B-LymphocytesDeoxyribonucleasesEpstein-Barr Virus Infections
Dr. Eric Christian Johannsen, MD
NPI1437115680PAC ID7618049743
- Medicare services, 2024
- 103
- Medicare patients, 2024
- 74
- Part D claims, 2024
- 117
- Publications
- 44
- MIPS score, 2024
- 83
- Practice address
- 600 Highland Ave, Madison, WI 53792
- Practice phone
- Call (608) 265-1978
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Health Services - Madison (Highland Ave)
College / University Student Health · Madison, Wisconsin
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Dr. Eric Christian Johannsen is an infectious disease specialist in Madison, Wisconsin
Dr. Johannsen practices at University Health Services - Madison (Highland Ave) in Madison, Wisconsin.
Dr. Johannsen's NPI, 1437115680, was assigned on April 25, 2006. Dr. Johannsen graduated from Harvard Medical School in 1995. Dr. Johannsen holds Wisconsin license 56404.
NPI and contact details
- NPI
- 1437115680NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618049743
- NPI enumeration date
- April 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (608) 265-1978
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Eric Christian Johannsen practices at University Health Services - Madison (Highland Ave) in Madison, Wisconsin
Dr. Johannsen's primary practice is University Health Services - Madison (Highland Ave), at 600 Highland Ave, Madison, WI 53792. The practice phone is (608) 265-1978.
- University Health Services - Madison (Highland Ave)600 Highland Ave, Madison, WI 53792Phone(608) 265-1978
Source: Dmand AI Affiliation Data
Dr. Eric Christian Johannsen is affiliated with 2 sites of care and 1 medical group
Dr. Johannsen's primary practice is University Health Services - Madison (Highland Ave) in Madison, Wisconsin. Dr. Johannsen is also affiliated with University Hospital. The medical group on file is UW Health. Dr. Johannsen's employer is on file too: a school & student health.
University Health Services - Madison (Highland Ave)Primary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Eric Christian Johannsen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johannsen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Health Services - Madison (Highland Ave) | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Eric Christian Johannsen is one of 154 infectious disease specialists in Wisconsin
Infectious disease is Dr. Johannsen's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Johannsen is licensed in Wisconsin.
Specialties and state licenses
- Infectious disease, WisconsinPrimary
Infectious disease specialists near Dr. Johannsen
Counts of infectious disease specialists 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. Eric Christian Johannsen billed Medicare for 103 services in 2024
CMS data shows 103 Medicare services from Dr. Johannsen across 4 procedure codes in 2024, for 74 Medicare patients. Medicare paid $9,733 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024103
Medicare patients74
Paid by Medicare$9,733
Procedure codes4
Dr. Johannsen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1612024: 10336%
Dr. Johannsen compared with the Wisconsin median for infectious disease specialists, 2024
- Dr. Johannsen
- Wisconsin median
- Medicare services
- 103vs 19748% below
- Medicare patients
- 74vs 9421% below
- Part D claims
- 46vs 15570% below
Medians across 148 infectious disease specialists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Johannsen'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. Eric Christian Johannsen treated 74 Medicare patients in 2024, average age 70
CMS counts 74 Medicare patients who saw Dr. Johannsen in 2024. The largest group is 75 to 84, with 27 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 30% are also on Medicaid. Their average risk score is 2.93, 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. Johannsen's median patient age at 63, with 59% women.
Medicare patients, 202474
Average age70
Average risk score2.93
Also on Medicaid30%
Dr. Johannsen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Johannsen's Medicare patients by sex, 2024
- Women3649%
- Men3851%
Chronic conditions among Dr. Johannsen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Mood disorders47%
- Anxiety45%
- Depression45%
- Chronic kidney disease42%
- Ischemic heart disease39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Johannsen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Eric Christian Johannsen wrote 117 Medicare Part D claims in 2024
In 2024, Dr. Johannsen wrote 117 Medicare Part D claims for 18 patients. 97% of them were for generic drugs. CMS names the drug for 46 of them, across 3 drugs with 11 or more claims each, at $1,654 in total drug cost. In 2022, CMS named 33 claims across 2 drugs.
Part D claims, 2024117
Drugs named by CMS3
Total drug cost$1,654
Part D patients18
Dr. Johannsen's Part D claims by kind of drug, 2024
- Generic113 claims97%
- Brand-name and other4 claims3%
Dr. Johannsen'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. Johannsen's Part D claims, 2024
- Antibiotics79%93 of 117 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, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 332024: 4639%
Drugs named by CMS: 3 in 2024, 2 in 2022.
