John Farrell, M.D.
NPI 1194724724 · Gastroenterology Physician · Saint Louis, MO
John Farrell, M.D. is a Gastroenterology Physician provider in Saint Louis, MO (NPI 1194724724).
Provider details
- NPI number
- 1194724724
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- R5636 (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
- 2005-07-15
- Last updated
- 2008-11-04
Frequently asked questions
- What is John Farrell's NPI number?
- John Farrell's National Provider Identifier (NPI) is 1194724724, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Farrell's specialty?
- John Farrell is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is John Farrell located?
- John Farrell's practice location on file with NPPES is 621 S New Ballas Rd, Saint Louis, MO 63141-8232.
- What is John Farrell's phone number?
- The practice phone number listed in the NPPES registry for John Farrell is (314) 251-6966.
- Is John Farrell's NPI active?
- Yes — John Farrell's NPI (1194724724) is active in the NPPES registry as of the last update on 2008-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.