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MRS. MARY ELIZABETH KNIGHTS M.D.
NPI 1689672776
Pediatrics in Louisville, KY

Active since July 12, 2005PECOS Enrolled
3840 RUCKRIEGEL PKWY, STE. 105, LOUISVILLE, KY 40299(502) 261-7227(844) 965-9615 Get Directions Write a Review

NPPES record last updated: January 26, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 26, 2021, Jun 21, 2016, Dec 15, 2015 (3 updates tracked since 2015).

About Mrs. Mary Elizabeth Knights M.d. NPPES

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

MRS. MARY ELIZABETH KNIGHTS M.D. (NPI 1689672776) is an individual pediatrics provider in Louisville, Kentucky, licensed in Kentucky (36382) and active in the NPI registry since July 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1689672776
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameMRS. MARY ELIZABETH KNIGHTSCredential: M.D.
Location Address3840 RUCKRIEGEL PKWY, STE. 105Louisville, KY 40299-6835
Mailing Address3840 Ruckriegel Pkwy, Ste. 105Louisville, KY 40299-6835 · (502) 261-7227 · Fax (844) 965-9615
Phone(502) 261-7227
Fax(844) 965-9615
Sole ProprietorNo
Enumeration DateJuly 12, 2005
Last NPPES UpdateJanuary 26, 20213 updates tracked since enumeration
NPPES CertifiedJanuary 26, 2021
✔ NPI 1689672776 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in KY · 36382
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
3840 RUCKRIEGEL PKWY, Louisville, KY 40299
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Mary Elizabeth Knights 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.

Medicare Billing Reassignment

Medicare enrollment records show Mary Knights reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Norton Children's Medical Group, LLC
8.5 mi
Clinical Genetics (M.D.)
4803 OLYMPIA PARK PLZ STE 1100
Louisville, KY 40241
  • Reassigned Medicare billing, Kentucky enrollment
  • Medicare enrollment name: Norton Childrens Medical Group LLC
  • 1,008 clinicians in this Medicare group
NPI 1013559921 (502) 272-5336

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 40299 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.

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.

DEBORAH I WALLACE M.D.
Pediatrics
3840 RUCKRIEGEL PKWY, SUITE 105
LOUISVILLE, KY 40299
Jefferson County (502) 261-7227
PEDIATRIC PARTNERS OF JEFFERSONTOWN
Pediatrics
3840 RUCKRIEGEL PKWY, STE105
LOUISVILLE, KY 40299
Jefferson County (502) 261-7227
MR. JOSEPH CHARLES PAPPALARDO M.D.
Pediatrics
3840 RUCKRIEGEL PKWY, STE. 105
LOUISVILLE, KY 40299
Jefferson County (502) 261-7227

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 Mary Knights's NPI number?

The NPI number for Mary Knights is 1689672776. It was assigned to this individual provider in the NPPES registry on July 12, 2005.

Where is Mary Knights located?

Mary Knights practices at 3840 Ruckriegel Pkwy Ste. 105, Louisville, KY 40299. The listed phone number is (502) 261-7227.

What is Mary Knights's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Mary Knights enrolled in Medicare?

Yes. Mary Knights is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mary Knights's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Knights reassigns Medicare benefits to Norton Children's Medical Group, LLC (Louisville, KY). The 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 Mary Knights's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Knights accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter of Tennessee and CareSource list Mary Knights 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 Mary Knights was last updated on January 26, 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.