NPPES file of Aug 9, 2026

Mary J. Chiasson, D.O.

Neurology Physician · Bloomington, MN

Mary J. Chiasson, D.O. is a neurology physician with a practice address in Bloomington, Minnesota, and NPI 1235133265, issued on Jun 8, 2005. Check the license (Minnesota 40247, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235133265
Name
Mary J. Chiasson
Credential
D.O.
Primary taxonomy
Neurology Physician 2084N0400X
License number
40247 MN
Self-reported in NPPES; status is on the state search
Practice location
3601 Minnesota Dr Ste 200, Bloomington, MN 55435
Phone
(612) 879-1000
Enumerated
Jun 8, 2005
Record last updated
Aug 26, 2024
Fax
(612) 879-9116
Medicaid ID
446025100 MN
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 3601 Minnesota Dr Ste 200

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

  1. Amy Catalfamo, MDNeurology with Special Qualifications in Child Neurology Physician1396044806
  2. Roshni Cherucheril, PA-CPhysician Assistant1962942342
  3. Susanne Cohen, PH.D.Clinical Neuropsychologist1548303316
  4. Jesse Corry, MDNeurology Physician1215964499
  5. John Damergis, M.D.Sleep Medicine (Psychiatry & Neurology) Physician1205004249
  6. Thanh Dang, MDNeurology Physician1164403994

Verify Mary J. Chiasson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical Practice
    Search for license 40247
    Check 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

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67% more Medicare Part D claims than the average neurology physician in 2024

2,286 Medicare Part D claims for 269 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.

  1. Mary Chiasson2,286
  2. Specialty average1,370

Most prescribed

  1. Sumatriptan Succinate258 claims
  2. Gabapentin142 claims
  3. Rizatriptan117 claims
  4. Emgality Pen96 claims
  5. Tizanidine Hcl89 claims
  6. Nurtec Odt85 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.

Neurology Physician providers in Minnesota

There are 609 neurology physician records in Minnesota.

Other neurology physician records in Minnesota

  1. Aisha AbdulrazaqRochester, MN1891281846
  2. Ingrid Abols-Mantyh, M.D.Burnsville, MN1487607495
  3. Albert Aboseif, DORochester, MN1649732462
  4. Jane Achenbach, MDCambridge, MN1275594004
  5. George Adam, M.D.Saint Louis Park, MN1386718765
  6. Andrea Adams, M.D.Rochester, MN1629053772
  7. Heba Afeefy, MD, PHDSaint Cloud, MN1295017044
  8. Harsh Aggarwal, M.D.Maplewood, MN1427210673
  9. Rajiv Aggarwal, M.B., B.S.Burnsville, MN1942247986
  10. John AhlskogRochester, MN1386629335

Common questions

What is Mary J. Chiasson, D.O.'s NPI number?

Mary J. Chiasson, D.O.'s National Provider Identifier (NPI) is 1235133265, issued on Jun 8, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mary J. Chiasson, D.O. located?

The NPPES record lists a practice address at 3601 Minnesota Dr Ste 200, Bloomington, MN, 55435. Phone: (612) 879-1000. Providers update this record themselves, so call before visiting.

How can I verify Mary J. Chiasson, D.O.'s license?

NPPES lists Minnesota license number 40247, 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 Mary J. Chiasson, D.O. prescribe under Medicare Part D?

In 2024, Mary J. Chiasson, D.O. had 2,286 Medicare Part D claims for 269 beneficiaries; the average among neurology physician prescribers was 1,370. 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.