Phillip Seifert, M.D.
NPI 1306885454 · Internal Medicine Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Phillip Seifert, M.D. is a Internal Medicine Physician provider in Knoxville, TN (NPI 1306885454).
Provider details
- NPI number
- 1306885454
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 26622 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-06-05
- Last updated
- 2019-06-20
Frequently asked questions
- What is Phillip Seifert's NPI number?
- Phillip Seifert's National Provider Identifier (NPI) is 1306885454, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Phillip Seifert's specialty?
- Phillip Seifert is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Phillip Seifert located?
- Phillip Seifert's practice location on file with NPPES is 900 E Oak Hill Ave, Knoxville, TN 37917-4522.
- What is Phillip Seifert's phone number?
- The practice phone number listed in the NPPES registry for Phillip Seifert is (865) 545-8000.
- Does Phillip Seifert accept Medicare?
- Phillip Seifert is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Phillip Seifert's NPI active?
- Yes — Phillip Seifert's NPI (1306885454) is active in the NPPES registry as of the last update on 2019-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.