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NORTH ALABAMA INTERNAL MEDICINE,PC
NPI 1356437503
Internal Medicine in Decatur, AL

Active since October 05, 2006CLIA 01D2222682 · Waiver
1201 SOMERVILLE RD SE, DECATUR, AL 35601(256) 350-1773(256) 350-5520 Get Directions Write a Review

NPPES record last updated: December 11, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About North Alabama Internal Medicine,pc NPPES

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

NORTH ALABAMA INTERNAL MEDICINE,PC (NPI 1356437503), doing business as Jeffrey A Johnson, D.o., is a healthcare organization registered as an internal medicine in Decatur, Alabama and active in the NPI registry since October 2006. The organization holds a CLIA Waiver certificate valid through April 29, 2027 and lists Jeffrey Allen Johnson, President, as its authorized official.

NPPES Registry Identity

NPI1356437503
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameNORTH ALABAMA INTERNAL MEDICINE,PC
Location Address1201 SOMERVILLE RD SEDecatur, AL 35601-4340
Mailing Address1201 Somerville Rd SeDecatur, AL 35601-4340 · (256) 350-1773 · Fax (256) 350-5520
Phone(256) 350-1773
Fax(256) 350-5520
Organization SubpartNo
Authorized OfficialJeffrey Allen JohnsonPresident · (256) 350-1773
Enumeration DateOctober 5, 2006
Last NPPES UpdateDecember 11, 2009
✔ NPI 1356437503 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in AL · DO701
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.
1201 SOMERVILLE RD SE, Decatur, AL 35601
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Other Names 1

Former Legal Business NameJeffrey A Johnson, D.o.

Other Identifiers 4

Other051004703AL · Blue Cross Blue Shield
Medicare UPINH52794AL
Medicare PIN051558087AL
Other7446374AL · Aetna

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

North Alabama Internal Medicine,pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by January 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateAlabamaEnrollment IDO20061128000190Non-DME Part B · Clinic/Group PracticeDue dateJanuary 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to North Alabama Internal Medicine,pc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Jeffrey Johnson, D.O.
Internal Medicine
NPI 1992723274
1201 SOMERVILLE RD SE NORTH ALABAMA INTERNAL MEDICINE,PC
Decatur, AL 35601
(256) 350-1773
✔ 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 01D2222682

North Alabama Internal Medicine, PC · Decatur, AL
Active · expires Apr 29, 2027
CLIA Number01D2222682
Laboratory TypePhysician Office
Certificate Effective DateApril 30, 2025
Certificate Expiration DateApril 29, 2027
Laboratory DirectorJohnson A. Jeffrey
Laboratory Phone(256) 350-1773
Laboratory LocationNorth Alabama Internal Medicine, PC1316 Somerville Rd SE, Decatur, AL 35601
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 North Alabama Internal Medicine,pc's NPI number?

The NPI number for North Alabama Internal Medicine,pc is 1356437503. It was assigned to this organization in the NPPES registry on October 5, 2006. The provider was formerly known as Jeffrey A Johnson, D.O..

Where is North Alabama Internal Medicine,pc located?

North Alabama Internal Medicine,pc is located at 1201 Somerville Rd SE, Decatur, AL 35601. The listed phone number is (256) 350-1773.

What is North Alabama Internal Medicine,pc's specialty?

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

Is North Alabama Internal Medicine,pc enrolled in Medicare?

Yes. North Alabama Internal Medicine,pc is registered in the Medicare PECOS enrollment system.

When is North Alabama Internal Medicine,pc's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Alabama, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through North Alabama Internal Medicine,pc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to North Alabama Internal Medicine,pc. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does North Alabama Internal Medicine,pc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 01D2222682) is associated with this NPI, valid through April 29, 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 North Alabama Internal Medicine,pc was last updated on December 11, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.