DR. HARRISON MARK MCDONALD D.O.
NPI 1447251798
Internal Medicine in Lake Havasu City, AZ
About Dr. Harrison Mark Mcdonald D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HARRISON MARK MCDONALD D.O. (NPI 1447251798) is an individual internal medicine provider in Lake Havasu City, Arizona, licensed in Arizona (2793) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Lake Havasu City, and is a graduate of Other (1991).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Harrison Mark Mcdonald D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Harrison Mcdonald reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lake Havasu City, AZ 86403
- Reassigned Medicare billing, Arizona enrollment
- 2 clinicians in this Medicare group
Prescott, AZ 86301
- Reassigned Medicare billing, Arizona enrollment
- 214 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 32
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 86403 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 21
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Harrison Mcdonald's NPI number?
The NPI number for Harrison Mcdonald is 1447251798. It was assigned to this individual provider in the NPPES registry on August 9, 2005.
Where is Harrison Mcdonald located?
Harrison Mcdonald practices at 1923 Mcculloch Blvd N Suite 101, Lake Havasu City, AZ 86403. The listed phone number is (928) 208-4611.
What is Harrison Mcdonald's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Harrison Mcdonald enrolled in Medicare?
Yes. Harrison Mcdonald is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Harrison Mcdonald's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Harrison Mcdonald reassigns Medicare benefits to 2 organizations: Harrison Mark Mcdonald Do PLLC (Lake Havasu City, AZ) and Prescott Healthcare Solutions LLC (Prescott, AZ). 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 Harrison Mcdonald's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Harrison Mcdonald accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc and Oscar Health Plan, Inc. and 1 other insurer list Harrison Mcdonald 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 Harrison Mcdonald was last updated on March 9, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.