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DR. DALTON J MACKAY MD
NPI 1801079488
Family Medicine in Castle Rock, CO

Active since December 06, 2007Opted out of Medicare · through May 30, 2028
651 TOPEKA WAY STE 600, CASTLE ROCK, CO 80109(303) 728-9661(303) 728-9786 Get Directions Write a Review

NPPES record last updated: February 17, 2020. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Feb 17, 2020, Aug 2, 2019 (2 updates tracked since 2019).

About Dr. Dalton J Mackay Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DALTON J MACKAY MD (NPI 1801079488) is an individual family medicine provider in Castle Rock, Colorado, licensed in Colorado (48378) and active in the NPI registry since December 2007. She has opted out of Medicare through May 30, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1801079488
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. DALTON J MACKAYCredential: MD
Location Address651 TOPEKA WAY STE 600Castle Rock, CO 80109-3116
Mailing Address651 Topeka Way Ste 600Castle Rock, CO 80109-3116 · (303) 728-9661 · Fax (303) 728-9786
Phone(303) 728-9661
Fax(303) 728-9786
Sole ProprietorNo
Enumeration DateDecember 6, 2007
Last NPPES UpdateFebruary 17, 20202 updates tracked since enumeration
✔ NPI 1801079488 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in CO · 48378✔ Licensed in OK · 25129
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
651 TOPEKA WAY STE 600, Castle Rock, CO 80109
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Other Names 1

Former Name (1)Dalton J Ellis

Other Identifiers 1

Medicaid91584078CO

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Dalton J Mackay Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from May 30, 2020 through May 30, 2028.

Opt-Out Effective DateMay 30, 2020
Opt-Out In Effect ThroughMay 30, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$89.43 typical visit price
range $58.06 – $174.82
Typical copayment $22.35 (range $14.51 – $43.70)
Most-billed visit code 99203
Established Patient
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
4 suppliers13 claims58 services$2.36 avg. paid by Medicare
Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466
DME-Other DME · category DE005N
1 supplier12 claims12 services$768.64 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
3 suppliers20 claims20 services$38.74 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers25 claims25 services$60.49 avg. paid by Medicare
Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738
DME-Oxygen and Supplies · category DC000N
1 supplier12 claims12 services$33.95 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

INFUSION TREATMENT CENTERS INC
Point of Service
651 TOPEKA WAY STE 600
CASTLE ROCK, CO 80109
Douglas County (303) 663-4224

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 Dalton Mackay's NPI number?

The NPI number for Dalton Mackay is 1801079488. It was assigned to this individual provider in the NPPES registry on December 6, 2007. The provider is also known as Dalton J Ellis.

Where is Dalton Mackay located?

Dalton Mackay practices at 651 Topeka Way Ste 600, Castle Rock, CO 80109. The listed phone number is (303) 728-9661.

What is Dalton Mackay's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Dalton Mackay enrolled in Medicare?

No. Dalton Mackay has opted out of Medicare through May 30, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Dalton Mackay was last updated on February 17, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.