John Arnett, M.D.
NPI 1467451054 · Internal Medicine Physician · Louisville, KY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Arnett, M.D. is a Internal Medicine Physician provider in Louisville, KY (NPI 1467451054).
Provider details
- NPI number
- 1467451054
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 19467 (KY)
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
- 2005-07-18
- Last updated
- 2021-02-19
- Certified
- 2021-02-19
Frequently asked questions
- What is John Arnett's NPI number?
- John Arnett's National Provider Identifier (NPI) is 1467451054, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Arnett's specialty?
- John Arnett is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Arnett located?
- John Arnett's practice location on file with NPPES is 1720 W Broadway Ste 107, Louisville, KY 40203-3607.
- What is John Arnett's phone number?
- The practice phone number listed in the NPPES registry for John Arnett is (502) 340-5900.
- Does John Arnett accept Medicare?
- John Arnett is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Arnett's NPI active?
- Yes — John Arnett's NPI (1467451054) is active in the NPPES registry as of the last update on 2021-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.