Keir Mackay, MD
NPI 1588287049 · Hospitalist Physician · Rochester, MN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Keir Mackay, MD is a Hospitalist Physician provider in Rochester, MN (NPI 1588287049).
Provider details
- NPI number
- 1588287049
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 72104 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
300 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 134 | $74 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 96 | $112 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 32 | $108 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 19 | $122 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 19 | $163 |
Typical Medicare-allowed amounts for these services range $74–$163 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 502 S 7th StVicennes, IN 47591Phone: (812) 885-6960Fax: (812) 885-6981
Registry dates
- Enumerated
- 2020-05-19
- Last updated
- 2023-06-15
- Certified
- 2023-06-15
Frequently asked questions
- What is Keir Mackay's NPI number?
- Keir Mackay's National Provider Identifier (NPI) is 1588287049, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keir Mackay's specialty?
- Keir Mackay is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Keir Mackay located?
- Keir Mackay's practice location on file with NPPES is 200 1st St Sw, Rochester, MN 55905-0001.
- What is Keir Mackay's phone number?
- The practice phone number listed in the NPPES registry for Keir Mackay is (507) 284-2511.
- Does Keir Mackay accept Medicare?
- Keir Mackay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Keir Mackay's NPI active?
- Yes — Keir Mackay's NPI (1588287049) is active in the NPPES registry as of the last update on 2023-06-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.