret Lewen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Lewen's NPI active?
- Yes — Margaret Lewen's NPI (1811350168) is active in the NPPES registry as of the last update on 2025-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.