Julia L. Thorsen, M.D.
Allergy & Immunology Physician · Madison, WI
Julia L. Thorsen, M.D. is an allergy & immunology physician with a practice address in Madison, Wisconsin, and NPI 1023402153, issued on Mar 26, 2015. Check the license (Wisconsin 68894-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Julia L. Thorsen
- Credential
- M.D.
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- 68894-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 752 N High Point RD, Madison, WI 53717
- Phone
- (608) 824-4000
- Enumerated
- Mar 26, 2015
- Record last updated
- Dec 29, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (608) 824-4956
- Medicaid ID
- 1023402153 WI
- Medicare enrollment
- Enrolled (PECOS I20200930002222); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 63 in Wisconsin → Look up another NPI →
Also registered at 752 N High Point RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carleen Acker, PA-CPhysician Assistant1447514773
- Justin Amarnani, M.DFamily Medicine Physician1164866059
- Clifford Anderson, MDInternal Medicine Physician1487691788
- Sara Anderson-Kim, APNPNurse Practitioner1902057052
- Conrad Andringa, MDPediatrics Physician1528002581
- Timothy Baardseth, PH.D.Psychologist1104169218
Verify Julia L. Thorsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 68894-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% more Medicare Part D claims than the average allergy & immunology physician in 2024
766 Medicare Part D claims for 149 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.
Most prescribed
- Fluticasone Propionate74 claims
- Azelastine Hcl71 claims
- Ipratropium Bromide62 claims
- Breo Ellipta58 claims
- Montelukast Sodium53 claims
- Albuterol Sulfate Hfa45 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Dean Health Systems IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Julia L. Thorsen among 63 allergy & immunology physician records in Wisconsin
Julia L. Thorsen, M.D. is one of 63 allergy & immunology physician records with a practice address in Wisconsin. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 83% of them.
- NPI issued2015 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2011 · median 2003 among the 33 with a school on file
- Record last updated2020 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Wisconsin
There are 63 allergy & immunology physician records in Wisconsin.
All 63 in Wisconsin → Every provider in Madison → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Jon Kooistra, MDMadison, WI 537171649229345
- Allan Luskin, MDMadison, WI 537171902855174
- Christine Virnig, M.D.Madison, WI 537171619913829
- Jeremy Bufford, M.D.Monona, WI 537161487603247
- Yingyu Gao, MDMadison, WI 537161003435058
- John Kelly, MDMadison, WI 537161104874361
- Caitlan Murphy, M.D.Madison, WI 537161578052601
- Ashleigh Olson, M.D.Madison, WI 537161699064238
Common questions
What is Julia L. Thorsen, M.D.'s NPI number?
Julia L. Thorsen, M.D.'s National Provider Identifier (NPI) is 1023402153, issued on Mar 26, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Julia L. Thorsen, M.D. located?
The NPPES record lists a practice address at 752 N High Point RD, Madison, WI, 53717. Phone: (608) 824-4000. Providers update this record themselves, so call before visiting.
How can I verify Julia L. Thorsen, M.D.'s license?
NPPES lists Wisconsin license number 68894-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Julia L. Thorsen, M.D. prescribe under Medicare Part D?
In 2024, Julia L. Thorsen, M.D. had 766 Medicare Part D claims for 149 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.