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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MCC, INC.
NPI 1003935321
Family Medicine - Addiction Medicine in Johnson City, TN

Active since March 28, 2007
501 E WATAUGA AVE, JOHNSON CITY, TN 37601(423) 722-8446(423) 722-5674 Get Directions Write a Review

NPPES record last updated: October 16, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 16, 2026, Aug 22, 2020 (2 updates tracked since 2020).

About Mcc, Inc. NPPES

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

MCC, INC. (NPI 1003935321), doing business as Medical Care Walk-in Clinic, is a healthcare organization registered as an addiction medicine in Johnson City, Tennessee and active in the NPI registry since March 2007. The organization lists Melissa Ann Powell, Facility Director, as its authorized official.

NPPES Registry Identity

NPI1003935321
Entity TypeOrganization
Primary Taxonomy207QA0401X
Legal Business NameMCC, INC.
Location Address501 E WATAUGA AVEJohnson City, TN 37601-4038
Mailing Address501 E Watauga AveJohnson City, TN 37601-4038 · (423) 722-8446 · Fax (423) 722-5674
Phone(423) 722-8446
Fax(423) 722-5674
Organization SubpartNo
Authorized OfficialMelissa Ann PowellFacility Director · (423) 722-8446
Enumeration DateMarch 28, 2007
Last NPPES UpdateOctober 16, 20262 updates tracked since enumeration
NPPES CertifiedOctober 16, 2026
✔ NPI 1003935321 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily Medicine · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QA0401X
Definition
A family medicine physician who specializes in the diagnosis and treatment of addictions.
501 E WATAUGA AVE, Johnson City, TN 37601
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Other Names 1

Doing Business AsMedical Care Walk-in Clinic

Other Providers at the Same Location NPPES 2

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

MRS. MELISSA ANN POWELL FNP
Nurse Practitioner (Family)
501 E WATAUGA AVE
JOHNSON CITY, TN 37601
Washington County (423) 722-8446
MICHAEL N. DUBE MD
Internal Medicine
501 E WATAUGA AVE
JOHNSON CITY, TN 37601
Washington County (423) 722-8446

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 Mcc, Inc.'s NPI number?

The NPI number for Mcc, Inc. is 1003935321. It was assigned to this organization in the NPPES registry on March 28, 2007. The provider is doing business as Medical Care Walk-In Clinic.

Where is Mcc, Inc. located?

Mcc, Inc. is located at 501 E Watauga Ave, Johnson City, TN 37601. The listed phone number is (423) 722-8446.

What is Mcc, Inc.'s specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Addiction Medicine, with taxonomy code 207QA0401X.

When was this NPI record last updated?

The NPPES record for Mcc, Inc. was last updated on October 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days 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.