Michelle Sineff, MD
NPI 1316939838 · Pediatrics Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michelle Sineff, MD is a Pediatrics Physician provider in Saint Louis, MO (NPI 1316939838).
Provider details
- NPI number
- 1316939838
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036107072 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 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
- 2005-08-19
- Last updated
- 2021-01-15
- Certified
- 2021-01-15
Frequently asked questions
- What is Michelle Sineff's NPI number?
- Michelle Sineff's National Provider Identifier (NPI) is 1316939838, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michelle Sineff's specialty?
- Michelle Sineff is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Michelle Sineff located?
- Michelle Sineff's practice location on file with NPPES is 1465 S Grand Blvd, Saint Louis, MO 63104-1003.
- What is Michelle Sineff's phone number?
- The practice phone number listed in the NPPES registry for Michelle Sineff is (314) 268-4070.
- Does Michelle Sineff accept Medicare?
- Michelle Sineff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michelle Sineff's NPI active?
- Yes — Michelle Sineff's NPI (1316939838) is active in the NPPES registry as of the last update on 2021-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.