DR. DOUGLAS MILAN MAREADY M.D.
NPI 1689876252
Internal Medicine in Mesa, AZ
About Dr. Douglas Milan Maready M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DOUGLAS MILAN MAREADY M.D. (NPI 1689876252) is an individual internal medicine provider in Mesa, Arizona, licensed in Arizona (54000) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in Phoenix, and is a graduate of Tulane University School Of Medicine (2006).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
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. Douglas Milan Maready M.d. 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 Douglas Maready reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mesa, AZ 85212
- Reassigned Medicare billing, Arizona enrollment
- 9 clinicians in this Medicare group
Roosevelt, UT 84066
- Reassigned Medicare billing, Utah enrollment
- 94 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 29
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 85212 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 10
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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MESA, AZ 85212
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 Douglas Maready's NPI number?
The NPI number for Douglas Maready is 1689876252. It was assigned to this individual provider in the NPPES registry on June 5, 2007.
Where is Douglas Maready located?
Douglas Maready practices at 4135 S Power Rd Ste 113, Mesa, AZ 85212. The listed phone number is (480) 626-2444.
What is Douglas Maready's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Douglas Maready enrolled in Medicare?
Yes. Douglas Maready 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 Douglas Maready's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Douglas Maready reassigns Medicare benefits to 2 organizations: Forte - Phoenix, PLLC (Mesa, AZ) and Uintah Basin Medical Center (Roosevelt, UT). 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 Douglas Maready's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Douglas Maready accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Antidote Health Plan of Arizona, Inc., Blue Cross Blue Shield of Arizona and Oscar Health Plan, Inc. and 1 other insurer list Douglas Maready 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 Douglas Maready was last updated on January 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.