Lauren Petersen
NPI 1386339125 · Internal Medicine Physician · Saint Louis, MO
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lauren Petersen is a Internal Medicine Physician provider in Saint Louis, MO (NPI 1386339125).
Provider details
- NPI number
- 1386339125
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- 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
3 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)
- 3188 Bellevue Ave., Ml 0781Internal MedicineCincinnati, OH 45219Phone: (513) 584-4505Fax: (513) 584-0468
Registry dates
- Enumerated
- 2023-04-07
- Last updated
- 2026-05-24
- Certified
- 2026-05-24
Frequently asked questions
- What is Lauren Petersen's NPI number?
- Lauren Petersen's National Provider Identifier (NPI) is 1386339125, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lauren Petersen's specialty?
- Lauren Petersen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lauren Petersen located?
- Lauren Petersen's practice location on file with NPPES is 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110-1003.
- What is Lauren Petersen's phone number?
- The practice phone number listed in the NPPES registry for Lauren Petersen is (314) 454-8763.
- Does Lauren Petersen accept Medicare?
- Lauren Petersen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lauren Petersen's NPI active?
- Yes — Lauren Petersen's NPI (1386339125) is active in the NPPES registry as of the last update on 2026-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.