Dr. Michael Eric Janssen, MD
- Medicare services, 2024
- 1,497
- Medicare patients, 2024
- 312
- Part D claims, 2024
- 6,023
- Publications
- 21
- Clinical trials
- 2
- Practice address
- 5350 Tallman Avenue NW, Seattle, WA 98107
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Imaging, Ballard / Ultrasound /21576700 - HOPD
Acute Care Hospital outpatient department · Seattle, Washington
Find Dr. Janssen's professional email, personal email and mobile number
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Dr. Michael Eric Janssen is an internist in Seattle, Washington
Dr. Janssen practices at Imaging, Ballard / Ultrasound /21576700 - HOPD in Seattle, Washington.
Dr. Janssen's NPI, 1194804161, was assigned on November 2, 2006. Dr. Janssen graduated from University of Washington School of Medicine in 2004. Dr. Janssen holds Washington license MD60344899.
- NPI
- 1194804161NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749358869
- NPI enumeration date
- November 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Eric Janssen practices at Imaging, Ballard / Ultrasound /21576700 - HOPD in Seattle, Washington
Dr. Janssen's primary practice is Imaging, Ballard / Ultrasound /21576700 - HOPD, at 5350 Tallman Avenue NW, Seattle, WA 98107.
- Imaging, Ballard / Ultrasound /21576700 - HOPD5350 Tallman Avenue NW, Seattle, WA 98107
Source: Dmand AI Affiliation Data
Dr. Michael Eric Janssen is affiliated with 10 sites of care and 4 medical groups
Dr. Janssen's primary practice is Imaging, Ballard / Ultrasound /21576700 - HOPD in Seattle, Washington. Dr. Janssen is also affiliated with Swedish First Hill Campus. The medical group on file is Swedish Health Services. Dmand AI also links Dr. Janssen to 2 more hospitals, 4 group practices and clinics, 3 medical groups and 2 home health agencies, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Michael Eric Janssen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Janssen practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Imaging, Ballard / Ultrasound /21576700 - HOPD | Available with a free account |
| +9 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Eric Janssen is one of 2,689 internists in Washington
Internal medicine is Dr. Janssen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Janssen's licenses on file in 3 states: Washington, New Hampshire and Wyoming.
Specialties and state licenses
- Internal medicine, WashingtonPrimary
- New Hampshire license
- Wyoming license
Internists near Dr. Janssen
Counts of internists 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. Michael Eric Janssen billed Medicare for 1,497 services in 2024
CMS data shows 1,497 Medicare services from Dr. Janssen across 9 procedure codes in 2024, for 312 Medicare patients. Medicare paid $103,807 for them. Every service was in an office.
Dr. Janssen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6882024: 6722%
- Other services
- 2023: 2912024: 617112%
- Tests and treatments
- 2023: 1262024: 126No change
- Lab and pathology
- 2023: 642024: 8228%
Dr. Janssen compared with the Washington median for internists, 2024
- Dr. Janssen
- Washington median
- Medicare services
- 1,497vs 3644.1 times
- Medicare patients
- 312vs 16589% above
- Part D claims
- 5,346vs 18229.4 times
Medians across 2,604 internists in Washington with Dmand AI profiles that report each measure.
Dr. Janssen'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. Janssen and other internists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Eric Janssen treated 312 Medicare patients in 2024, average age 77
CMS counts 312 Medicare patients who saw Dr. Janssen in 2024. The largest group is 65 to 74, with 140 patients. 75% of them have high cholesterol, and 60% have high blood pressure. 5% are also on Medicaid. Their average risk score is 1.01, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Janssen's median patient age at 72, with 33% women.
Dr. Janssen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Janssen's Medicare patients by sex, 2024
- Women12239%
- Men19061%
Chronic conditions among Dr. Janssen's Medicare patients, 2024
- High cholesterol75%
- High blood pressure60%
- Arthritis33%
- Mood disorders24%
- Depression21%
- Ischemic heart disease20%
- Cancer19%
- Atrial fibrillation18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Janssen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women33%
- Men66%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Eric Janssen wrote 6,023 Medicare Part D claims in 2024
In 2024, Dr. Janssen wrote 6,023 Medicare Part D claims for 465 patients. 89% of them were for generic drugs. CMS names the drug for 5,346 of them, across 101 drugs with 11 or more claims each, at $438,170 in total drug cost. In 2023, CMS named 4,914 claims across 100 drugs.
