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JOHN MITCHELL FARMER MD
NPI 1285703454
Obstetrics & Gynecology in Louisville, KY

Active since November 06, 2006PECOS Enrolled
512 EXECUTIVE PARK, LOUISVILLE, KY 40207(502) 894-0266(502) 894-0737 Get Directions Write a Review

NPPES record last updated: September 9, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 9, 2021, Jul 14, 2021 (2 updates tracked since 2021).

About John Mitchell Farmer Md NPPES

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

JOHN MITCHELL FARMER MD (NPI 1285703454) is an individual obstetrics & gynecology provider in Louisville, Kentucky, licensed in Kentucky (19060) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1285703454
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameJOHN MITCHELL FARMERCredential: MD
Location Address512 EXECUTIVE PARKLouisville, KY 40207-4205
Mailing Address512 Executive ParkLouisville, KY 40207-4205 · (502) 894-0266 · Fax (502) 894-0737
Phone(502) 894-0266
Fax(502) 894-0737
Sole ProprietorNo
Enumeration DateNovember 6, 2006
Last NPPES UpdateSeptember 9, 20212 updates tracked since enumeration
NPPES CertifiedSeptember 9, 2021
✔ NPI 1285703454 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in KY · 19060
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedPreventive Medicine · Addiction MedicineTaxonomy 2083A0300X · License XF7678521 (KY)
512 EXECUTIVE PARK, Louisville, KY 40207
Open in Google Maps ↗

Other Identifiers 1

Medicaid64190606KY

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.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 Mitchell Farmer Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

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

Baptist Health Medical Group Inc
37 mi
Internal Medicine
2413 RING RD STE 100
Elizabethtown, KY 42701
  • Reassigned Medicare billing, Kentucky enrollment
  • 967 clinicians in this Medicare group
NPI 1093338527 (270) 737-0077
Solid Ground Counseling And Recovery Centers LLC
154 mi
Family
14 LOGAN DR
Jeff, KY 41751
  • Reassigned Medicare billing, Kentucky enrollment
  • 3 clinicians in this Medicare group
NPI 1427584960 (606) 487-0351

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 40207 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
$122.77 typical visit price
range $52.76 – $162.27
Typical copayment $30.69 (range $13.19 – $40.56)
Most-billed visit code 99204
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Breast Cancer Screening
83%327 patients4/55-star benchmark: 93%
Cervical Cancer Screening
93%364 patients4/55-star benchmark: 98%
Documentation of Current Medications in the Medical Record
98%810 patients4/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
26%487 patients2/55-star benchmark: 98%
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
15%793 patients2/55-star benchmark: 61%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients screened: 0% · 435 patients
0%435 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 3

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

JOHN M. FARMER,MD,PSC
Obstetrics & Gynecology
512 EXECUTIVE PARK
LOUISVILLE, KY 40207
Jefferson County (502) 894-0266
EAST COAST REHABILITATION CENTERS
Substance Abuse Rehabilitation Facility
512 EXECUTIVE PARK
ST MATTHEWS, KY 40207
Jefferson County (502) 415-9289
DR. LINDA MCCLAIN MD
Obstetrics & Gynecology
512 EXECUTIVE PARK
LOUISVILLE, KY 40207
Jefferson County (843) 900-5846

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Farmer's NPI number?

The NPI number for John Farmer is 1285703454. It was assigned to this individual provider in the NPPES registry on November 6, 2006.

Where is John Farmer located?

John Farmer practices at 512 Executive Park, Louisville, KY 40207. The listed phone number is (502) 894-0266.

What is John Farmer's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is John Farmer enrolled in Medicare?

Yes. John Farmer is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for John Farmer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Farmer reassigns Medicare benefits to 2 organizations: Baptist Health Medical Group Inc (Elizabethtown, KY) and Solid Ground Counseling And Recovery Centers LLC (Jeff, KY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Farmer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does John Farmer accept?

Health plans from CareSource list John Farmer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for John Farmer was last updated on September 9, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.