Registry data as of Aug 27, 2026

Brian Flagstad, MD

Internal Medicine Physician · Saint Paul, MN

Brian Flagstad, MD is an internal medicine physician with a practice address in Saint Paul, Minnesota, and NPI 1629040993, issued on Feb 2, 2006. Check the license on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1629040993
Name
Brian Flagstad
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
451 Dunlap St N, Saint Paul, MN 55104
Phone
(651) 647-2200
Enumerated
Feb 2, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 451 Dunlap St N

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mohamud Afgarshe, MDInternal Medicine Physician1649246513
  2. Maher Alainawi, M.DPediatrics Physician1275067308
  3. Kathleen Gang, MDFamily Medicine Physician1629086137
  4. Matthew Glasow, PHARMDAmbulatory Care Pharmacist1902451826
  5. Dorothy Hyde, PNPNurse Practitioner1063484160
  6. Sadia Jama, MDInternal Medicine Physician1275742199

Verify Brian Flagstad in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical PracticeCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Minnesota license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

82% fewer Medicare Part D claims than the average internal medicine physician in 2024

506 Medicare Part D claims for 102 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 11 claims were for opioids.

  1. Brian Flagstad506
  2. Specialty average2,785

Most prescribed

  1. Omeprazole26 claims
  2. Metoprolol Succinate23 claims
  3. Azithromycin22 claims
  4. Tamsulosin Hcl19 claims
  5. Famotidine18 claims
  6. Duloxetine Hcl17 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.

Industry payments in 2024: $20.00

1 payment, mostly food and beverage; the largest payer was Novo Nordisk Inc. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Brian Flagstad$20.00
  2. Specialty average$2,536.66

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 hospital and facility affiliations

  1. Group Health Plan IncSaint Paul, MN
  2. Westfields Hospital IncNew Richmond, WI

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

281 internal medicine physician records list a Saint Paul practice address

They are 281 of the 10,084 NPPES records with a Saint Paul practice address, and 3,440 internal medicine physician records in Minnesota.

Other internal medicine physician records in Minnesota

  1. Christopher Aakre, MDRochester, MN1508151663
  2. Karen Aarestad, MDBrainerd, MN1275510216
  3. Peter Aas, MDDuluth, MN1063455848
  4. Saud Abaalkhail, M.B.,B.S.Minneapolis, MN1982180733
  5. Mohamad Abbas, M.D.Saint Paul, MN1154404549
  6. Akshar Abbott, M.D.Minneapolis, MN1730459231
  7. Nadhem Abdallah, MDMinneapolis, MN1396423810
  8. Raed Abdelhadi, MDMinneapolis, MN1518057413
  9. Sarah Abdul Jabbar, MBBSSt Cloud, MN1932489002
  10. Ahmad Abdulkarim, MDSaint Paul, MN1578522991

Common questions

What is Brian Flagstad, MD's NPI number?

Brian Flagstad, MD's National Provider Identifier (NPI) is 1629040993, issued on Feb 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Brian Flagstad, MD located?

The NPPES record lists a practice address at 451 Dunlap St N, Saint Paul, MN, 55104. Phone: (651) 647-2200. Providers update this record themselves, so call before visiting.

How can I verify Brian Flagstad, MD's license?

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 Brian Flagstad, MD prescribe under Medicare Part D?

In 2024, Brian Flagstad, MD had 506 Medicare Part D claims for 102 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.