Dr. Mark James Herr, MD
- Medicare services, 2024
- 474
- Medicare patients, 2024
- 276
- Part D claims, 2024
- 163
- Hospital affiliations
- 1
- Industry payments
- $2,645
- Practice address
- 1650 4th street SE, Rochester, MN 55902
- Practice phone
- Call (507) 292-7151
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Olmsted Medical Center - Mammography - Hospital and 24-Hour ED
Mammography / Breast Imaging Center · Rochester, Minnesota
Find Dr. Herr's professional email, personal email and mobile number
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Dr. Mark James Herr is an orthopedic surgeon in Rochester, Minnesota
Dr. Herr practices at Olmsted Medical Center - Mammography - Hospital and 24-Hour ED in Rochester, Minnesota.
Dr. Herr's NPI, 1477532711, was assigned on January 14, 2006. Dr. Herr graduated from University of Wisconsin School of Medicine in 1999. Dr. Herr holds Minnesota license 43168.
- NPI
- 1477532711NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739160235
- NPI enumeration date
- January 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (507) 292-7151
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark James Herr practices at Olmsted Medical Center - Mammography - Hospital and 24-Hour ED in Rochester, Minnesota
Dr. Herr's primary practice is Olmsted Medical Center - Mammography - Hospital and 24-Hour ED, at 1650 4th street SE, Rochester, MN 55902. The practice phone is (507) 292-7151.
- Olmsted Medical Center - Mammography - Hospital and 24-Hour ED1650 4th street SE, Rochester, MN 55902Phone(507) 292-7151
Source: Dmand AI Affiliation Data
Dr. Mark James Herr is affiliated with 3 sites of care and 1 medical group
Dr. Herr's primary practice is Olmsted Medical Center - Mammography - Hospital and 24-Hour ED in Rochester, Minnesota. Dr. Herr is also affiliated with Olmsted Medical Center. The medical group on file is Olmsted Medical Center. Dmand AI also links Dr. Herr to 1 more skilled nursing facility, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark James Herr's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Herr practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Olmsted Medical Center - Mammography - Hospital and 24-Hour ED | 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. Mark James Herr is one of 533 orthopedic surgeons in Minnesota
Orthopaedic surgery is Dr. Herr's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dmand AI has Dr. Herr's licenses on file in 2 states: Minnesota and Wisconsin.
Specialties and state licenses
- Orthopaedic surgery, MinnesotaPrimary
- Wisconsin license
Orthopedic surgeons near Dr. Herr
Counts of orthopedic surgeons 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. Mark James Herr billed Medicare for 474 services in 2024
CMS data shows 474 Medicare services from Dr. Herr across 9 procedure codes in 2024, for 276 Medicare patients. Medicare paid $74,430 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Herr's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2692024: 31517%
- Surgery
- 2023: 1162024: 13416%
- Imaging
- 2023: 242024: 254%
Dr. Herr compared with the Minnesota median for orthopedic surgeons, 2024
- Dr. Herr
- Minnesota median
- Medicare services
- 474vs 34637% above
- Medicare patients
- 276vs 16567% above
- Part D claims
- 124vs 6882% above
Medians across 514 orthopedic surgeons in Minnesota with Dmand AI profiles that report each measure.
Dr. Herr'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. Herr and other orthopedic surgeons in Minnesota.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark James Herr treated 276 Medicare patients in 2024, average age 72
CMS counts 276 Medicare patients who saw Dr. Herr in 2024. The largest group is 65 to 74, with 149 patients. 75% of them have arthritis, and 71% have high cholesterol. 14% are also on Medicaid. Their average risk score is 0.91, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Herr's median patient age at 70, with 64% women.
Dr. Herr's Medicare patients by age, 2024
Dr. Herr's Medicare patients by sex, 2024
- Women17162%
- Men10538%
Chronic conditions among Dr. Herr's Medicare patients, 2024
- Arthritis75%
- High cholesterol71%
- High blood pressure68%
- Mood disorders29%
- Depression28%
- Diabetes27%
- Anxiety24%
- Ischemic heart disease17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Herr's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women64%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark James Herr wrote 163 Medicare Part D claims in 2024
In 2024, Dr. Herr wrote 163 Medicare Part D claims for 102 patients. 99% of them were for generic drugs. CMS names the drug for 124 of them, across 5 drugs with 11 or more claims each, at $396 in total drug cost. In 2023, CMS named 121 claims across 4 drugs.
