Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Rockcastle Ventures Inc. Doing Business As Mt. Vernon Clinic

Internal Medicine Physician in Mount Vernon, KY · enumerated 2006 · authorized official Brandy Bullock, Director.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1124181508

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Registry record

Entity type Organization (Type 2)

Legal business name Rockcastle Ventures Inc. Doing Business As Mt. Vernon Clinic

Other name <Unavail>

Practice address 140 Newcomb Ave, Mount Vernon, KY, 40456

Phone (606) 256-4148

Enumeration date Dec 18, 2006

Last updated in NPPES May 21, 2010

Taxonomy & classification

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 12635 (KY) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians Primary

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians Secondary

207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License 03104 (KY) Secondary

207RR0500X Rheumatology Physician Allopathic & Osteopathic Physicians · License 40266 (KY) Secondary

Authorized official

Name Brandy Bullock

Title Director

Phone (606) 256-7761

Other identifiers

Identifier	Type	State	Issuer
1114934056	Other	-	SUSAN ARNOLD, MD NPI NUMB
1265559389	Other	-	HESSLER NPI
1639180680	Other	-	MARA CHAMBERS MD NPI #
65921710	Medicaid	KY	-
1700840444	Other	-	KIMBERLY CORNELIUS NPI #
1861619348	Other	-	FLOREA NPI
1932162005	Other	-	WILLIAM MCELWAIN NPI

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Rockcastle Ventures Inc. Doing Business As Mt. Vernon Clinic?

Rockcastle Ventures Inc. Doing Business As Mt. Vernon Clinic is registered in NPPES as a Internal Medicine Physician (its primary provider taxonomy).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-05-21.