Dr. Jan-Michael Andresen, DO
- Medicare services, 2024
- 500
- Medicare patients, 2024
- 214
- Part D claims, 2024
- 183
- Hospital affiliations
- 5
- Industry payments
- $294
- Practice address
- 2635 N 7th St, Grand Junction, CO 81501
- Practice phone
- Call (970) 298-2260
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Andresen'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. Jan-Michael Andresen is a hospitalist in Grand Junction, Colorado
Dr. Andresen practices at St. Mary's Regional Hospital in Grand Junction, Colorado, part of Intermountain Health.
Dr. Andresen's NPI, 1356757421, was assigned on July 9, 2014. Dr. Andresen graduated from Lake Erie College of Osteopathic Medicine, Erie in 2014. Dr. Andresen holds Iowa license DO-05099.
- NPI
- 1356757421NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951623966
- NPI enumeration date
- July 9, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (970) 298-2260
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jan-Michael Andresen practices at St. Mary's Regional Hospital in Grand Junction, Colorado
Dr. Andresen's primary practice is St. Mary's Regional Hospital, at 2635 N 7th St, Grand Junction, CO 81501 in Mesa County. The practice phone is (970) 298-2260.
- St. Mary's Regional Hospital2635 N 7th St, Grand Junction, CO 81501 · Mesa CountyPhone(970) 298-2260
Source: Dmand AI Affiliation Data
Dr. Jan-Michael Andresen is affiliated with 5 sites of care and 1 medical group
Dr. Andresen's primary practice is St. Mary's Regional Hospital in Grand Junction, Colorado, part of Intermountain Health. Dr. Andresen is also affiliated with Community Hospital. The medical group on file is Grand Junction Palliative Care. Dmand AI also links Dr. Andresen to 3 more hospitals, 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. Jan-Michael Andresen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Andresen practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Mary's Regional Hospital | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jan-Michael Andresen is one of 758 hospitalists in Colorado
Hospitalist is Dr. Andresen's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Andresen is licensed in Iowa.
Specialties and state licenses
- Hospitalist, IowaPrimary
Hospitalists near Dr. Andresen
Counts of hospitalists 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. Jan-Michael Andresen billed Medicare for 500 services in 2024
CMS data shows 500 Medicare services from Dr. Andresen across 5 procedure codes in 2024, for 214 Medicare patients. Medicare paid $47,120 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Andresen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5982024: 50016%
Dr. Andresen compared with the Colorado median for hospitalists, 2024
- Dr. Andresen
- Colorado median
- Medicare services
- 500vs 28476% above
- Medicare patients
- 214vs 16034% above
- Part D claims
- 28vs 4132% below
Medians across 646 hospitalists in Colorado with Dmand AI profiles that report each measure.
Dr. Andresen'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jan-Michael Andresen treated 214 Medicare patients in 2024, average age 77
CMS counts 214 Medicare patients who saw Dr. Andresen in 2024. The largest group is 75 to 84, with 94 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.98, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Andresen's median patient age at 76, with 50% women.
Dr. Andresen's Medicare patients by age, 2024
Dr. Andresen's Medicare patients by sex, 2024
- Women10951%
- Men10549%
Chronic conditions among Dr. Andresen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
- Arthritis50%
- Atrial fibrillation43%
- Heart failure42%
- Ischemic heart disease39%
- Chronic kidney disease38%
- Depression36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Andresen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jan-Michael Andresen wrote 183 Medicare Part D claims in 2024
In 2024, Dr. Andresen wrote 183 Medicare Part D claims for 74 patients. 89% of them were for generic drugs. CMS names the drug for 28 of them, across 2 drugs with 11 or more claims each, at $72 in total drug cost. In 2023, CMS named 88 claims across 6 drugs.
Dr. Andresen's Part D claims by kind of drug, 2024
- Generic163 claims89%
- Brand-name and other20 claims11%
Dr. Andresen'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. Andresen's Part D claims, 2024
- Antibiotics12%22 of 183 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: 882024: 2868%
Drugs named by CMS: 2 in 2024, 6 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. Jan-Michael Andresen takes part in Medicare
Dr. Andresen 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. Jan-Michael Andresen received $294 in industry payments from 2016 to 2024
CMS Open Payments shows 9 general payments to Dr. Andresen from 6 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $123.
General payments to Dr. Andresen by program year, 2016 to 2024
Companies that paid Dr. Andresen the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jan-Michael Andresen graduated from Lake Erie College of Osteopathic Medicine, Erie
Dr. Andresen graduated from Lake Erie College of Osteopathic Medicine, Erie in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jan-Michael Andresen'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. Jan-Michael Andresen
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. Jan-Michael Andresen's NPI number?
Dr. Jan-Michael Andresen's NPI number is 1356757421. It was assigned on July 9, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Jan-Michael Andresen?
Dr. Jan-Michael Andresen is a hospitalist in Grand Junction, Colorado. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Jan-Michael Andresen practice?
Dr. Andresen practices at 2635 N 7th St, Grand Junction, CO 81501. Dr. Andresen's primary practice is St. Mary's Regional Hospital in Grand Junction, Colorado, part of Intermountain Health. Dmand AI also links Dr. Andresen to 3 hospitals.
What is Dr. Jan-Michael Andresen's office phone number?
The practice phone on file for Dr. Andresen is (970) 298-2260.
What is Dr. Jan-Michael Andresen's medical license number?
Dr. Andresen holds Iowa license DO-05099.
Which hospitals is Dr. Jan-Michael Andresen affiliated with?
Dr. Andresen practices at St. Mary's Regional Hospital in Grand Junction, Colorado. Dr. Andresen is also affiliated with Community Hospital. Dmand AI links Dr. Andresen to 3 more hospitals.
What medical group is Dr. Jan-Michael Andresen part of?
Dr. Andresen is linked to Grand Junction Palliative Care.
Does Dr. Jan-Michael Andresen accept Medicare?
Yes. CMS data shows Dr. Andresen billed Medicare for 500 services in 2024, and Dr. Andresen accepts Medicare assignment.
How many Medicare patients does Dr. Jan-Michael Andresen see?
CMS counts 214 Medicare patients who saw Dr. Andresen in 2024, with an average age of 77.
What services does Dr. Jan-Michael Andresen bill to Medicare?
In 2024, Dr. Andresen's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and hospital inpatient care (99239).
Show 4 more questionsShow fewer questions
Where did Dr. Jan-Michael Andresen go to medical school?
Dr. Andresen graduated from Lake Erie College of Osteopathic Medicine, Erie in 2014.
What drugs does Dr. Jan-Michael Andresen prescribe most?
In 2024 Medicare Part D data, Dr. Andresen's most prescribed drugs by claims were Atorvastatin Calcium and Clopidogrel.
Has Dr. Jan-Michael Andresen received payments from drug or device companies?
CMS Open Payments shows $294 in general payments to Dr. Andresen from 6 companies from 2016 to 2024. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Jan-Michael Andresen been practicing?
Dr. Andresen graduated from medical school in 2014, 12 years ago.
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