Mark D. Topazian, M.D.
Gastroenterology Physician · Rochester, MN
Mark D. Topazian, M.D. is a gastroenterology physician with a practice address in Rochester, Minnesota, and NPI 1477532398, issued on Jan 10, 2006. Check the license (Minnesota 45883, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Mark D. Topazian
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 45883 MN
57391 WI
Self-reported in NPPES; status is on the state search - Practice location
- 200 1St St SW, Rochester, MN 55905
- Phone
- (507) 284-2511
- Enumerated
- Jan 10, 2006
- Record last updated
- May 15, 2024
- Medicare enrollment
- Enrolled (PECOS I20100224000986); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 457 in Minnesota → Look up another NPI →
Also registered at 200 1St St SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Francisco Abarca Rendon, MDIndependent Medical Examiner Physician1790096246
Verify Mark D. Topazian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 45883Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Mayo ClinicRochester, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark D. Topazian among 457 gastroenterology physician records in Minnesota
Mark D. Topazian, M.D. 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
- Graduated1985 · median 2006 among the 334 with a school on file
- Record last updated2024 · 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).
192 gastroenterology physician records list a practice address in Rochester
They are 192 of the 12,854 NPPES records with a practice address in Rochester, and 457 gastroenterology physician records in Minnesota.
All 457 in Minnesota → Every provider in Rochester → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Jeffrey Alexander, M.D.Rochester, MN 559051306822028
- Glenn Alexander, M.D.Rochester, MN 559051982680989
- Navtej Buttar, M.D.Rochester, MN 559051568449247
- Michael Camilleri, M.D.Rochester, MN 559051700862109
- Peter Carryer, M.D.Rochester, MN 559051780660779
- Jonathan Clain, M.D.Rochester, MN 559051841276862
- Gianrico Farrugia, MDRochester, MN 559051285610469
- Gregory Gores, M.D.Rochester, MN 559051336126861
Common questions
What is Mark D. Topazian, M.D.'s NPI number?
Mark D. Topazian, M.D.'s National Provider Identifier (NPI) is 1477532398, issued on Jan 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark D. Topazian, M.D. located?
The NPPES record lists a practice address at 200 1St St SW, Rochester, MN, 55905. Phone: (507) 284-2511. Providers update this record themselves, so call before visiting.
How can I verify Mark D. Topazian, M.D.'s license?
NPPES lists Minnesota license number 45883, 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.
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.