1. Home
  2. Directory
  3. Oklahoma
  4. Guymon
  5. Internal Medicine
  6. NPI Profile

INTERNAL MEDICINE CLINIC PLLC
NPI 1164541900
Internal Medicine in Guymon, OK

Active since March 29, 2007CLIA 37D0958766 · Waiver
410 NE 12TH STREET, GUYMON, OK 73942(580) 338-5500(580) 468-4942 Get Directions Write a Review

NPPES record last updated: December 4, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 4, 2025, Aug 22, 2020 (2 updates tracked since 2020).

About Internal Medicine Clinic Pllc NPPES

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

INTERNAL MEDICINE CLINIC PLLC (NPI 1164541900) is a healthcare organization registered as an internal medicine in Guymon, Oklahoma and active in the NPI registry since March 2007. The organization holds a CLIA Waiver certificate valid through August 9, 2027 and lists Jeffrey J Lim, Member, as its authorized official.

NPPES Registry Identity

NPI1164541900
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameINTERNAL MEDICINE CLINIC PLLC
Location Address410 NE 12TH STREETGuymon, OK 73942
Mailing AddressPo Box 158, 410 Ne 12th StreetGuymon, OK 73942-0158 · (580) 338-5500 · Fax (580) 468-4942
Phone(580) 338-5500
Fax(580) 468-4942
Organization SubpartNo
Authorized OfficialJeffrey J LimMember · (580) 338-5500
Enumeration DateMarch 29, 2007
Last NPPES UpdateDecember 4, 20252 updates tracked since enumeration
NPPES CertifiedDecember 4, 2025
✔ NPI 1164541900 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in OK · 18750
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.
410 NE 12TH STREET, Guymon, OK 73942
Open in Google Maps ↗

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 of Waiver 37D0958766

Internal Medicine Clinic, PLLC · Guymon, OK
Active · expires Aug 9, 2027
CLIA Number37D0958766
Laboratory TypePhysician Office
Certificate Effective DateAugust 10, 2025
Certificate Expiration DateAugust 9, 2027
Laboratory DirectorJeffrey J. Lim
Laboratory Phone(580) 338-5500
Laboratory LocationInternal Medicine Clinic, PLLC410 NE 12th Street, Guymon, OK 73942
CLIA data matches this NPI record on: Address 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 Internal Medicine Clinic PLLC's NPI number?

The NPI number for Internal Medicine Clinic PLLC is 1164541900. It was assigned to this organization in the NPPES registry on March 29, 2007.

Where is Internal Medicine Clinic PLLC located?

Internal Medicine Clinic PLLC is located at 410 NE 12th Street, Guymon, OK 73942. The listed phone number is (580) 338-5500.

What is Internal Medicine Clinic PLLC's specialty?

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

Does Internal Medicine Clinic PLLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 37D0958766) is associated with this NPI, valid through August 9, 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 Internal Medicine Clinic PLLC was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.