1. Home
  2. Directory
  3. Kentucky
  4. Louisville
  5. Family Medicine
  6. NPI Profile

DR. MARTHA ANN KNIGHTON M.D.
NPI 1871779488
Family Medicine in Louisville, KY

Active since January 14, 2008PECOS Enrolled
100/100
CMS Quality Rating
200 E CHESTNUT ST, STE.303, LOUISVILLE, KY 40202(502) 629-5552(502) 629-3132 Get Directions Write a Review

NPPES record last updated: September 17, 2021. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Sep 17, 2021, Jun 1, 2021 (2 updates tracked since 2021).

About Dr. Martha Ann Knighton M.d. NPPES

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

DR. MARTHA ANN KNIGHTON M.D. (NPI 1871779488) is an individual family medicine provider in Louisville, Kentucky, licensed in Kentucky (41487) and active in the NPI registry since January 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1871779488
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. MARTHA ANN KNIGHTONCredential: M.D.
Location Address200 E CHESTNUT ST, STE.303Louisville, KY 40202-1831
Mailing AddressPo Box 776351Chicago, IL 60677-6351 · (502) 272-5395 · Fax (502) 272-5339
Phone(502) 629-5552
Fax(502) 629-3132
Sole ProprietorNo
Enumeration DateJanuary 14, 2008
Last NPPES UpdateSeptember 17, 20212 updates tracked since enumeration
NPPES CertifiedSeptember 17, 2021
✔ NPI 1871779488 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in KY · 41487✔ Licensed in IN · 01065560A
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
200 E CHESTNUT ST, Louisville, KY 40202
Open in Google Maps ↗

Other Identifiers 2

Medicaid200906100IN
OtherK080360KY · Medicare Ptan- Norton Inp.spec.

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Martha Ann Knighton M.d. 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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
37 services31 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
11 services11 patients

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
$93.94 typical visit price
range $16.53 – $131.99
Typical copayment $23.48 (range $4.13 – $32.99)
Most-billed visit code 99214
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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier61 claims61 services$14.51 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier61 claims61 services$62.77 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
2 suppliers12 claims12 services$18.36 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

CATHERINE JARRETT PA-C
Physician Assistant (Medical)
200 E CHESTNUT ST, SUITE 303
LOUISVILLE, KY 40202
Jefferson County (502) 629-5552
BENJAMIN MARTIN CHOI SAMPEDRO C.R.N.A.
Nurse Anesthetist, Certified Registered
200 E CHESTNUT ST
LOUISVILLE, KY 40202
Jefferson County (214) 687-0001
KEVIN DANIEL MAHONEY APRN
Nurse Practitioner (Acute Care)
200 E CHESTNUT ST
LOUISVILLE, KY 40202
Jefferson County (502) 634-6767
ANN ADAMS FRASER CRNA
Nurse Anesthetist, Certified Registered
200 E CHESTNUT ST
LOUISVILLE, KY 40202
Jefferson County (502) 629-8000
NORTON HEALTHCARE
Pharmacy (Institutional Pharmacy)
200 E CHESTNUT ST
LOUISVILLE, KY 40202
Jefferson County (502) 629-7273
AARON NEAL SKINNER MD
Internal Medicine
200 E CHESTNUT ST, SUITE 303
LOUISVILLE, KY 40202
Jefferson County (502) 629-5552
DR. KEVIN ANTHONY MARQUES
Obstetrics & Gynecology
200 E CHESTNUT ST
LOUISVILLE, KY 40202
Jefferson County (502) 629-8000
SHAUN MADAHAR M.D.
Internal Medicine
200 E CHESTNUT ST, SERVICE BUILDING SUITE 303
LOUISVILLE, KY 40202
Jefferson County (502) 629-5552

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 Martha Knighton's NPI number?

The NPI number for Martha Knighton is 1871779488. It was assigned to this individual provider in the NPPES registry on January 14, 2008.

Where is Martha Knighton located?

Martha Knighton practices at 200 E Chestnut St Ste.303, Louisville, KY 40202. The listed phone number is (502) 629-5552.

What is Martha Knighton's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Martha Knighton enrolled in Medicare?

Yes. Martha Knighton is registered in the Medicare PECOS enrollment system.

What insurance does Martha Knighton accept?

Health plans from CareSource list Martha Knighton 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 Martha Knighton was last updated on September 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.