Vasc Endovascular Surg
Amputation, SurgicalAngiographyBiopsy
Dr. Kaj Johansen, MD
NPI1366491045
- Medicare services, 2020
- 106
- Part D claims, 2019
- 57
- Publications
- 5
- Industry payments
- $162
- State license
- 1
- Practice address
- 600 Broadway Ste 112, Seattle, WA 98122-5381
- Practice phone
- Call (206) 420-3119
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Johansen'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. Kaj Johansen is a vascular surgeon in Seattle, Washington
Dr. Johansen practices in Seattle, Washington.
Dr. Johansen's NPI, 1366491045, was assigned on May 9, 2006. Dr. Johansen holds Washington license MD00016486.
NPI and contact details
- NPI
- 1366491045NPI Registry (opens in a new tab)
- NPI enumeration date
- May 9, 2006
- NPI status
- Active
- Practice phone
- (206) 420-3119
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Kaj Johansen's practice address is in Seattle, Washington
Dr. Johansen's practice address in the NPI Registry is 600 Broadway Ste 112, Seattle, WA 98122-5381. The practice phone is (206) 420-3119.
- NPI Registry address600 Broadway Ste 112, Seattle, WA 98122-5381Phone(206) 420-3119
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Kaj Johansen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johansen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Johansen's practice | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Johansen practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Kaj Johansen is one of 112 vascular surgeons in Washington
Vascular surgery is Dr. Johansen's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Johansen is licensed in Washington.
Specialties and state licenses
- Vascular surgery, WashingtonPrimary
Vascular surgeons near Dr. Johansen
Counts of vascular surgeons 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. Kaj Johansen billed Medicare for 106 services in 2020
CMS data shows 106 Medicare services from Dr. Johansen across 2 procedure codes in 2020, all of them office visits. Medicare paid $7,842 for them. Every service was in an office.
Medicare services, 2020106
Paid by Medicare$7,842
Procedure codes2
Dr. Johansen's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 2382020: 10655%
Dr. Johansen compared with the Washington median for vascular surgeons, 2020
- Dr. Johansen
- Washington median
- Medicare services
- 106vs 51079% below
- Part D claims
- 57vs 4333% above
Medians across 113 vascular surgeons in Washington with Dmand AI profiles that report each measure.
Dr. Johansen's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Johansen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johansen and other vascular surgeons in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kaj Johansen's patients have a median age of 52
Across all payers, Dmand AI patient panel data puts Dr. Johansen's median patient age at 52, with 100% women.
Dr. Johansen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Kaj Johansen wrote 57 Medicare Part D claims in 2019
In 2019, Dr. Johansen wrote 57 Medicare Part D claims. Every claim was for a generic drug. They cover 4 drugs, with $670 in total drug cost. In 2018, CMS named 57 claims across 4 drugs.
Part D claims, 201957
Drugs named by CMS4
Total drug cost$670
Dr. Johansen's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 572019: 57No change
Drugs named by CMS: 4 in 2019, 4 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
Find vascular surgeons like Dr. Johansen by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Kaj Johansen has 5 publications on record
Dmand AI links 5 papers to Dr. Johansen, published from 2012 to 2019. 2015 was the busiest year, with 2. Dr. Johansen's most frequent co-authors are Dean Michael Donahue, MD, Audra A. Duncan, MD and Julie A. Freischlag, MD.
Papers5
Years published2012 to 2019
Dr. Johansen's papers by year, 2012 to 2019
Dr. Johansen's most frequent co-authors
- Dean Michael Donahue, MD2 shared papers
- Audra A. Duncan, MD2 shared papers
- Julie A. Freischlag, MD2 shared papers
Recent publications by Dr. Johansen
Antihypertensive AgentsAortic Aneurysm, AbdominalAortic Aneurysm, Thoracic
J Trauma Acute Care Surg
Injury Severity ScoreLeg Injuries
See who Dr. Johansen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Johansen works with, so you can find a warm path to the right vascular surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Kaj Johansen received $162 in industry payments in 2017
CMS Open Payments shows 2 general payments to Dr. Johansen from 2 drug and device companies in 2017. Food and beverage make up the largest share, 100% of the total. W. L. Gore & Associates, Inc. paid the most, $147.
Companies that paid Dr. Johansen the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Kaj Johansen'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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 |
| 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. Kaj Johansen
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. Kaj Johansen's NPI number?
Dr. Kaj Johansen's NPI number is 1366491045. It was assigned on May 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Kaj Johansen?
Dr. Kaj Johansen is a vascular surgeon in Seattle, Washington. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Dr. Kaj Johansen practice?
Dr. Johansen practices at 600 Broadway Ste 112, Seattle, WA 98122-5381.
What is Dr. Kaj Johansen's office phone number?
The practice phone on file for Dr. Johansen is (206) 420-3119.
What is Dr. Kaj Johansen's medical license number?
Dr. Johansen holds Washington license MD00016486.
Does Dr. Kaj Johansen accept Medicare?
Yes. CMS data shows Dr. Johansen billed Medicare for 106 services in 2020.
What services does Dr. Kaj Johansen bill to Medicare?
In 2020, Dr. Johansen's most billed Medicare services were office visit, established patient (99213) and office visit, new patient (99204).
What drugs does Dr. Kaj Johansen prescribe most?
In 2019 Medicare Part D data, Dr. Johansen's most prescribed drugs by claims were Oxycodone HCl, Hydromorphone HCl and Cilostazol.
Has Dr. Kaj Johansen received payments from drug or device companies?
CMS Open Payments shows $162 in general payments to Dr. Johansen from 2 companies from 2017 to 2017. The largest total came from W. L. Gore & Associates, Inc.
How long has Dr. Kaj Johansen been practicing?
Dr. Johansen's NPI was assigned in 2006.
Does Dr. Kaj Johansen do research?
Dmand AI links 5 publications to Dr. Johansen, published from 2012 to 2019.
Who does Dr. Kaj Johansen publish with?
Dr. Johansen's most frequent co-authors are Dean Michael Donahue, MD (2 shared papers), Audra A. Duncan, MD (2 shared papers) and Julie A. Freischlag, MD (2 shared papers).
Selling to vascular surgery practices?
See vascular surgeons in Washington by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card