MARY E CASEY
NPI 1336646769
Internal Medicine in Louisville, KY

Active since April 11, 2018PECOS EnrolledAccepts Medicare Assignment
3920 DUTCHMANS LN STE 315, LOUISVILLE, KY 40207(502) 896-4246 Get Directions Write a Review

NPPES record last updated: March 4, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Mar 4, 2025, May 20, 2020, Apr 11, 2018 (3 updates tracked since 2018).

About Mary E Casey NPPES

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

MARY E CASEY (NPI 1336646769) is an individual internal medicine provider in Louisville, Kentucky, licensed in Kentucky (IP1693) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, is affiliated with Jewish Hospital & St Mary's Healthcare, and is a graduate of University Of Louisville School Of Medicine (2020).

NPPES Registry Identity

NPI1336646769
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARY E CASEY
Location Address3920 DUTCHMANS LN STE 315Louisville, KY 40207-4702
Mailing AddressPo Box 909Louisville, KY 40201-0909 · (502) 588-0330
Sole ProprietorNo
Medical School CMSUniversity Of Louisville School Of MedicineGraduated 2020
Enumeration DateApril 11, 2018
Last NPPES UpdateMarch 4, 20253 updates tracked since enumeration
NPPES CertifiedMarch 4, 2025
✔ NPI 1336646769 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in KY · IP1693
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
3920 DUTCHMANS LN STE 315, Louisville, KY 40207

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mary E Casey is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8729479001
PECOS Enrollment IDI20250611002553
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 Casey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sleep Medicine
3920 DUTCHMANS LN
Louisville, KY 40207
  • Reassigned Medicare billing, Kentucky enrollment
  • Medicare enrollment name: University Of Louisville Physicians Inc
  • 2,337 clinicians in this Medicare group

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

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Jewish Hospital & St Mary's Healthcare

Acute Care Hospitals · Louisville, KY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number180040
Location200 Abraham Flexner WayLouisville, KY 40202 · Jefferson County
Emergency services

Norton Hospitals, Inc

Acute Care Hospitals · Louisville, KY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number180088
Location200 East Chestnut StreetLouisville, KY 40202 · Jefferson County
Emergency services Birthing friendly

Baptist Health Lagrange

Acute Care Hospitals · La Grange, KY
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number180138
Location1025 New Moody LaneLa Grange, KY 40031 · Oldham County
Emergency services Birthing friendly

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
$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 5

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

Internal Medicine
3920 DUTCHMANS LN STE 315
LOUISVILLE, KY 40207
Nurse Practitioner (Family)
3920 DUTCHMANS LN STE 315
LOUISVILLE, KY 40207
Nurse Practitioner (Family)
3920 DUTCHMANS LN STE 315
LOUISVILLE, KY 40207
Nurse Practitioner (Family)
3920 DUTCHMANS LN STE 315
LOUISVILLE, KY 40207
Colon & Rectal Surgery
3920 DUTCHMANS LN STE 315
LOUISVILLE, KY 40207

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 Casey's NPI number?

The NPI number for Mary Casey is 1336646769. It was assigned to this individual provider in the NPPES registry on April 11, 2018.

Where is Mary Casey located?

Mary Casey practices at 3920 Dutchmans Ln Ste 315, Louisville, KY 40207. The listed phone number is (502) 896-4246.

What is Mary Casey's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mary Casey enrolled in Medicare?

Yes. Mary Casey is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Mary Casey's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Casey reassigns Medicare benefits to University Of Louisville Phyisicians, Inc. (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 Casey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Casey accept?

Health plans from Anthem Blue Cross and Blue Shield list Mary Casey 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.

Is Mary Casey affiliated with any hospitals?

According to CMS data, Mary Casey is affiliated with Jewish Hospital & St Mary's Healthcare, Norton Hospitals, Inc and Baptist Health Lagrange.

When was this NPI record last updated?

The NPPES record for Mary Casey was last updated on March 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.