Dr. Jens Masters Olsen, MD
- Medicare services, 2024
- 578
- Medicare patients, 2024
- 434
- Part D claims, 2024
- 304
- Hospital affiliations
- 4
- Industry payments
- $92
- Practice address
- 1825 Logan Avenue, Waterloo, IA 50703
- Practice phone
- Call (319) 235-3941
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Olsen's professional email, personal email and mobile number
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Dr. Jens Masters Olsen is an emergency medicine physician in Waterloo, Iowa
Dr. Olsen practices at UnityPoint Health - Allen Hospital in Waterloo, Iowa, part of UnityPoint Health.
Dr. Olsen's NPI, 1699169698, was assigned on March 27, 2015. Dr. Olsen holds Iowa license MD-45379.
- NPI
- 1699169698NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840576252
- NPI enumeration date
- March 27, 2015
- NPI status
- Active
- Practice phone
- (319) 235-3941
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Jens Masters Olsen practices at UnityPoint Health - Allen Hospital in Waterloo, Iowa
Dr. Olsen's primary practice is UnityPoint Health - Allen Hospital, at 1825 Logan Avenue, Waterloo, IA 50703 in Black Hawk County. The practice phone is (319) 235-3941.
- UnityPoint Health - Allen Hospital1825 Logan Avenue, Waterloo, IA 50703 · Black Hawk CountyPhone(319) 235-3941
Source: Dmand AI Affiliation Data
Dr. Jens Masters Olsen is affiliated with 5 sites of care and 6 medical groups
Dr. Olsen's primary practice is UnityPoint Health - Allen Hospital in Waterloo, Iowa, part of UnityPoint Health. Dr. Olsen is also affiliated with MercyOne Waterloo Medical Center. The medical group on file is UnityPoint Health - Allen Hospital. Dmand AI also links Dr. Olsen to 2 more hospitals, 5 medical groups and 1 rural health clinic, 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. Jens Masters Olsen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Olsen practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UnityPoint Health - Allen Hospital | Available with a free account |
| +4 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across UnityPoint Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Jens Masters Olsen is one of 436 emergency medicine physicians in Iowa
Emergency medicine is Dr. Olsen's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Olsen's licenses on file in 2 states: Iowa and Wisconsin.
Specialties and state licenses
- Emergency medicine, IowaPrimary
- Wisconsin license
Emergency medicine physicians near Dr. Olsen
Counts of emergency medicine physicians 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. Jens Masters Olsen billed Medicare for 578 services in 2024
CMS data shows 578 Medicare services from Dr. Olsen across 5 procedure codes in 2024, for 434 Medicare patients. Medicare paid $42,289 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Olsen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4902024: 40018%
- Tests and treatments
- 2023: 2342024: 17824%
Dr. Olsen compared with the Iowa median for emergency medicine physicians, 2024
- Dr. Olsen
- Iowa median
- Medicare services
- 578vs 2362.4 times
- Medicare patients
- 434vs 23982% above
- Part D claims
- 174vs 602.9 times
Medians across 447 emergency medicine physicians in Iowa with Dmand AI profiles that report each measure.
Dr. Olsen'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. Jens Masters Olsen treated 434 Medicare patients in 2024, average age 75
CMS counts 434 Medicare patients who saw Dr. Olsen in 2024. The largest group is 65 to 74, with 145 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.88, 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. Olsen's median patient age at 69, with 52% women.
Dr. Olsen's Medicare patients by age, 2024
Dr. Olsen's Medicare patients by sex, 2024
- Women21048%
- Men22452%
Chronic conditions among Dr. Olsen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease51%
- Arthritis45%
- Chronic kidney disease42%
- Anxiety38%
- Mood disorders38%
- Heart failure37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Olsen'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
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jens Masters Olsen wrote 304 Medicare Part D claims in 2024
In 2024, Dr. Olsen wrote 304 Medicare Part D claims for 224 patients. 93% of them were for generic drugs. CMS names the drug for 174 of them, across 8 drugs with 11 or more claims each, at $1,116 in total drug cost. In 2023, CMS named 132 claims across 7 drugs.
Dr. Olsen's Part D claims by kind of drug, 2024
- Generic284 claims93%
- Brand-name20 claims7%
Dr. Olsen'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. Olsen's Part D claims, 2024
- Opioids13%39 of 304 claims
- Antibiotics33%100 of 304 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: 1322024: 17432%
Drugs named by CMS: 8 in 2024, 7 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
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Dr. Jens Masters Olsen received $92 in industry payments in 2020
CMS Open Payments shows 8 general payments to Dr. Olsen from 1 drug or device company in 2020. Food and beverage make up the largest share, 100% of the total. Vapotherm Inc paid the most, $92.
Companies that paid Dr. Olsen the most, 2020 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jens Masters Olsen'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Jens Masters Olsen
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. Jens Masters Olsen's NPI number?
Dr. Jens Masters Olsen's NPI number is 1699169698. It was assigned on March 27, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Jens Masters Olsen?
Dr. Jens Masters Olsen is an emergency medicine physician in Waterloo, Iowa. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Jens Masters Olsen practice?
Dr. Olsen practices at 1825 Logan Avenue, Waterloo, IA 50703. Dr. Olsen's primary practice is UnityPoint Health - Allen Hospital in Waterloo, Iowa, part of UnityPoint Health. Dmand AI also links Dr. Olsen to 2 hospitals, 5 medical groups and 1 rural health clinic.
What is Dr. Jens Masters Olsen's office phone number?
The practice phone on file for Dr. Olsen is (319) 235-3941.
What is Dr. Jens Masters Olsen's medical license number?
Dr. Olsen holds Iowa license MD-45379, one of the licenses on file in 2 states.
Which states has Dr. Jens Masters Olsen been licensed in?
Dmand AI has state licenses on file for Dr. Olsen in Iowa and Wisconsin.
Which hospitals is Dr. Jens Masters Olsen affiliated with?
Dr. Olsen practices at UnityPoint Health - Allen Hospital in Waterloo, Iowa. Dr. Olsen is also affiliated with MercyOne Waterloo Medical Center. Dmand AI links Dr. Olsen to 2 more hospitals.
What medical group is Dr. Jens Masters Olsen part of?
Dr. Olsen is linked to UnityPoint Health - Allen Hospital. Dmand AI links Dr. Olsen to 5 more medical groups.
Does Dr. Jens Masters Olsen accept Medicare?
Yes. CMS data shows Dr. Olsen billed Medicare for 578 services in 2024.
How many Medicare patients does Dr. Jens Masters Olsen see?
CMS counts 434 Medicare patients who saw Dr. Olsen in 2024, with an average age of 75.
Show 4 more questionsShow fewer questions
What services does Dr. Jens Masters Olsen bill to Medicare?
In 2024, Dr. Olsen's most billed Medicare services were heart test or procedure (93010), emergency department visit (99285) and emergency department visit (99284).
What drugs does Dr. Jens Masters Olsen prescribe most?
In 2024 Medicare Part D data, Dr. Olsen's most prescribed drugs by claims were Prednisone, Hydrocodone-Acetaminophen and Famotidine.
Has Dr. Jens Masters Olsen received payments from drug or device companies?
CMS Open Payments shows $92 in general payments to Dr. Olsen from 1 company from 2020 to 2020. The largest total came from Vapotherm Inc.
How long has Dr. Jens Masters Olsen been practicing?
Dr. Olsen graduated from medical school in 2015, 11 years ago.
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