John Cassels, MD
NPI 1295783157 · Obstetrics & Gynecology Physician · Columbia, MO
John Cassels, MD is a Obstetrics & Gynecology Physician provider in Columbia, MO (NPI 1295783157).
Provider details
- NPI number
- 1295783157
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- R8P60 (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
- 2006-05-04
- Last updated
- 2009-04-10
Frequently asked questions
- What is John Cassels's NPI number?
- John Cassels's National Provider Identifier (NPI) is 1295783157, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Cassels's specialty?
- John Cassels is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is John Cassels located?
- John Cassels's practice location on file with NPPES is 500 Keene St, Columbia, MO 65201-8104.
- What is John Cassels's phone number?
- The practice phone number listed in the NPPES registry for John Cassels is (573) 499-6071.
- Is John Cassels's NPI active?
- Yes — John Cassels's NPI (1295783157) is active in the NPPES registry as of the last update on 2009-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.