INTERNAL MEDICINE CLINIC, PLLC
NPI 1932248853
Internal Medicine in Meridian, MS

Active since February 06, 2007CLIA 25D0671468 · Accreditation
1600 22ND AVE, MEDICAL TOWERS III, MERIDIAN, MS 39301(601) 483-5322(601) 693-8081 Get Directions Write a Review

NPPES record last updated: December 14, 2011. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Internal Medicine Clinic, Pllc NPPES

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

INTERNAL MEDICINE CLINIC, PLLC (NPI 1932248853) is a healthcare organization registered as an internal medicine in Meridian, Mississippi and active in the NPI registry since February 2007. The organization holds an CLIA Accreditation certificate valid through June 17, 2028 and lists James A Allen, Administrator, as its authorized official.

NPPES Registry Identity

NPI1932248853
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameJOEL T CALLAHAN THOMAS H GREER JR & A GARY BOONE PTR
Location Address1600 22ND AVE, MEDICAL TOWERS IIIMeridian, MS 39301-3223
Mailing Address1600 22nd Ave, Medical Towers IiiMeridian, MS 39301-3223 · (601) 483-5322 · Fax (601) 693-8081
Fax(601) 693-8081
Organization SubpartNo
Authorized OfficialJames A AllenAdministrator · (601) 581-2295
Enumeration DateFebruary 6, 2007
Last NPPES UpdateDecember 14, 2011
NPI 1932248853 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.
1600 22ND AVE, Meridian, MS 39301

Other Names 1

Doing Business AsInternal Medicine Clinic, Pllc

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

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 Accreditation 25D0671468

Internal Medicine Clinic-Division Of Armc · Meridian, MS
Active · expires Jun 17, 2028
CLIA Number25D0671468
Laboratory TypePhysician Office
Certificate Effective DateJune 18, 2026
Certificate Expiration DateJune 17, 2028
Laboratory DirectorDr. Robert E. Clark
Laboratory Phone(601) 483-3135
Laboratory LocationInternal Medicine Clinic-Division Of Armc1600 22nd Ave, Meridian, MS 39301
CLIA data matches this NPI record on: Address Name
This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

Other Providers at the Same Location NPPES 20

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

Internal Medicine (Pulmonary Disease)
1600 22ND AVE, MEDICAL TOWERS III
MERIDIAN, MS 39301
Internal Medicine
1600 22ND AVE
MERIDIAN, MS 39301
Family Medicine
1600 22ND AVE, MEDICAL TOWERS III
MERIDIAN, MS 39301
Internal Medicine
1600 22ND AVE
MERIDIAN, MS 39301
Internal Medicine (Cardiovascular Disease)
1600 22ND AVE, MEDICAL TOWERS III
MERIDIAN, MS 39301
Nurse Practitioner (Family)
1600 22ND AVE
MERIDIAN, MS 39301
Internal Medicine (Cardiovascular Disease)
1600 22ND AVE, MEDICAL TOWERS III
MERIDIAN, MS 39301
Internal Medicine (Nephrology)
1600 22ND AVE, MEDICAL TOWERS III
MERIDIAN, MS 39301

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 Joel T Callahan Thomas H Greer Jr & A Gary Boone Ptr's NPI number?

The NPI number for Joel T Callahan Thomas H Greer Jr & A Gary Boone Ptr is 1932248853. It was assigned to this organization in the NPPES registry on February 6, 2007. The provider is doing business as Internal Medicine Clinic, PLLC.

Where is Joel T Callahan Thomas H Greer Jr & A Gary Boone Ptr located?

Joel T Callahan Thomas H Greer Jr & A Gary Boone Ptr is located at 1600 22nd Ave Medical Towers III, Meridian, MS 39301. The listed phone number is (601) 483-5322.

What is Joel T Callahan Thomas H Greer Jr & A Gary Boone Ptr's specialty?

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

Does Joel T Callahan Thomas H Greer Jr & A Gary Boone Ptr hold a CLIA laboratory certificate?

Yes. A Certificate of Accreditation (number 25D0671468) is associated with this NPI, valid through June 17, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Joel T Callahan Thomas H Greer Jr & A Gary Boone Ptr accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Magnolia Health, Ambetter of Alabama and Ambetter of Tennessee and 1 other insurer list Joel T Callahan Thomas H Greer Jr & A Gary Boone Ptr 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 Joel T Callahan Thomas H Greer Jr & A Gary Boone Ptr was last updated on December 14, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.