1. Home
  2. Directory
  3. West Virginia
  4. Charleston
  5. Internal Medicine
  6. NPI Profile

MOUNTAIN STATE MEDICAL ASSOCIATES PLLC
NPI 1447349238
Internal Medicine in Charleston, WV

Active since October 12, 2006CLIA 51D0961757 · Waiver
300 KENTON DR, SUITE 100, CHARLESTON, WV 25311(304) 346-5533(304) 346-5611 Get Directions Write a Review

NPPES record last updated: November 5, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mountain State Medical Associates Pllc NPPES

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

MOUNTAIN STATE MEDICAL ASSOCIATES PLLC (NPI 1447349238) is a healthcare organization registered as an internal medicine in Charleston, West Virginia and active in the NPI registry since October 2006. The organization holds a CLIA Waiver certificate valid through June 15, 2027 and lists Justin Dale Bailey, President, as its authorized official.

NPPES Registry Identity

NPI1447349238
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMOUNTAIN STATE MEDICAL ASSOCIATES PLLC
Location Address300 KENTON DR, SUITE 100Charleston, WV 25311-1263
Mailing Address300 Kenton Dr, Suite 100Charleston, WV 25311-1263 · (304) 346-5533 · Fax (304) 346-5611
Phone(304) 346-5533
Fax(304) 346-5611
Organization SubpartNo
Authorized OfficialJustin Dale BaileyPresident · (304) 346-5533
Enumeration DateOctober 12, 2006
Last NPPES UpdateNovember 5, 2015
✔ NPI 1447349238 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in WV · 20410
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.
300 KENTON DR, Charleston, WV 25311
Open in Google Maps ↗

Other Identifiers 8

Other1447349238WV · Npi Number For The Group
OtherP00189318WV · Umwa Pin Number For The Group
Medicare PINM09348961WV
OtherDC7713WV · Umwa Number For The Group
OtherP00215125WV · Railroad Number For The Group
Other001706175WV · Blue Cross Number For The Group
Medicaid3810001081WV
Medicare UPINY21949

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, Highmark Blue Cross Blue Shield West Virginia.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mountain State Medical Associates Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

6

Medicare enrollment records show 6 clinicians reassign Medicare billing to Mountain State Medical Associates PLLC, which bills Medicare for the services they deliver. Of these, 6 practice at this address. They are listed nearest first.

Clinicians, nearest first (6)

Alicia Harper, RN, MSN, FNP-C
Nurse Practitioner
NPI 1225385461
300 KENTON DR SUITE 100
Charleston, WV 25311
(304) 346-5533
✔ PECOS✔ Accepts MedicareSame address
Teresa Sitler, MD
Internal Medicine
NPI 1164485983
300 KENTON DR SUITE 100
Charleston, WV 25311
(304) 346-5533
✔ PECOS✔ Accepts MedicareSame address
Justin Bailey, MD
Internal Medicine
NPI 1992784243
300 KENTON DR SUITE 100
Charleston, WV 25311
(304) 346-5533
✔ PECOS✔ Accepts MedicareSame address
Kelli Dumm, MD
Internal Medicine
NPI 1760461164
300 KENTON DR SUITE 100
Charleston, WV 25311
(304) 346-5533
✔ PECOS✔ Accepts MedicareSame address
Elizabeth Young, MD
Internal Medicine
NPI 1316165103
300 KENTON DR SUITE 100
Charleston, WV 25311
(304) 346-5533
✔ PECOS✔ Accepts MedicareSame address
Rebekah Hoh, APRN
Nurse Practitioner
NPI 1174299879
300 KENTON DRIVE SUITE 100
Charleston, WV 25311
(304) 346-5533
✔ PECOS✔ Accepts MedicareSame address

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 51D0961757

Mountain State Medical Associates · Charleston, WV
Active · expires Jun 15, 2027
CLIA Number51D0961757
Laboratory TypePhysician Office
Certificate Effective DateJune 16, 2025
Certificate Expiration DateJune 15, 2027
Laboratory DirectorJustin D. Bailey MD
Laboratory Phone(304) 346-5533
Laboratory LocationMountain State Medical AssociatesNorth Gate Business Park 300 Kenton Drive Suite 100, Charleston, WV 25311
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Mountain State Medical Associates PLLC's NPI number?

The NPI number for Mountain State Medical Associates PLLC is 1447349238. It was assigned to this organization in the NPPES registry on October 12, 2006.

Where is Mountain State Medical Associates PLLC located?

Mountain State Medical Associates PLLC is located at 300 Kenton Dr Suite 100, Charleston, WV 25311. The listed phone number is (304) 346-5533.

What is Mountain State Medical Associates PLLC's specialty?

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

Is Mountain State Medical Associates PLLC enrolled in Medicare?

Yes. Mountain State Medical Associates PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mountain State Medical Associates PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 2 Medicare specialties reassign their Medicare billing to Mountain State Medical Associates PLLC. A 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 the clinician's services. The largest specialties are Internal Medicine (4) and Nurse Practitioner (2). Of these, 6 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Mountain State Medical Associates PLLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 51D0961757) is associated with this NPI, valid through June 15, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Mountain State Medical Associates PLLC accept?

Health plans from CareSource and Highmark Blue Cross Blue Shield West Virginia list Mountain State Medical Associates PLLC 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 Mountain State Medical Associates PLLC was last updated on November 5, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.