Endothelium, CornealFuchs' Endothelial DystrophyMedicare
Dr. Michael A. Mahr, MD
NPI1225016959PAC ID5597806984
- Medicare services, 2024
- 1,323
- Medicare patients, 2024
- 558
- Part D claims, 2024
- 890
- Publications
- 25
- Hospital affiliations
- 1
- Practice address
- 1216 Second Street Southwest, Rochester, MN 55902
- Practice phone
- Call (507) 255-5123
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Michael A. Mahr is an ophthalmologist in Rochester, Minnesota
Dr. Mahr practices at Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota, part of Mayo Clinic.
Dr. Mahr's NPI, 1225016959, was assigned on January 3, 2006. Dr. Mahr graduated from Washington University School of Medicine in 1996. Dr. Mahr holds Minnesota license 39825.
NPI and contact details
- NPI
- 1225016959NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597806984
- NPI enumeration date
- January 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (507) 255-5123
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael A. Mahr practices at Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota
Dr. Mahr's primary practice is Mayo Clinic Hospital, Saint Marys Campus, at 1216 Second Street Southwest, Rochester, MN 55902 in Olmsted County. The practice phone is (507) 255-5123.
- Mayo Clinic Hospital, Saint Marys Campus1216 Second Street Southwest, Rochester, MN 55902 · Olmsted CountyPhone(507) 255-5123
Source: Dmand AI Affiliation Data
Dr. Michael A. Mahr is affiliated with 2 sites of care and 2 medical groups
Dr. Mahr's primary practice is Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota, part of Mayo Clinic. The medical group on file is Mayo Clinic. Dmand AI also links Dr. Mahr to 1 more hospice and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael A. Mahr's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mahr practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mayo Clinic Hospital, Saint Marys Campus | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael A. Mahr is one of 346 ophthalmologists in Minnesota
Ophthalmology is Dr. Mahr's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dmand AI has Dr. Mahr's licenses on file in 2 states: Minnesota and Iowa.
Specialties and state licenses
- Ophthalmology, MinnesotaPrimary
- Iowa license
Ophthalmologists near Dr. Mahr
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
346ophthalmologists in Minnesota62ophthalmologists in Rochester16ophthalmologists at Mayo Clinic Hospital, Saint Marys Campus
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michael A. Mahr billed Medicare for 1,323 services in 2024
CMS data shows 1,323 Medicare services from Dr. Mahr across 6 procedure codes in 2024, for 558 Medicare patients. Medicare paid $206,687 for them.
Medicare services, 20241,323
Medicare patients558
Paid by Medicare$206,687
Procedure codes6
Dr. Mahr's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 9142024: 913No change
- Surgery
- 2023: 4712024: 41013%
Where Dr. Mahr's Medicare services took place, 2024
- In an office65950%
- In a facility66450%
Dr. Mahr compared with the Minnesota median for ophthalmologists, 2024
- Dr. Mahr
- Minnesota median
- Medicare services
- 1,323vs 81063% above
- Medicare patients
- 558vs 32671% above
- Part D claims
- 860vs 51766% above
Medians across 364 ophthalmologists in Minnesota with Dmand AI profiles that report each measure.
Dr. Mahr's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mahr and other ophthalmologists in Minnesota.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael A. Mahr treated 558 Medicare patients in 2024, average age 75
CMS counts 558 Medicare patients who saw Dr. Mahr in 2024. The largest group is 75 to 84, with 251 patients. 63% of them have high blood pressure, and 61% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mahr's median patient age at 77, with 57% women.
Medicare patients, 2024558
Average age75
Average risk score1.11
Also on Medicaid5%
Dr. Mahr's Medicare patients by age, 2024
Dr. Mahr's Medicare patients by sex, 2024
- Women33760%
- Men22140%
Chronic conditions among Dr. Mahr's Medicare patients, 2024
- High blood pressure63%
- High cholesterol61%
- Arthritis32%
- Chronic kidney disease29%
- Diabetes23%
- Ischemic heart disease19%
- Mood disorders19%
- Osteoporosis18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mahr's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael A. Mahr wrote 890 Medicare Part D claims in 2024
In 2024, Dr. Mahr wrote 890 Medicare Part D claims for 287 patients. 19% of them were for generic drugs. CMS names the drug for 860 of them, across 4 drugs with 11 or more claims each, at $39,981 in total drug cost. In 2023, CMS named 860 claims across 4 drugs.
Part D claims, 2024890
Drugs named by CMS4
Total drug cost$39,981
Part D patients287
Dr. Mahr's Part D claims by kind of drug, 2024
- Generic172 claims19%
- Brand-name718 claims81%
Dr. Mahr'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 8602024: 860No change
Drugs named by CMS: 4 in 2024, 4 in 2023.