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. Eric Christian Johannsen scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Johannsen for performance year 2024, reported as part of a group. Dr. Johannsen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Johannsen's MIPS scores, performance year 2024
- 83of 100Final score
- 87.8of 100Quality
- 77of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Eric Christian Johannsen has 44 publications on record
Dmand AI links 44 papers to Dr. Johannsen, published from 2010 to 2024. 2015 was the busiest year, with 5. The most frequent topics are Herpesvirus 4, Human, Viral Proteins and Epstein-Barr Virus Infections. Dr. Johannsen has published most often in PLoS Pathog. Dr. Johannsen's most frequent co-authors are Shannon C. Kenney, MD, Benjamin Elison Gewurz, MD and Sinisa Dovat, MD.
Papers44
Years published2010 to 2024
Dr. Johannsen's papers by year, 2015 to 2024
Topics Dr. Johannsen writes about most
- Herpesvirus 4, Human
- Viral Proteins
- Epstein-Barr Virus Infections
- Epstein-Barr Virus Nuclear Antigens
- Cell Line
- B-Lymphocytes
- Virus Latency
- Host-Pathogen Interactions
Dr. Johannsen's most frequent co-authors
- Shannon C. Kenney, MD20 shared papers
- Benjamin Elison Gewurz, MD2 shared papers
- Sinisa Dovat, MD1 shared paper
Recent publications by Dr. Johannsen
Antigens, CD1dCell Line, TumorEpstein-Barr Virus Infections
ApoptosisB-LymphocytesBurkitt Lymphoma
Proc Natl Acad Sci U S A
Cell DifferentiationCell ProliferationEpithelial Cells
DeoxyribonucleasesEpstein-Barr Virus InfectionsGammaherpesvirinae
See who Dr. Johannsen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Johannsen works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Eric Christian Johannsen graduated from Harvard Medical School
Dr. Johannsen graduated from Harvard Medical School in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Eric Christian Johannsen'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)Clinician Public Reporting: Overall MIPS Performance (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 |
| 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. Eric Christian Johannsen
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. Eric Christian Johannsen's NPI number?
Dr. Eric Christian Johannsen's NPI number is 1437115680. It was assigned on April 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Eric Christian Johannsen?
Dr. Eric Christian Johannsen is an infectious disease specialist in Madison, Wisconsin. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Eric Christian Johannsen practice?
Dr. Johannsen practices at 600 Highland Ave, Madison, WI 53792. Dr. Johannsen's primary practice is University Health Services - Madison (Highland Ave) in Madison, Wisconsin.
What is Dr. Eric Christian Johannsen's office phone number?
The practice phone on file for Dr. Johannsen is (608) 265-1978.
What is Dr. Eric Christian Johannsen's medical license number?
Dr. Johannsen holds Wisconsin license 56404.
Which hospitals is Dr. Eric Christian Johannsen affiliated with?
Dr. Johannsen is affiliated with University Hospital.
What medical group is Dr. Eric Christian Johannsen part of?
Dr. Johannsen is linked to UW Health.
Does Dr. Eric Christian Johannsen accept Medicare?
Yes. CMS data shows Dr. Johannsen billed Medicare for 103 services in 2024, and Dr. Johannsen accepts Medicare assignment.
What is Dr. Eric Christian Johannsen's MIPS score?
Dr. Johannsen's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
How many Medicare patients does Dr. Eric Christian Johannsen see?
CMS counts 74 Medicare patients who saw Dr. Johannsen in 2024, with an average age of 70.
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What services does Dr. Eric Christian Johannsen bill to Medicare?
In 2024, Dr. Johannsen's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and hospital inpatient care (99232).
Where did Dr. Eric Christian Johannsen go to medical school?
Dr. Johannsen graduated from Harvard Medical School in 1995.
What drugs does Dr. Eric Christian Johannsen prescribe most?
In 2024 Medicare Part D data, Dr. Johannsen's most prescribed drugs by claims were Daptomycin, Meropenem and Cefazolin Sodium.
How long has Dr. Eric Christian Johannsen been practicing?
Dr. Johannsen graduated from medical school in 1995, 31 years ago.
Does Dr. Eric Christian Johannsen do research?
Dmand AI links 44 publications to Dr. Johannsen, published from 2010 to 2024.
Who does Dr. Eric Christian Johannsen publish with?
Dr. Johannsen's most frequent co-authors are Shannon C. Kenney, MD (20 shared papers), Benjamin Elison Gewurz, MD (2 shared papers) and Sinisa Dovat, MD (1 shared paper).
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