John Helton, MD
NPI 1417921156 · Internal Medicine Physician · Chesterfield, MO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Helton, MD is a Internal Medicine Physician provider in Chesterfield, MO (NPI 1417921156).
Provider details
- NPI number
- 1417921156
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 108803 (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
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)
- 1000 Des Peres RdSuite 310Des Peres, MO 63131-2050Phone: (314) 821-1313Fax: (314) 821-5670
Registry dates
- Enumerated
- 2006-02-16
- Last updated
- 2019-03-12
Frequently asked questions
- What is John Helton's NPI number?
- John Helton's National Provider Identifier (NPI) is 1417921156, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Helton's specialty?
- John Helton is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Helton located?
- John Helton's practice location on file with NPPES is 15740 S Outer 40 Rd, Chesterfield, MO 63017-2004.
- What is John Helton's phone number?
- The practice phone number listed in the NPPES registry for John Helton is (636) 237-4361.
- Does John Helton accept Medicare?
- John Helton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Helton's NPI active?
- Yes — John Helton's NPI (1417921156) is active in the NPPES registry as of the last update on 2019-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.