James Petersen, M.D.
NPI 1831169275 · Gastroenterology Physician · Lake St Louis, MO
James Petersen, M.D. is a Gastroenterology Physician provider in Lake St Louis, MO (NPI 1831169275).
Provider details
- NPI number
- 1831169275
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MOR7B69 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-01-26
- Last updated
- 2014-07-18
Frequently asked questions
- What is James Petersen's NPI number?
- James Petersen's National Provider Identifier (NPI) is 1831169275, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Petersen's specialty?
- James Petersen is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is James Petersen located?
- James Petersen's practice location on file with NPPES is 200 Brevco Plz, Lake St Louis, MO 63367-2949.
- What is James Petersen's phone number?
- The practice phone number listed in the NPPES registry for James Petersen is (636) 561-9020.
- Is James Petersen's NPI active?
- Yes — James Petersen's NPI (1831169275) is active in the NPPES registry as of the last update on 2014-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.