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493 INTERNAL MEDICINE PLLC
NPI 1356994461
Internal Medicine in Crossville, TN

Active since July 17, 2019CLIA 44D2170210 · Microscopy
493 LANTANA RD, CROSSVILLE, TN 38555(931) 335-9919(931) 335-9954 Get Directions Write a Review

NPPES record last updated: May 4, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 4, 2026, Aug 5, 2019, Jul 29, 2019 and 1 more (4 updates tracked since 2019).

About 493 Internal Medicine Pllc NPPES

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

493 INTERNAL MEDICINE PLLC (NPI 1356994461) is a healthcare organization registered as an internal medicine in Crossville, Tennessee and active in the NPI registry since July 2019. The organization holds a CLIA Microscopy certificate valid through August 5, 2027, maintains a secondary practice location in Crossville, and lists Stephen D Clark, Owner, as its authorized official.

NPPES Registry Identity

NPI1356994461
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business Name493 INTERNAL MEDICINE PLLC
Location Address493 LANTANA RDCrossville, TN 38555-4946
Mailing Address493 Lantana RdCrossville, TN 38555-4946
Phone(931) 335-9919
Fax(931) 335-9954
Organization SubpartNo
Authorized OfficialStephen D ClarkOwner · (931) 335-9919
Enumeration DateJuly 17, 2019
Last NPPES UpdateMay 4, 20264 updates tracked since enumeration
NPPES CertifiedMay 4, 2026
✔ NPI 1356994461 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
493 LANTANA RD, Crossville, TN 38555
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Secondary Practice Location 1

Location 145 Old West Adams StCrossville, TN 38555-1941 · Phone (931) 335-9919 · Fax (931) 335-9954

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 SINGLE SPECIALTY GROUP

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 for Provider-Performed Microscopy Procedures (PPMP) 44D2170210

493 Internal Medicine PLLC · Crossville, TN
Active · expires Aug 5, 2027
CLIA Number44D2170210
Laboratory TypePhysician Office
Certificate Effective DateAugust 6, 2025
Certificate Expiration DateAugust 5, 2027
Laboratory DirectorDr. Stephen D. Clark
Laboratory Phone(931) 335-9919
Laboratory Location493 Internal Medicine PLLC45 Old West Adams St, Crossville, TN 38555
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Other Providers at the Same Location NPPES 4

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

STEPHEN DENNIS CLARK M.D.
Internal Medicine
493 LANTANA RD
CROSSVILLE, TN 38555
Cumberland County (931) 335-9919
SUSAN N PICK
Specialist
493 LANTANA RD
CROSSVILLE, TN 38555
Cumberland County (931) 707-8383
MRS. SUSAN N PICK MD
Orthopaedic Surgery
493 LANTANA RD
CROSSVILLE, TN 38555
Cumberland County (931) 707-8383
MRS. APRIL L THORNTON APN
Nurse Practitioner (Family)
493 LANTANA RD
CROSSVILLE, TN 38555
Cumberland County (931) 335-9919

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 493 Internal Medicine PLLC's NPI number?

The NPI number for 493 Internal Medicine PLLC is 1356994461. It was assigned to this organization in the NPPES registry on July 17, 2019.

Where is 493 Internal Medicine PLLC located?

493 Internal Medicine PLLC is located at 493 Lantana Rd, Crossville, TN 38555. The listed phone number is (931) 335-9919.

What is 493 Internal Medicine PLLC's specialty?

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

Does 493 Internal Medicine PLLC hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 44D2170210) is associated with this NPI, valid through August 5, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for 493 Internal Medicine PLLC was last updated on May 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.