Dr. Janssen's Part D claims by kind of drug, 2024
- Generic5,366 claims89%
- Brand-name619 claims10%
- Other38 claims1%
Dr. Janssen'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. Janssen's Part D claims, 2024
- Opioids1%68 of 6,023 claims
- Antibiotics1%40 of 6,023 claims
- Antipsychotics, patients 65 and over1%34 of 6,023 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: 4,9142024: 5,3469%
Drugs named by CMS: 101 in 2024, 100 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 Eric Janssen ranks in the 60th percentile for removal of skin lesions in Medicare
Dr. Janssen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Janssen as offering telehealth. CMS counts 13 procedures of removal of skin lesions by Dr. Janssen, more than 60% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Janssen ranks in Medicare procedure volume
- Removal of skin lesions
- 60th percentile13 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal or shaving of skin growth: 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. Michael Eric Janssen has 21 publications on record
Dmand AI links 21 papers to Dr. Janssen, published from 2012 to 2022. 2016 was the busiest year, with 3. The most frequent topics are Cervical Vertebrae, Spinal Fusion and Diskectomy. Dr. Janssen has published most often in Spine (Phila Pa 1976). Dr. Janssen's most frequent co-authors are Rick C. Sasso, MD, Alexander Richard Vaccaro, MD, PhD and Jack E. Zigler, MD.
Dr. Janssen's papers by year, 2012 to 2022
Topics Dr. Janssen writes about most
- Cervical Vertebrae
- Spinal Fusion
- Diskectomy
- Intervertebral Disc Degeneration
- Total Disc Replacement
- Device Approval
- Intervertebral Disc
- Lumbar Vertebrae
Dr. Janssen's most frequent co-authors
- Rick C. Sasso, MD10 shared papers
- Alexander Richard Vaccaro, MD, PhD10 shared papers
- Jack E. Zigler, MD6 shared papers
Recent publications by Dr. Janssen
See who Dr. Janssen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Janssen works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michael Eric Janssen has worked on 2 clinical trials
Dmand AI links Dr. Janssen to 2 clinical trials. 2 are still active or recruiting. Conditions studied include Neck Pain, Spinal Stenosis and Low Back Pain.
Conditions in Dr. Janssen's trials
- Neck Pain
- Spinal Stenosis
- Low Back Pain
- Paresis
Investigators on the most trials with Dr. Janssen
- David A. Cavanaugh, MD2 shared trials
- Pierce D. Nunley, MD2 shared trials
- Alexandre Rasouli, MD2 shared trials
Recent clinical trials with Dr. Janssen
2-level Cervical Disc Replacement Comparing Prodisc C SK & Vivo to Mobi-C (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Michael Eric Janssen graduated from University of Washington School of Medicine
Dr. Janssen graduated from University of Washington School of Medicine in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Eric Janssen'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 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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Michael Eric Janssen
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What is Dr. Michael Eric Janssen's NPI number?
Dr. Michael Eric Janssen's NPI number is 1194804161. It was assigned on November 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Eric Janssen?
Dr. Michael Eric Janssen is an internist in Seattle, Washington. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Michael Eric Janssen practice?
Dr. Janssen practices at 5350 Tallman Avenue NW, Seattle, WA 98107. Dr. Janssen's primary practice is Imaging, Ballard / Ultrasound /21576700 - HOPD in Seattle, Washington. Dmand AI also links Dr. Janssen to 2 hospitals, 4 group practices and clinics, 3 medical groups and 2 home health agencies.
What is Dr. Michael Eric Janssen's medical license number?
Dr. Janssen holds Washington license MD60344899, one of the licenses on file in 3 states.
Which states has Dr. Michael Eric Janssen been licensed in?
Dmand AI has state licenses on file for Dr. Janssen in Washington, New Hampshire and Wyoming.
Which hospitals is Dr. Michael Eric Janssen affiliated with?
Dr. Janssen is affiliated with Swedish First Hill Campus. Dmand AI links Dr. Janssen to 2 more hospitals.
What medical group is Dr. Michael Eric Janssen part of?
Dr. Janssen is linked to Swedish Health Services. Dmand AI links Dr. Janssen to 3 more medical groups.
Does Dr. Michael Eric Janssen accept Medicare?
Yes. CMS data shows Dr. Janssen billed Medicare for 1,497 services in 2024, and Dr. Janssen accepts Medicare assignment.
Does Dr. Michael Eric Janssen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Janssen as offering telehealth services.
How many Medicare patients does Dr. Michael Eric Janssen see?
CMS counts 312 Medicare patients who saw Dr. Janssen in 2024, with an average age of 77.
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What services does Dr. Michael Eric Janssen bill to Medicare?
In 2024, Dr. Janssen's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0439).
Where did Dr. Michael Eric Janssen go to medical school?
Dr. Janssen graduated from University of Washington School of Medicine in 2004.
What drugs does Dr. Michael Eric Janssen prescribe most?
In 2024 Medicare Part D data, Dr. Janssen's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
How long has Dr. Michael Eric Janssen been practicing?
Dr. Janssen graduated from medical school in 2004, 22 years ago.
Does Dr. Michael Eric Janssen do research?
Dmand AI links 21 publications to Dr. Janssen, published from 2012 to 2022. Dr. Janssen has worked on 2 clinical trials.
Who does Dr. Michael Eric Janssen publish with?
Dr. Janssen's most frequent co-authors are Rick C. Sasso, MD (10 shared papers), Alexander Richard Vaccaro, MD, PhD (10 shared papers) and Jack E. Zigler, MD (6 shared papers).
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