DR. MARK K ADDISON M.D.
NPI 1164404042
Specialist in Cullman, AL

Active since November 16, 2005PECOS Enrolled
1800 AL HIGHWAY 157 STE 101, CULLMAN, AL 35058(256) 739-4131(256) 739-6027 Get Directions Write a Review

NPPES record last updated: December 22, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 22, 2020, Aug 1, 2019, Jul 15, 2019 and 1 more (4 updates tracked since 2019).

About Dr. Mark K Addison M.d. NPPES

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

DR. MARK K ADDISON M.D. (NPI 1164404042) is an individual specialist in Cullman, Alabama, licensed in Alabama (13608) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and maintains a secondary practice location in Cullman.

NPPES Registry Identity

NPI1164404042
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. MARK K ADDISONCredential: M.D.
Location Address1800 AL HIGHWAY 157 STE 101Cullman, AL 35058-1273
Mailing Address503 Clark St NeCullman, AL 35055-1921 · (256) 739-0801 · Fax (256) 739-0027
Fax(256) 739-6027
Sole ProprietorNo
Enumeration DateNovember 16, 2005
Last NPPES UpdateDecember 22, 20204 updates tracked since enumeration
NPPES CertifiedDecember 22, 2020
✔ NPI 1164404042 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in AL · 13608
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
1800 AL HIGHWAY 157 STE 101, Cullman, AL 35058

Secondary Practice Location 1

Location 11948 Al Highway 157, Suite 330Cullman, AL 35058-0643 · Phone (256) 739-3838 · Fax (256) 739-8350

Other Identifiers 1

Medicaid000087230AL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mark K Addison M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Mark Addison reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Acute Care Hospital
1912 AL HIGHWAY 157
Cullman, AL 35058
  • Reassigned Medicare billing, Alabama enrollment
  • 31 clinicians in this Medicare group
Specialist
1948 AL HIGHWAY 157, SUITE 330
Cullman, AL 35058
  • Reassigned Medicare billing, Alabama enrollment
  • 2 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Family Medicine
1800 AL HIGHWAY 157 STE 101
CULLMAN, AL 35058
Pediatrics
1800 AL HIGHWAY 157 STE 101
CULLMAN, AL 35058
Family Medicine
1800 AL HIGHWAY 157 STE 101
CULLMAN, AL 35058
Nurse Practitioner (Family)
1800 AL HIGHWAY 157 STE 101
CULLMAN, AL 35058

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 Mark Addison's NPI number?

The NPI number for Mark Addison is 1164404042. It was assigned to this individual provider in the NPPES registry on November 16, 2005.

Where is Mark Addison located?

Mark Addison practices at 1800 Al Highway 157 Ste 101, Cullman, AL 35058. The listed phone number is (256) 739-4131.

What is Mark Addison's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Mark Addison enrolled in Medicare?

Yes. Mark Addison is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mark Addison's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Addison reassigns Medicare benefits to 2 organizations: Cullman Regional Medical Center, Inc (Cullman, AL) and Cullman Medical And Pediatric Associates (Cullman, AL). Each 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 Mark Addison's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mark Addison was last updated on December 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.