DR. DANIEL MACKAY D.C.
NPI 1144601451
Chiropractor in Tigard, OR
About Dr. Daniel Mackay D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DANIEL MACKAY D.C. (NPI 1144601451) is an individual chiropractor in Tigard, Oregon, licensed in Oregon (5643) and active in the NPI registry since June 2015. He is a graduate of Western States College Of Chiropractic (2015).
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
Dr. Daniel Mackay D.c. 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 Daniel Mackay reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Astoria, OR 97103
- Reassigned Medicare billing, Oregon 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.
Areas of Expertise CMS Part B claims
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.
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 Daniel Mackay's NPI number?
The NPI number for Daniel Mackay is 1144601451. It was assigned to this individual provider in the NPPES registry on June 11, 2015.
Where is Daniel Mackay located?
Daniel Mackay practices at 7430 SW Cherry Dr, Tigard, OR 97223. The listed phone number is (503) 860-4672.
What is Daniel Mackay's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Daniel Mackay enrolled in Medicare?
Yes. Daniel Mackay 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 Daniel Mackay's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Mackay reassigns Medicare benefits to S2 Collaborations LLC (Astoria, 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 Daniel Mackay's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Daniel Mackay accept?
Health plans from BridgeSpan Health Company, Providence Health Plan and Regence BlueCross BlueShield of Oregon list Daniel Mackay 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 Daniel Mackay was last updated on February 10, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Dr. Daniel Mackay, D.C. · NPI 1144601451
Chiropractor provider in Tigard, Oregon. Individual provider, active in the CMS NPPES registry since June 11, 2015.
## Identity
- **NPI:** 1144601451 (Entity type: Individual)
- **Enumerated:** June 11, 2015
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 5643 (Oregon)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 7430 SW CHERRY DR, Tigard, OR 97223-8041
- **Phone:** (503) 860-4672 · **Fax:** (503) 296-5992
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** S2 Collaborations LLC (NPI 1336700855, Astoria, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Western States College Of Chiropractic, class of 2015
## Record status
- **NPPES last updated:** February 10, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1144601451) · Data from the CMS NPPES public registry.