Karin A. Hagen, MD
Gastroenterology Physician · Saint Paul, MN
Karin A. Hagen, MD is a gastroenterology physician with a practice address in Saint Paul, Minnesota, and NPI 1326016924, issued on Mar 9, 2006. Check the license (Minnesota 43940, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Karin A. Hagen
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 43940 MN
Self-reported in NPPES; status is on the state search - Practice location
- 435 Phalen Blvd, Saint Paul, MN 55130
- Phone
- (651) 254-8680
- Enumerated
- Mar 9, 2006
- Record last updated
- Jun 11, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (651) 254-8656
- Medicare enrollment
- Enrolled (PECOS I20050912000245); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 457 in Minnesota → Look up another NPI →
Also registered at 435 Phalen Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aimee Abben, PA-CPhysician Assistant1881824258
- Ahmad Abdulkarim, MDGastroenterology Physician1578522991
- Alyssa Anderson, M.D.Gastroenterology Physician1750709986
- Sarah Anderson, MDOrthopaedic Surgery Physician1700935517
- Khalid Azzam, M.D.Orthopaedic Surgery Physician1811128416
- Kathleen Barrett, NPNurse Practitioner1386604684
Verify Karin A. Hagen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 43940Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average gastroenterology physician in 2024
563 Medicare Part D claims for 215 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Ondansetron Hcl73 claims
- Gavilyte-G70 claims
- Omeprazole38 claims
- Humira(Cf) Pen35 claims
- Sucralfate30 claims
- Colestipol Hcl29 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
- Group Health Plan IncSaint Paul, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karin A. Hagen among 457 gastroenterology physician records in Minnesota
Karin A. Hagen, MD is one of 457 gastroenterology physician records with a practice address in Minnesota. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 55% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1999 · median 2006 among the 334 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Minnesota
There are 457 gastroenterology physician records in Minnesota.
All 457 in Minnesota → Every provider in Saint Paul → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Ahmad Abdulkarim, MDSaint Paul, MN 551301578522991
- Alyssa Anderson, M.D.Saint Paul, MN 551301750709986
- Rebecca Li, MDSaint Paul, MN 551301790725729
- Charoen Mankongpaisarnrung, M.D.Saint Paul, MN 551301649567926
- Krista Newman, M.D.Saint Paul, MN 551301689053662
- Anupama Nookala, M.D.Saint Paul, MN 551301619251196
- Edward Schaefer, D.O.Saint Paul, MN 551301114369279
- Nabiha Shamsi, MDSaint Paul, MN 551301730422122
Common questions
What is Karin A. Hagen, MD's NPI number?
Karin A. Hagen, MD's National Provider Identifier (NPI) is 1326016924, issued on Mar 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karin A. Hagen, MD located?
The NPPES record lists a practice address at 435 Phalen Blvd, Saint Paul, MN, 55130. Phone: (651) 254-8680. Providers update this record themselves, so call before visiting.
How can I verify Karin A. Hagen, MD's license?
NPPES lists Minnesota license number 43940, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karin A. Hagen, MD prescribe under Medicare Part D?
In 2024, Karin A. Hagen, MD had 563 Medicare Part D claims for 215 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.