Dr. Stephanie M. MacKenzie, DO
- Part D claims, 2024
- 343
- Hospital affiliations
- 1
- Industry payments
- $45
- Medical group
- 1
- State license
- 1
- Practice address
- 5301 E Huron River Dr, Ann Arbor, MI 48105
- Practice phone
- Call (734) 712-3456
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Trinity Health Ann Arbor
Ann Arbor, Michigan
Find Dr. MacKenzie's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Stephanie M. MacKenzie is an internist in Ann Arbor, Michigan
Dr. MacKenzie practices at Trinity Health Ann Arbor in Ann Arbor, Michigan.
Dr. MacKenzie's NPI, 1831849058, was assigned on March 29, 2022. Dr. MacKenzie graduated from Michigan State University College of Osteopathic Medicine in 2022. Dr. MacKenzie holds Michigan license 5101028481.
- NPI
- 1831849058NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779963194
- NPI enumeration date
- March 29, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (734) 712-3456
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephanie M. MacKenzie practices at Trinity Health Ann Arbor in Ann Arbor, Michigan
Dr. MacKenzie's primary practice is Trinity Health Ann Arbor, at 5301 E Huron River Dr, Ann Arbor, MI 48105 in Washtenaw County. The practice phone is (734) 712-3456.
- Trinity Health Ann Arbor5301 E Huron River Dr, Ann Arbor, MI 48105 · Washtenaw CountyPhone(734) 712-3456
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Stephanie M. MacKenzie is affiliated with 3 sites of care and 1 medical group
Dr. MacKenzie's primary practice is Trinity Health Ann Arbor in Ann Arbor, Michigan. Dr. MacKenzie is also affiliated with Trinity Health Ann Arbor Hospital. The medical group on file is Trinity Health IHA Medical Group. Dmand AI also links Dr. MacKenzie to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Stephanie M. MacKenzie's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. MacKenzie practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Trinity Health Ann Arbor | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephanie M. MacKenzie is one of 4,804 internists in Michigan
Internal medicine is Dr. MacKenzie's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. MacKenzie is licensed in Michigan.
Specialties and state licenses
- Internal medicine, MichiganPrimary
Internists near Dr. MacKenzie
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Stephanie M. MacKenzie's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. MacKenzie's median patient age at 69, with 76% women.
Dr. MacKenzie's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women76%
- Men24%
Source: Dmand AI Patient Panel Data
Dr. Stephanie M. MacKenzie wrote 343 Medicare Part D claims in 2024
In 2024, Dr. MacKenzie wrote 343 Medicare Part D claims for 99 patients. 86% of them were for generic drugs. CMS names the drug for 83 of them, across 5 drugs with 11 or more claims each, at $967 in total drug cost.
Dr. MacKenzie's Part D claims by kind of drug, 2024
- Generic294 claims86%
- Brand-name and other49 claims14%
Dr. MacKenzie's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. MacKenzie's Part D claims, 2024
- Opioids4%15 of 343 claims
- Antibiotics5%16 of 343 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Stephanie M. MacKenzie takes part in Medicare
Dr. MacKenzie accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Stephanie M. MacKenzie received $45 in industry payments in 2025
CMS Open Payments shows 3 general payments to Dr. MacKenzie from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Astellas Pharma US Inc paid the most, $26.
Companies that paid Dr. MacKenzie the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephanie M. MacKenzie graduated from Michigan State University College of Osteopathic Medicine
Dr. MacKenzie graduated from Michigan State University College of Osteopathic Medicine in 2022.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stephanie M. MacKenzie's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Stephanie M. MacKenzie
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Stephanie M. MacKenzie's NPI number?
Dr. Stephanie M. MacKenzie's NPI number is 1831849058. It was assigned on March 29, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephanie M. MacKenzie?
Dr. Stephanie M. MacKenzie is an internist in Ann Arbor, Michigan. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Stephanie M. MacKenzie practice?
Dr. MacKenzie practices at 5301 E Huron River Dr, Ann Arbor, MI 48105. Dr. MacKenzie's primary practice is Trinity Health Ann Arbor in Ann Arbor, Michigan. Dmand AI also links Dr. MacKenzie to 1 group practice or clinic.
What is Dr. Stephanie M. MacKenzie's office phone number?
The practice phone on file for Dr. MacKenzie is (734) 712-3456.
What is Dr. Stephanie M. MacKenzie's medical license number?
Dr. MacKenzie holds Michigan license 5101028481, one of 2 state licenses on file.
Which hospitals is Dr. Stephanie M. MacKenzie affiliated with?
Dr. MacKenzie is affiliated with Trinity Health Ann Arbor Hospital.
What medical group is Dr. Stephanie M. MacKenzie part of?
Dr. MacKenzie is linked to Trinity Health IHA Medical Group.
Does Dr. Stephanie M. MacKenzie accept Medicare?
Yes. CMS lists Dr. MacKenzie as accepting Medicare assignment.
Where did Dr. Stephanie M. MacKenzie go to medical school?
Dr. MacKenzie graduated from Michigan State University College of Osteopathic Medicine in 2022.
What drugs does Dr. Stephanie M. MacKenzie prescribe most?
In 2024 Medicare Part D data, Dr. MacKenzie's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Furosemide.
Has Dr. Stephanie M. MacKenzie received payments from drug or device companies?
CMS Open Payments shows $45 in general payments to Dr. MacKenzie from 3 companies from 2025 to 2025. The largest total came from Astellas Pharma US Inc.
How long has Dr. Stephanie M. MacKenzie been practicing?
Dr. MacKenzie graduated from medical school in 2022, 4 years ago.
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