Sera Lu Madsen, ARNP
- Hospital affiliations
- 1
- Industry payments
- $26
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2022
- Practice address
- 1737 Airport S Way, Seattle, WA 98134
- Practice phone
- Call (206) 623-8100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Quest Diagnostics Clinical Laboratories Inc
Seattle, Washington
Find Sera Madsen'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.
Sera Lu Madsen is a nurse practitioner in Seattle, Washington
Sera Madsen practices at Quest Diagnostics Clinical Laboratories Inc in Seattle, Washington.
Sera Madsen's NPI, 1295456838, was assigned on September 12, 2022. Sera Madsen graduated from University of Washington School of Medicine in 2025. Sera Madsen holds Washington license 70006026.
- NPI
- 1295456838NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002314598
- NPI enumeration date
- September 12, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (206) 623-8100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 27
- Medical school graduation
- 2025
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Sera Lu Madsen practices at Quest Diagnostics Clinical Laboratories Inc in Seattle, Washington
Sera Madsen's primary practice is Quest Diagnostics Clinical Laboratories Inc, at 1737 Airport S Way, Seattle, WA 98134 in King County. The practice phone is (206) 623-8100.
- Quest Diagnostics Clinical Laboratories Inc1737 Airport S Way, Seattle, WA 98134 · King CountyPhone(206) 623-8100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Sera Lu Madsen is affiliated with 4 sites of care and 2 medical groups
Sera Madsen's primary practice is Quest Diagnostics Clinical Laboratories Inc in Seattle, Washington. Sera Madsen is also affiliated with Providence Regional Medical Center Everett. The medical group on file is Snohomish Kidney Institute. Dmand AI also links Sera Madsen to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Sera Lu Madsen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Sera Madsen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Quest Diagnostics Clinical Laboratories Inc | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Sera Lu Madsen is one of 1,633 nurse practitioners in Washington
Nurse practitioner is Sera Madsen's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Sera Madsen is licensed in Washington.
Specialties and state licenses
- Nurse practitioner, WashingtonPrimary
Nurse practitioners near Sera Madsen
Counts of nurse practitioners 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
Sera Lu Madsen's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Sera Madsen's median patient age at 70, with 40% women.
Sera Madsen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women40%
- Men58%
Source: Dmand AI Patient Panel Data
How Sera Lu Madsen takes part in Medicare
Sera Madsen 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)
Sera Lu Madsen received $26 in industry payments in 2025
CMS Open Payments shows 1 general payment to Sera Madsen from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $26.
Companies that paid Sera Madsen the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sera Lu Madsen graduated from University of Washington School of Medicine
Sera Madsen graduated from University of Washington School of Medicine in 2025.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Sera Lu Madsen'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 Sera Lu Madsen
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What is Sera Lu Madsen's NPI number?
Sera Lu Madsen's NPI number is 1295456838. It was assigned on September 12, 2022, and it is active in the NPI Registry.
What does Sera Lu Madsen specialize in?
Sera Lu Madsen is a nurse practitioner in Seattle, Washington. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Sera Lu Madsen practice?
Sera Madsen practices at 1737 Airport S Way, Seattle, WA 98134. Sera Madsen's primary practice is Quest Diagnostics Clinical Laboratories Inc in Seattle, Washington. Dmand AI also links Sera Madsen to 2 group practices and clinics and 1 medical group.
What is Sera Lu Madsen's office phone number?
The practice phone on file for Sera Madsen is (206) 623-8100.
What is Sera Lu Madsen's medical license number?
Sera Madsen holds Washington license 70006026.
Which hospitals is Sera Lu Madsen affiliated with?
Sera Madsen is affiliated with Providence Regional Medical Center Everett.
What medical group is Sera Lu Madsen part of?
Sera Madsen is linked to Snohomish Kidney Institute. Dmand AI links Sera Madsen to 1 more medical group.
Does Sera Lu Madsen accept Medicare?
Yes. CMS lists Sera Madsen as accepting Medicare assignment.
Where did Sera Lu Madsen go to medical school?
Sera Madsen graduated from University of Washington School of Medicine in 2025.
Has Sera Lu Madsen received payments from drug or device companies?
CMS Open Payments shows $26 in general payments to Sera Madsen from 1 company from 2025 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Sera Lu Madsen been practicing?
Sera Madsen graduated from medical school in 2025, 1 years ago.
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