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DR. KATHERINE MARIE HART MD, PHARMD
NPI 1336844778
General Practice in Little Rock, AR

Active since April 04, 2023Opted out of Medicare · through Nov 13, 2027
4301 W MARKHAM ST # 517, LITTLE ROCK, AR 72205(501) 603-1508 Get Directions Write a Review

NPPES record last updated: December 5, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 5, 2024, Apr 4, 2023 (2 updates tracked since 2023).

About Dr. Katherine Marie Hart Md, Pharmd NPPES

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

DR. KATHERINE MARIE HART MD, PHARMD (NPI 1336844778) is an individual general practice provider in Little Rock, Arkansas, licensed in Arkansas (E-18436) and active in the NPI registry since April 2023. She has opted out of Medicare through November 13, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1336844778
Entity TypeIndividualFemale
Primary Taxonomy208D00000X
Provider Legal NameDR. KATHERINE MARIE HARTCredential: MD, PHARMD
Location Address4301 W MARKHAM ST # 517Little Rock, AR 72205-7101
Mailing Address806 S Izard StLittle Rock, AR 72201-4028
Phone(501) 603-1508
Sole ProprietorYes
Enumeration DateApril 4, 2023
Last NPPES UpdateDecember 5, 20242 updates tracked since enumeration
NPPES CertifiedDecember 5, 2024
✔ NPI 1336844778 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in AR · E-18436
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License E-18436 (AR)
4301 W MARKHAM ST # 517, Little Rock, AR 72205
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Katherine Marie Hart Md, Pharmd has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from November 13, 2025 through November 13, 2027.

Opt-Out Effective DateNovember 13, 2025
Opt-Out In Effect ThroughNovember 13, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

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.

DR. NATHAN EDWARD LEE M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
4301 W MARKHAM ST # 517
LITTLE ROCK, AR 72205
Pulaski County (501) 686-5356
RASHMI TRESA PHILPOSE MBBS
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST # 517
LITTLE ROCK, AR 72205
Pulaski County (501) 603-1508
SIERRA ASHLEY SHOHAM DO
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST # 517
LITTLE ROCK, AR 72205
Pulaski County (501) 603-1508
JULIE M YOUNGS MD
Pathology (Dermatopathology)
4301 W MARKHAM ST # 517
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
DR. SUMIT KAMLESHKUMAR SHAH MD, MPH
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST # 517
LITTLE ROCK, AR 72205
Pulaski County (501) 603-1508
ROMAN BRUDNIK MD
Pathology (Anatomic Pathology & Clinical Pathology)
4301 W MARKHAM ST # 517
LITTLE ROCK, AR 72205
Pulaski County (501) 526-7767
MEGAN RUETTGERS DO
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST # 517
LITTLE ROCK, AR 72205
Pulaski County (501) 603-1508
LINDSAY CHAI-CHANG MD
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST # 517
LITTLE ROCK, AR 72205
Pulaski County (501) 603-1508

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 Katherine Hart's NPI number?

The NPI number for Katherine Hart is 1336844778. It was assigned to this individual provider in the NPPES registry on April 4, 2023.

Where is Katherine Hart located?

Katherine Hart practices at 4301 W Markham St # 517, Little Rock, AR 72205. The listed phone number is (501) 603-1508.

What is Katherine Hart's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Katherine Hart enrolled in Medicare?

No. Katherine Hart has opted out of Medicare through November 13, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Katherine Hart was last updated on December 5, 2024. 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.