Margaret Lang, MD
NPI 1487395166 · Hospitalist Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Lang, MD is a Hospitalist Physician provider in Saint Louis, MO (NPI 1487395166).
Provider details
- NPI number
- 1487395166
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2022021275 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
4 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
- 2022-04-05
- Last updated
- 2025-05-30
- Certified
- 2025-05-30
Frequently asked questions
- What is Margaret Lang's NPI number?
- Margaret Lang's National Provider Identifier (NPI) is 1487395166, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Lang's specialty?
- Margaret Lang is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Lang located?
- Margaret Lang's practice location on file with NPPES is 1465 S Grand Blvd, Saint Louis, MO 63104-1003.
- What is Margaret Lang's phone number?
- The practice phone number listed in the NPPES registry for Margaret Lang is (314) 577-5634.
- Does Margaret Lang accept Medicare?
- Margaret Lang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Lang's NPI active?
- Yes — Margaret Lang's NPI (1487395166) is active in the NPPES registry as of the last update on 2025-05-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.