AARON COLE DOWNEY DO
NPI 1174105522
Internal Medicine in Tulsa, OK
About Aaron Cole Downey Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AARON COLE DOWNEY DO (NPI 1174105522) is an individual internal medicine provider in Tulsa, Oklahoma, licensed in Oklahoma (9354) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with Ascension St John Medical Center, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
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
Aaron Cole Downey Do 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 Reassignment
Medicare enrollment records show Aaron Downey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Tulsa, OK 74104
- Reassigned Medicare billing, Oklahoma enrollment
- 820 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension St John Medical Center
Acute Care Hospitals · Tulsa, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74133 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
TULSA, OK 74133
TULSA, OK 74133
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 Aaron Downey's NPI number?
The NPI number for Aaron Downey is 1174105522. It was assigned to this individual provider in the NPPES registry on April 26, 2021.
Where is Aaron Downey located?
Aaron Downey practices at 8131 S Memorial Dr Ste 100, Tulsa, OK 74133. The listed phone number is (918) 200-9944.
What is Aaron Downey's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Aaron Downey enrolled in Medicare?
Yes. Aaron Downey 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 organization bills Medicare for Aaron Downey's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Downey reassigns Medicare benefits to St. John Physicians, Inc. (Tulsa, OK). 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 Aaron Downey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Aaron Downey accept?
Health plans from Blue Cross and Blue Shield of Oklahoma and CommunityCare list Aaron Downey 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.
Is Aaron Downey affiliated with any hospitals?
According to CMS data, Aaron Downey is affiliated with Ascension St John Medical Center.
When was this NPI record last updated?
The NPPES record for Aaron Downey was last updated on October 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Aaron Cole Downey, DO · NPI 1174105522
Internal Medicine physician in Tulsa, Oklahoma. Individual provider, active in the CMS NPPES registry since April 26, 2021.
## Identity
- **NPI:** 1174105522 (Entity type: Individual)
- **Enumerated:** April 26, 2021
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 9354 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 8131 S MEMORIAL DR STE 100, Tulsa, OK 74133-4348
- **Phone:** (918) 200-9944 · **Fax:** (877) 616-3089
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** St. John Physicians, Inc. (NPI 1336194406, Tulsa, OK), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** October 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1174105522) · Data from the CMS NPPES public registry.