DR. SHANNON ELISE MACKAY DO
NPI 1235585548
Hospitalist in Littleton, CO

Active since May 05, 2016PECOS EnrolledAccepts Medicare Assignment
77.17/100
CMS Quality Rating
7700 S BROADWAY, LITTLETON, CO 80122(303) 730-8900(303) 734-2038 Get Directions Write a Review

NPPES record last updated: July 28, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 28, 2023, Jan 4, 2023, Dec 5, 2019 (3 updates tracked since 2019).

About Dr. Shannon Elise Mackay Do NPPES

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

DR. SHANNON ELISE MACKAY DO (NPI 1235585548) is an individual hospitalist provider in Littleton, Colorado, licensed in Colorado (DR.0062368) and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS, maintains a secondary practice location in Lone Tree, and is a graduate of Rocky Vista University College Of Osteopathic Med (2016).

NPPES Registry Identity

NPI1235585548
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameDR. SHANNON ELISE MACKAYCredential: DO
Location Address7700 S BROADWAYLittleton, CO 80122
Mailing Address7700 S BroadwayLittleton, CO 80122-2602 · (303) 730-8900 · Fax (303) 734-2038
Fax(303) 734-2038
Sole ProprietorYes
Medical School CMSRocky Vista University College Of Osteopathic MedGraduated 2016
Enumeration DateMay 5, 2016
Last NPPES UpdateJuly 28, 20233 updates tracked since enumeration
NPPES CertifiedJuly 28, 2023
NPI 1235585548 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License Licensed in CO · DR.0062368
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License DR.0062368 (CO)
7700 S BROADWAY, Littleton, CO 80122

Other Names 1

Former Name (1)Dr. Shannon Mazer Do

Secondary Practice Location 1

Location 110099 Ridgegate Pkwy Ste 120Lone Tree, CO 80124-5532 · Phone (720) 476-3364

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Shannon Elise Mackay 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.

PECOS PAC ID5698109932
PECOS Enrollment IDI20191219002310
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
413 services179 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
143 services139 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
99 services98 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
24 services15 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80122 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
$132.55 typical visit price
range $58.06 – $174.82
Typical copayment $33.13 (range $14.51 – $43.70)
Most-billed visit code 99204
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

77.17/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality80.27
Promoting Interoperability81
Improvement Activities40
Cost59.47

Referred Medical Equipment & Supplies CMS DME claims 3

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

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
3 suppliers29 claims32 services$14.45 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
6 suppliers79 claims81 services$69.34 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
3 suppliers18 claims18 services$35.11 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 20

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

Family Medicine
7700 S BROADWAY
LITTLETON, CO 80122
Physician Assistant
7700 S BROADWAY
LITTLETON, CO 80122
Orthopaedic Surgery
7700 S BROADWAY
LITTLETON, CO 80122
Internal Medicine
7700 S BROADWAY
LITTLETON, CO 80122
Registered Nurse (Obstetric, Inpatient)
7700 S BROADWAY
LITTLETON, CO 80122
Nurse Practitioner
7700 S BROADWAY, CARDIAC/TELE UNIT
LITTLETON, CO 80122
Pediatrics (Neonatal-Perinatal Medicine)
7700 S BROADWAY
LITTLETON, CO 80122
Nurse Practitioner (Acute Care)
7700 S BROADWAY
LITTLETON, CO 80122

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 Shannon Mackay's NPI number?

The NPI number for Shannon Mackay is 1235585548. It was assigned to this individual provider in the NPPES registry on May 5, 2016. The provider is also known as Dr. Shannon Mazer Do.

Where is Shannon Mackay located?

Shannon Mackay practices at 7700 S Broadway, Littleton, CO 80122. The listed phone number is (303) 730-8900.

What is Shannon Mackay's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Shannon Mackay enrolled in Medicare?

Yes. Shannon 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.

When was this NPI record last updated?

The NPPES record for Shannon Mackay was last updated on July 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.