Brian Mark Byer
Anesthesiology Physician · Duluth, MN
Brian Mark Byer is an anesthesiology physician with a practice address in Duluth, Minnesota, and NPI 1619030277, issued on Dec 18, 2006. Check the license (Minnesota 48112, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Brian Mark Byer
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 48112 MN
Self-reported in NPPES; status is on the state search - Practice location
- 400 E 3RD St, Duluth, MN 55805
- Phone
- (218) 786-4150
- Enumerated
- Dec 18, 2006
- Record last updated
- Jun 24, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid ID
- 247767000 MN
- Medicare enrollment
- Enrolled (PECOS I20080226000245); accepts Medicare assignment
- Medical or professional school
- Des Moines University Of Osteopathic Medicine And Health Sciences, 2001
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,042 in Minnesota → Look up another NPI →
Also registered at 400 E 3RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Brian Mark Byer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 48112Check 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
- The Duluth Clinic LtdSuperior, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian Mark Byer among 1,042 anesthesiology physician records in Minnesota
Brian Mark Byer is one of 1,042 anesthesiology physician records with a practice address in Minnesota. 71% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2001 · median 2009 among the 717 with a school on file
- Record last updated2011 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
49 anesthesiology physician records list a practice address in Duluth
They are 49 of the 4,084 NPPES records with a practice address in Duluth, and 1,042 anesthesiology physician records in Minnesota.
All 1,042 in Minnesota → Every provider in Duluth → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Norman Boucher, MDDuluth, MN 558051114976552
- Randy Braaten, M.D.Duluth, MN 558051124083233
- Stacy Coffin, MDDuluth, MN 558051194775627
- Kenneth Farrell, M.D.Duluth, MN 558051477544005
- John Gray, MDDuluth, MN 558051902857493
- Paul Gregg, MDDuluth, MN 558051568413672
- James Gregory, MDDuluth, MN 558051811999733
- Mark Grim, M.D.Duluth, MN 558051609843911
Common questions
What is Brian Mark Byer's NPI number?
Brian Mark Byer's National Provider Identifier (NPI) is 1619030277, issued on Dec 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Brian Mark Byer located?
The NPPES record lists a practice address at 400 E 3RD St, Duluth, MN, 55805. Phone: (218) 786-4150. Providers update this record themselves, so call before visiting.
How can I verify Brian Mark Byer's license?
NPPES lists Minnesota license number 48112, 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.