Karl Astaphan, MD
NPI 1891897492 · Family Medicine Physician · Alcoa, TN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karl Astaphan, MD is a Family Medicine Physician provider in Alcoa, TN (NPI 1891897492).
Provider details
- NPI number
- 1891897492
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD70161 (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
19 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
- 2006-09-02
- Last updated
- 2026-02-06
- Certified
- 2026-02-06
Frequently asked questions
- What is Karl Astaphan's NPI number?
- Karl Astaphan's National Provider Identifier (NPI) is 1891897492, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karl Astaphan's specialty?
- Karl Astaphan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karl Astaphan located?
- Karl Astaphan's practice location on file with NPPES is 308 Fountain View Cir, Alcoa, TN 37701-1945.
- What is Karl Astaphan's phone number?
- The practice phone number listed in the NPPES registry for Karl Astaphan is (865) 672-5290.
- Does Karl Astaphan accept Medicare?
- Karl Astaphan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karl Astaphan's NPI active?
- Yes — Karl Astaphan's NPI (1891897492) is active in the NPPES registry as of the last update on 2026-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.