JOHN DENNIS EHRHARDT JR. M.D.
NPI 1669000345
Surgery in Louisville, KY

Q: What is John Ehrhardt's NPI number?

The NPI number for John Ehrhardt is 1669000345. It was assigned to this individual provider in the NPPES registry on March 30, 2020.

Q: What is John Ehrhardt's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Q: When was this NPI record last updated?

The NPPES record for John Ehrhardt was last updated on January 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 30, 2020PECOS Enrolled

225 ABRAHAM FLEXNER WAY STE 700, LOUISVILLE, KY 40202(502) 561-4200 Get Directions Write a Review

NPPES record last updated: January 21, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 21, 2026, Dec 13, 2025, Nov 20, 2025 and 1 more (4 updates tracked since 2020).

On this page

About John Dennis Ehrhardt Jr. M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN DENNIS EHRHARDT JR. M.D. (NPI 1669000345) is an individual surgery provider in Louisville, Kentucky, licensed in Indiana (01096967A) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1669000345

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameJOHN DENNIS EHRHARDT JR.Credential: M.D.

Location Address225 ABRAHAM FLEXNER WAY STE 700Louisville, KY 40202-3868

Mailing Address225 Abraham Flexner Way Ste 850Louisville, KY 40202-3840 · (502) 561-4266

Phone(502) 561-4200

Sole ProprietorNo

Medical School CMSOtherGraduated 2020

Enumeration DateMarch 30, 2020

Last NPPES UpdateJanuary 21, 20264 updates tracked since enumeration

NPPES CertifiedJanuary 21, 2026

✔ NPI 1669000345 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

Licenses✔ Licensed in IN · 01096967A✔ Licensed in KY · 60861

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

225 ABRAHAM FLEXNER WAY STE 700, Louisville, KY 40202

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Secondary Practice Locations 2

Location 14900 Houston RdFlorence, KY 41042-4824 · Phone (859) 301-8074 · Fax (859) 301-4945

Location 21263 Hospital Dr NW Ste 270Corydon, IN 47112-2178 · Phone (812) 738-4251

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Molina Healthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John Dennis Ehrhardt Jr. M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6002262730

PECOS Enrollment IDI20251218002537, I20260130003236

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show John Ehrhardt reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Harrison County Hospital

9.5 mi

Obstetrics & Gynecology

5300 STATE ROAD 64 STE 103
Georgetown, IN 47122

Reassigned Medicare billing, Indiana enrollment
73 clinicians in this Medicare group

NPI 1396439840 (812) 923-6200

Summit Medical Group, Inc

82 mi

Psychiatry

1360 DOLWICK DRIVE
Erlanger, KY 41018

Reassigned Medicare billing, Kentucky enrollment
946 clinicians in this Medicare group

NPI 1508287640 (859) 344-5555

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 40202 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$82.24 typical visit price

range $52.76 – $162.27

Typical copayment $20.56 (range $13.19 – $40.56)

Most-billed visit code 99203

Established Patient

$66.24 typical visit price

range $16.53 – $131.99

Typical copayment $16.56 (range $4.13 – $32.99)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SERGIO ALEJANDRO SERNA MURRIETA MD

Orthopaedic Surgery (Hand Surgery)