DR. STEPHEN KASTOR OVERSTREET (MD) – Gastroenterology Physician, NPI 1811995624

DR. STEPHEN KASTOR OVERSTREET (MD) is a healthcare provider. based in Louisville, Kentucky. specializing in GASTROENTEROLOGY, INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. 27421 (KY). The NPI Number for DR. STEPHEN KASTOR OVERSTREET (MD) is 1811995624

Main info

Male
Sole Proprietor
37 Years Of Experience
Accepts Medicare Assignment
Name
DR. STEPHEN KASTOR OVERSTREET (MD)
NPI
1811995624
Phone
(502) 895-0882
Address
4001 KRESGE WAY
Enumeration Date
14 July 2005
Last Update Date
7 December 2020

Doctor Profile

Medical School Name
UNIVERSITY OF LOUISVILLE SCHOOL OF MEDICINE
Secondary Phone
-
Graduation Year
1989 (37 years ago)
PAC ID
1557405719
Group Practice PAC ID
5597867184
Professional Enrollment ID
I20100225000719
Address ID
KY402074681LO3900XWAYX300

Contacts

Secure Messaging
soverstreet8203@bhkydirect.com
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

259 GASTROENTEROLOGY in KY

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Provider Addresses for DR. STEPHEN KASTOR OVERSTREET (MD)

  • Baptist Health Louisville, 4000, Kresge Way, Springlee, Louisville, Jefferson County, Kentucky, 40207, United States

    STE 134

    LOUISVILLE, KY 402074640

    Phone: (502) 895-0882

    Fax: (502) 895-1354

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 261 Open Payments records for all available years, with a total value of $3,675.

Total Amount is formed as General ($3,675) + Research ($0) + Ownership ($0) = $3,675.

Last reported payment date: 2024-12-31 • Largest payer in this snapshot: ABBVIE INC. ($976).

Total Amount

$3,675

General + Research + Ownership

Payments

261

Total payment records

General Amount

$3,675

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-31

Latest reported date

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2010-02-25

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20100225000719IGastroenterologyKYTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99213Established patient office or other outpatient visit, 20-29 minutes189130$0
45380Biopsy of large bowel using a flexible endoscope162161$0
43239Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope108104$0
45385Removal of polyps or growths of large bowel using an endoscope with mechanical snare6161$0
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes5121$0
View full utilization report →

Insurance plans in this area (ZIP 40207)

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Provider's Procedures

DR. STEPHEN KASTOR OVERSTREET (MD) performs procedures in GASTROENTEROLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
GASTROENTEROLOGYKY45385Removal of polyps or growths of large bowel using an endoscope5858

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 5597867184View full group profile
NameSpecialtyState
Nurse PractitionerKY
-KY
-KY
General PracticeKY
P S Y C H I A T R YKY
Thoracic Surgery, Cardiac SurgeryKY
N E U R O S U R G E R YKY
Physician AssistantKY
Emergency Medicine, General PracticeKY
Hematology/Oncology, Internal MedicineKY

Reviews

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Frequently asked questions

Can I verify DR. STEPHEN KASTOR OVERSTREET (MD) with an NPI only?
You can start verification with NPI 1811995624 for DR. STEPHEN KASTOR OVERSTREET (MD), then check state licensing separately.
Is DR. STEPHEN KASTOR OVERSTREET (MD) listed as active for patients and plans?
The listing shows DR. STEPHEN KASTOR OVERSTREET (MD) as active in the NPI system.
What is DR. STEPHEN KASTOR OVERSTREET (MD)'s specialty?
The listing groups DR. STEPHEN KASTOR OVERSTREET (MD) with Gastroenterology Physician. Clinical services aligned with this taxonomy classification.
What address line appears for DR. STEPHEN KASTOR OVERSTREET (MD)?
DR. STEPHEN KASTOR OVERSTREET (MD)'s geographic hint is Louisville, Kentucky in our summary view.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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