Dr. Aaron R. Holmgren, MD
- Medicare services, 2024
- 1,268
- Medicare patients, 2024
- 376
- Part D claims, 2024
- 2,821
- Hospital affiliations
- 5
- Industry payments
- $20
- Practice address
- 1406 6th Ave North, Saint Cloud, MN 56303
- Practice phone
- Call (320) 255-5661
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Holmgren'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. Aaron R. Holmgren is a rheumatologist in Saint Cloud, Minnesota
Dr. Holmgren practices at CentraCare - St. Cloud Hospital in Saint Cloud, Minnesota, part of CentraCare Health System.
Dr. Holmgren's NPI, 1386624310, was assigned on January 17, 2006. Dr. Holmgren graduated from University of Minnesota Medical School in 2001. Dr. Holmgren holds Minnesota license 44724.
- NPI
- 1386624310NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850373739
- NPI enumeration date
- January 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (320) 255-5661
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Aaron R. Holmgren practices at CentraCare - St. Cloud Hospital in Saint Cloud, Minnesota
Dr. Holmgren's primary practice is CentraCare - St. Cloud Hospital, at 1406 6th Ave North, Saint Cloud, MN 56303 in Stearns County. The practice phone is (320) 255-5661.
- CentraCare - St. Cloud Hospital1406 6th Ave North, Saint Cloud, MN 56303 · Stearns CountyPhone(320) 255-5661
Source: Dmand AI Affiliation Data
Dr. Aaron R. Holmgren is affiliated with 8 sites of care and 2 medical groups
Dr. Holmgren's primary practice is CentraCare - St. Cloud Hospital in Saint Cloud, Minnesota, part of CentraCare Health System. Dr. Holmgren is also affiliated with CentraCare - Rice Memorial Hospital. The medical group on file is CentraCare - River Campus Clinic. Dmand AI also links Dr. Holmgren to 3 more hospitals, 2 group practices and clinics, 1 therapy and rehab clinic and 1 medical group, each named with a free account. Dr. Holmgren's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Aaron R. Holmgren's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Holmgren practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| CentraCare - St. Cloud Hospital | Available with a free account |
| +7 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across CentraCare Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Aaron R. Holmgren is one of 136 rheumatologists in Minnesota
Rheumatology is Dr. Holmgren's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Holmgren is licensed in Minnesota.
Specialties and state licenses
- Rheumatology, MinnesotaPrimary
Rheumatologists near Dr. Holmgren
Counts of rheumatologists 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. Aaron R. Holmgren billed Medicare for 1,268 services in 2024
CMS data shows 1,268 Medicare services from Dr. Holmgren across 6 procedure codes in 2024, for 376 Medicare patients. Medicare paid $63,382 for them. Every service was in an office.
Dr. Holmgren's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 1702024: 597251%
- Office and hospital visits
- 2023: 6522024: 5919%
- Imaging
- 2023: 1002024: 8020%
Dr. Holmgren compared with the Minnesota median for rheumatologists, 2024
- Dr. Holmgren
- Minnesota median
- Medicare services
- 1,268vs 83153% above
- Medicare patients
- 376vs 1742.2 times
- Part D claims
- 2,646vs 7133.7 times
Medians across 142 rheumatologists in Minnesota with Dmand AI profiles that report each measure.
Dr. Holmgren'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. Holmgren and other rheumatologists in Minnesota.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Aaron R. Holmgren treated 376 Medicare patients in 2024, average age 73
CMS counts 376 Medicare patients who saw Dr. Holmgren in 2024. The largest group is 65 to 74, with 165 patients. 75% of them have arthritis, and 72% have high blood pressure. 9% are also on Medicaid. Their average risk score is 1.49, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Holmgren's median patient age at 73, with 77% women.