Dr. Herr's Part D claims by kind of drug, 2024
- Generic161 claims99%
- Brand-name and other2 claims1%
Dr. Herr'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. Herr's Part D claims, 2024
- Opioids37%60 of 163 claims
- Antibiotics7%12 of 163 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1212024: 1242%
Drugs named by CMS: 5 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. Mark James Herr ranks in the 74th percentile for hip replacement in Medicare
Dr. Herr accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Herr as offering telehealth. CMS counts 28 procedures of hip replacement by Dr. Herr, more than 74% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Herr ranks in Medicare procedure volume
- Knee replacement
- 67th percentile33 procedures
- Hip replacement
- 74th percentile28 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Mark James Herr received $2,645 in industry payments from 2016 to 2025
CMS Open Payments shows 26 general payments to Dr. Herr from 6 drug and device companies from 2016 to 2025. Education make up the largest share, 50% of the total. Gemini Medical LLC paid the most, $963.
General payments to Dr. Herr by program year, 2016 to 2025
General payments to Dr. Herr by kind, 2016 to 2025
- Education$1,31750%
- Food and beverage$1,11642%
- Travel and lodging$2138%
Companies that paid Dr. Herr the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark James Herr graduated from University of Wisconsin School of Medicine
Dr. Herr graduated from University of Wisconsin School of Medicine in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark James Herr'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) |
| 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. Mark James Herr
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. Mark James Herr's NPI number?
Dr. Mark James Herr's NPI number is 1477532711. It was assigned on January 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark James Herr?
Dr. Mark James Herr is an orthopedic surgeon in Rochester, Minnesota. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Mark James Herr practice?
Dr. Herr practices at 1650 4th street SE, Rochester, MN 55902. Dr. Herr's primary practice is Olmsted Medical Center - Mammography - Hospital and 24-Hour ED in Rochester, Minnesota. Dmand AI also links Dr. Herr to 1 skilled nursing facility.
What is Dr. Mark James Herr's office phone number?
The practice phone on file for Dr. Herr is (507) 292-7151.
What is Dr. Mark James Herr's medical license number?
Dr. Herr holds Minnesota license 43168, one of the licenses on file in 2 states.
Which states has Dr. Mark James Herr been licensed in?
Dmand AI has state licenses on file for Dr. Herr in Minnesota and Wisconsin.
Which hospitals is Dr. Mark James Herr affiliated with?
Dr. Herr is affiliated with Olmsted Medical Center.
What medical group is Dr. Mark James Herr part of?
Dr. Herr is linked to Olmsted Medical Center.
Does Dr. Mark James Herr accept Medicare?
Yes. CMS data shows Dr. Herr billed Medicare for 474 services in 2024, and Dr. Herr accepts Medicare assignment.
Does Dr. Mark James Herr offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Herr as offering telehealth services.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Mark James Herr see?
CMS counts 276 Medicare patients who saw Dr. Herr in 2024, with an average age of 72.
What services does Dr. Mark James Herr bill to Medicare?
In 2024, Dr. Herr's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and surgery: bones and joints (20610).
Where did Dr. Mark James Herr go to medical school?
Dr. Herr graduated from University of Wisconsin School of Medicine in 1999.
What drugs does Dr. Mark James Herr prescribe most?
In 2024 Medicare Part D data, Dr. Herr's most prescribed drugs by claims were Meloxicam, Tramadol HCl and Oxycodone HCl.
Has Dr. Mark James Herr received payments from drug or device companies?
CMS Open Payments shows $2,645 in general payments to Dr. Herr from 6 companies from 2016 to 2025. The largest total came from Gemini Medical LLC.
How long has Dr. Mark James Herr been practicing?
Dr. Herr graduated from medical school in 1999, 27 years ago.
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