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Charles O'Connor, MD
NPI 1720053523 · Gastroenterology Physician · Knoxville, TN
Charles O'Connor, MD is a Gastroenterology Physician provider in Knoxville, TN (NPI 1720053523).
Provider details
- NPI number
- 1720053523
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD20544 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
1311 Dowell Springs Blvd
Suite 300
Knoxville, TN 37909-2454
Phone: (865) 588-5121
Fax: (865) 588-2126
Street-level locationGet directions
Mailing address
Po Box 59002
Knoxville, TN 37950-9002
Registry dates
- Enumerated
- 2006-02-23
- Last updated
- 2017-05-04
Frequently asked questions
- What is Charles O'Connor's NPI number?
- Charles O'Connor's National Provider Identifier (NPI) is 1720053523, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles O'Connor's specialty?
- Charles O'Connor is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Charles O'Connor located?
- Charles O'Connor's practice location on file with NPPES is 1311 Dowell Springs Blvd, Knoxville, TN 37909-2454.
- What is Charles O'Connor's phone number?
- The practice phone number listed in the NPPES registry for Charles O'Connor is (865) 588-5121.
- Is Charles O'Connor's NPI active?
- Yes — Charles O'Connor's NPI (1720053523) is active in the NPPES registry as of the last update on 2017-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.