Dr. Holmgren's Medicare patients by age, 2024
Dr. Holmgren's Medicare patients by sex, 2024
- Women30080%
- Men7620%
Chronic conditions among Dr. Holmgren's Medicare patients, 2024
- Arthritis75%
- High blood pressure72%
- High cholesterol61%
- Osteoporosis31%
- Chronic kidney disease30%
- Mood disorders29%
- Anxiety27%
- Depression27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Holmgren's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women77%
- Men23%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Aaron R. Holmgren wrote 2,821 Medicare Part D claims in 2024
In 2024, Dr. Holmgren wrote 2,821 Medicare Part D claims for 427 patients. 82% of them were for generic drugs. CMS names the drug for 2,646 of them, across 34 drugs with 11 or more claims each, at $2,342,627 in total drug cost. In 2023, CMS named 2,559 claims across 31 drugs.
Dr. Holmgren's Part D claims by kind of drug, 2024
- Generic2,327 claims82%
- Brand-name471 claims17%
- Other23 claims1%
Dr. Holmgren'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. Holmgren's Part D claims, 2024
- Opioids8%214 of 2,821 claims
- Antibiotics1%15 of 2,821 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: 2,5592024: 2,6463%
Drugs named by CMS: 34 in 2024, 31 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
How Dr. Aaron R. Holmgren takes part in Medicare
Dr. Holmgren 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. Aaron R. Holmgren received $20 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Holmgren from 1 drug or device company in 2016. Education make up the largest share, 100% of the total. Pfizer Inc. paid the most, $20.
Companies that paid Dr. Holmgren the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Aaron R. Holmgren graduated from University of Minnesota Medical School
Dr. Holmgren graduated from University of Minnesota Medical School in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Aaron R. Holmgren'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) |
| 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. Aaron R. Holmgren
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. Aaron R. Holmgren's NPI number?
Dr. Aaron R. Holmgren's NPI number is 1386624310. It was assigned on January 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Aaron R. Holmgren?
Dr. Aaron R. Holmgren is a rheumatologist in Saint Cloud, Minnesota. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Aaron R. Holmgren practice?
Dr. Holmgren practices at 1406 6th Ave North, Saint Cloud, MN 56303. Dr. Holmgren's primary practice is CentraCare - St. Cloud Hospital in Saint Cloud, Minnesota, part of CentraCare Health System. Dmand AI also links Dr. Holmgren to 3 hospitals, 2 group practices and clinics, 1 therapy and rehab clinic and 1 medical group.
What is Dr. Aaron R. Holmgren's office phone number?
The practice phone on file for Dr. Holmgren is (320) 255-5661.
What is Dr. Aaron R. Holmgren's medical license number?
Dr. Holmgren holds Minnesota license 44724.
Which hospitals is Dr. Aaron R. Holmgren affiliated with?
Dr. Holmgren practices at CentraCare - St. Cloud Hospital in Saint Cloud, Minnesota. Dr. Holmgren is also affiliated with CentraCare - Rice Memorial Hospital. Dmand AI links Dr. Holmgren to 3 more hospitals.
What medical group is Dr. Aaron R. Holmgren part of?
Dr. Holmgren is linked to CentraCare - River Campus Clinic. Dmand AI links Dr. Holmgren to 1 more medical group.
Does Dr. Aaron R. Holmgren accept Medicare?
Yes. CMS data shows Dr. Holmgren billed Medicare for 1,268 services in 2024, and Dr. Holmgren accepts Medicare assignment.
How many Medicare patients does Dr. Aaron R. Holmgren see?
CMS counts 376 Medicare patients who saw Dr. Holmgren in 2024, with an average age of 73.
What services does Dr. Aaron R. Holmgren bill to Medicare?
In 2024, Dr. Holmgren's most billed Medicare services were office visit, established patient (99215), medicare service (G2211) and medicare service (G2212).
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Where did Dr. Aaron R. Holmgren go to medical school?
Dr. Holmgren graduated from University of Minnesota Medical School in 2001.
What drugs does Dr. Aaron R. Holmgren prescribe most?
In 2024 Medicare Part D data, Dr. Holmgren's most prescribed drugs by claims were Methotrexate, Prednisone and Hydroxychloroquine Sulfate.
Has Dr. Aaron R. Holmgren received payments from drug or device companies?
CMS Open Payments shows $20 in general payments to Dr. Holmgren from 1 company from 2016 to 2016. The largest total came from Pfizer Inc.
How long has Dr. Aaron R. Holmgren been practicing?
Dr. Holmgren graduated from medical school in 2001, 25 years ago.
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