Brendan Knowles, D.O.
NPI 1912343542 · Internal Medicine Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brendan Knowles, D.O. is a Internal Medicine Physician provider in Knoxville, TN (NPI 1912343542).
Provider details
- NPI number
- 1912343542
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 3349 (TN)
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
13 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)
- 107 Dilworth StGlendive, MT 59330-2053Phone: (406) 345-8901
Registry dates
- Enumerated
- 2013-05-22
- Last updated
- 2022-07-21
Frequently asked questions
- What is Brendan Knowles's NPI number?
- Brendan Knowles's National Provider Identifier (NPI) is 1912343542, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brendan Knowles's specialty?
- Brendan Knowles is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brendan Knowles located?
- Brendan Knowles's practice location on file with NPPES is 501 20th St Ste 404, Knoxville, TN 37916-1822.
- What is Brendan Knowles's phone number?
- The practice phone number listed in the NPPES registry for Brendan Knowles is (865) 522-6964.
- Does Brendan Knowles accept Medicare?
- Brendan Knowles is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brendan Knowles's NPI active?
- Yes — Brendan Knowles's NPI (1912343542) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.