John Ehrhardt, M.D.
NPI 1669000345 · Surgery Physician · Louisville, KY
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Ehrhardt, M.D. is a Surgery Physician provider in Louisville, KY (NPI 1669000345).
Provider details
- NPI number
- 1669000345
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 01096967A (IN)
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
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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 (2)
- 1263 Hospital Dr Nw Ste 270Corydon, IN 47112-2178Phone: (812) 738-4251
- 4900 Houston RdFlorence, KY 41042-4824Phone: (859) 301-8074Fax: (859) 301-4945
Registry dates
- Enumerated
- 2020-03-30
- Last updated
- 2026-01-21
- Certified
- 2026-01-21
Frequently asked questions
- What is John Ehrhardt's NPI number?
- John Ehrhardt's National Provider Identifier (NPI) is 1669000345, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Ehrhardt's specialty?
- John Ehrhardt is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is John Ehrhardt located?
- John Ehrhardt's practice location on file with NPPES is 225 Abraham Flexner Way Ste 700, Louisville, KY 40202-3868.
- What is John Ehrhardt's phone number?
- The practice phone number listed in the NPPES registry for John Ehrhardt is (502) 561-4200.
- Does John Ehrhardt accept Medicare?
- John Ehrhardt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Ehrhardt's NPI active?
- Yes — John Ehrhardt's NPI (1669000345) is active in the NPPES registry as of the last update on 2026-01-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.