IndividualActive
Margaret Kowalski, MD, MPH
NPI 1902538507 · Pediatrics Physician · Saint Louis, MO
Margaret Kowalski, MD, MPH is a Pediatrics Physician provider in Saint Louis, MO (NPI 1902538507).
Provider details
- NPI number
- 1902538507
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MPH
- Sex
- Female
- Sole proprietor
- No
- License
- 2022025361 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(60/100 index)
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
660 S Euclid Ave # 8072
Saint Louis, MO 63110-1010
Phone: (314) 362-9177
Street-level locationGet directions
Mailing address
660 S Euclid Ave # 8072
Saint Louis, MO 63110-1010
Registry dates
- Enumerated
- 2022-06-30
- Last updated
- 2025-05-31
- Certified
- 2025-05-31
Frequently asked questions
- What is Margaret Kowalski's NPI number?
- Margaret Kowalski's National Provider Identifier (NPI) is 1902538507, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Kowalski's specialty?
- Margaret Kowalski is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Kowalski located?
- Margaret Kowalski's practice location on file with NPPES is 660 S Euclid Ave # 8072, Saint Louis, MO 63110-1010.
- What is Margaret Kowalski's phone number?
- The practice phone number listed in the NPPES registry for Margaret Kowalski is (314) 362-9177.
- Is Margaret Kowalski's NPI active?
- Yes — Margaret Kowalski's NPI (1902538507) is active in the NPPES registry as of the last update on 2025-05-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.