John Korfhage, CRNA
NPI 1649208810 · Certified Registered Nurse Anesthetist · Louisville, KY
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Korfhage, CRNA is a Certified Registered Nurse Anesthetist provider in Louisville, KY (NPI 1649208810).
Provider details
- NPI number
- 1649208810
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Male
- Sole proprietor
- No
- License
- 2546A (KY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
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
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)
- 332 W BroadwayLouisville, KY 40202-2130Phone: (502) 583-0909Fax: (502) 583-0913
Registry dates
- Enumerated
- 2006-06-28
- Last updated
- 2023-07-11
- Certified
- 2023-07-11
Frequently asked questions
- What is John Korfhage's NPI number?
- John Korfhage's National Provider Identifier (NPI) is 1649208810, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Korfhage's specialty?
- John Korfhage is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Korfhage located?
- John Korfhage's practice location on file with NPPES is 231 E Chestnut St, Louisville, KY 40202-1821.
- What is John Korfhage's phone number?
- The practice phone number listed in the NPPES registry for John Korfhage is (502) 629-6000.
- Does John Korfhage accept Medicare?
- John Korfhage is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Korfhage's NPI active?
- Yes — John Korfhage's NPI (1649208810) is active in the NPPES registry as of the last update on 2023-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.