Provider Profile
Ryan Michael Mackenzie, NP is a nurse practitioner practicing in Ann Arbor, MI. Ryan is also listed as specializing in nurse practitioner — acute care. Medicare claims data shows Ryan provided 143 services to 83 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
1500 E MEDICAL CENTER DR
Ann Arbor, MI 48109
143 services · 83 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days | Treatment | 93297 |
52 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
42 |
| Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by t | Billing code | G0316 |
29 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
20 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Mackenzie is a nurse practitioner in Ann Arbor, MI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NURSE PRACTITIONER”.
NPI registry
Dr. Mackenzie is listed at 1500 E MEDICAL CENTER DR, Ann Arbor, MI 48109. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (734) 647-5299. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Mackenzie's National Provider Identifier is 1891570453. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Mackenzie attended Other, graduating in 2023. This comes from the CMS National Downloadable File.
CMS public data
Dr. Mackenzie has 3 years experience. Calculated from a graduation year of 2023, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Mackenzie provides treatments such as evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mackenzie. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.