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
Dr. Michael A. Mahr ranks in the 94th percentile for cataract surgery in Medicare
Dr. Mahr accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 465 procedures of cataract surgery by Dr. Mahr, more than 94% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Mahr ranks in Medicare procedure volume
- Cataract surgery
- 94th percentile465 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Michael A. Mahr has 25 publications on record
Dmand AI links 25 papers to Dr. Mahr, published from 2015 to 2021. 2018 was the busiest year, with 4. The most frequent topics are Cataract Extraction, Visual Acuity and Angiogenesis Inhibitors. Dr. Mahr has published most often in J Cataract Refract Surg. Dr. Mahr's most frequent co-authors are Jay C. Erie, MD, Matthew Ryan Starr, MD and Sophie J. Bakri, MD.
Papers25
Years published2015 to 2021
Dr. Mahr's papers by year, 2015 to 2021
Topics Dr. Mahr writes about most
- Cataract Extraction
- Visual Acuity
- Angiogenesis Inhibitors
- Anterior Eye Segment
- Cataract
- Medicare
- Medicare Part B
- Ophthalmology
Dr. Mahr's most frequent co-authors
- Jay C. Erie, MD15 shared papers
- Matthew Ryan Starr, MD4 shared papers
- Sophie J. Bakri, MD3 shared papers
Recent publications by Dr. Mahr
Angiogenesis InhibitorsCataractDiabetes Mellitus
Angiogenesis InhibitorsBevacizumabCataract
Ophthalmol Glaucoma
GlaucomaGlaucoma Drainage ImplantsIntraocular Pressure
See who Dr. Mahr researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mahr works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michael A. Mahr graduated from Washington University School of Medicine
Dr. Mahr graduated from Washington University School of Medicine in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael A. Mahr'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Michael A. Mahr
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. Michael A. Mahr's NPI number?
Dr. Michael A. Mahr's NPI number is 1225016959. It was assigned on January 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael A. Mahr?
Dr. Michael A. Mahr is an ophthalmologist in Rochester, Minnesota. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Michael A. Mahr practice?
Dr. Mahr practices at 1216 Second Street Southwest, Rochester, MN 55902. Dr. Mahr's primary practice is Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota, part of Mayo Clinic. Dmand AI also links Dr. Mahr to 1 hospice and 1 medical group.
What is Dr. Michael A. Mahr's office phone number?
The practice phone on file for Dr. Mahr is (507) 255-5123.
What is Dr. Michael A. Mahr's medical license number?
Dr. Mahr holds Minnesota license 39825, one of the licenses on file in 2 states.
Which states has Dr. Michael A. Mahr been licensed in?
Dmand AI has state licenses on file for Dr. Mahr in Minnesota and Iowa.
Which hospitals is Dr. Michael A. Mahr affiliated with?
Dr. Mahr practices at Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota.
What medical group is Dr. Michael A. Mahr part of?
Dr. Mahr is linked to Mayo Clinic. Dmand AI links Dr. Mahr to 1 more medical group.
Does Dr. Michael A. Mahr accept Medicare?
Yes. CMS data shows Dr. Mahr billed Medicare for 1,323 services in 2024, and Dr. Mahr accepts Medicare assignment.
How many Medicare patients does Dr. Michael A. Mahr see?
CMS counts 558 Medicare patients who saw Dr. Mahr in 2024, with an average age of 75.
Show 6 more questionsShow fewer questions
What services does Dr. Michael A. Mahr bill to Medicare?
In 2024, Dr. Mahr's most billed Medicare services were eye exam or test (92136), surgery: eye (66984) and eye exam or test (92014).
Where did Dr. Michael A. Mahr go to medical school?
Dr. Mahr graduated from Washington University School of Medicine in 1996.
What drugs does Dr. Michael A. Mahr prescribe most?
In 2024 Medicare Part D data, Dr. Mahr's most prescribed drugs by claims were Ketorolac Tromethamine, Prednisolone Acetate and Latanoprost.
How long has Dr. Michael A. Mahr been practicing?
Dr. Mahr graduated from medical school in 1996, 30 years ago.
Does Dr. Michael A. Mahr do research?
Dmand AI links 25 publications to Dr. Mahr, published from 2015 to 2021.
Who does Dr. Michael A. Mahr publish with?
Dr. Mahr's most frequent co-authors are Jay C. Erie, MD (15 shared papers), Matthew Ryan Starr, MD (4 shared papers) and Sophie J. Bakri, MD (3 shared papers).
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