DR. MARK ALDEN HARRINGTON D.O.
NPI 1740254556
Family Medicine in Patrick Afb, FL
About Dr. Mark Alden Harrington D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK ALDEN HARRINGTON D.O. (NPI 1740254556) is an individual family medicine provider in Patrick Afb, Florida, licensed in Oregon (DO170187) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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 Alden Harrington D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mark Harrington reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Salem, OR 97303
- Reassigned Medicare billing, Oregon enrollment
- 103 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.
Areas of Expertise CMS Part B claims 25
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 32925 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
PATRICK AFB, FL 32925
PATRICK AFB, FL 32925
PATRICK AFB, FL 32925
PATRICK AFB, FL 32925
PATRICK AIR FORCE BASE, FL 32925
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 Harrington's NPI number?
The NPI number for Mark Harrington is 1740254556. It was assigned to this individual provider in the NPPES registry on February 16, 2006.
Where is Mark Harrington located?
Mark Harrington practices at 1381 S Patrick Dr, Patrick Afb, FL 32925. The listed phone number is (321) 494-8241.
What is Mark Harrington's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Mark Harrington enrolled in Medicare?
Yes. Mark Harrington is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mark Harrington's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Harrington reassigns Medicare benefits to Salem Clinic, PC (Salem, OR). The 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 Harrington'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 Harrington was last updated on June 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.