MARY J. CHIASSON (D.O.) – Neurology Physician, NPI 1235133265
Neurology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for MARY J. CHIASSON (D.O.)
3601 MINNESOTA DR STE 200
BLOOMINGTON, MN 554355202
Phone: (612) 879-1000
Fax: (612) 879-9116
Type: Mailing
2828, Chicago Avenue South, Midtown Phillips, Phillips, Minneapolis, Hennepin County, Minnesota, 55407, United States
SUITE 200
MINNEAPOLIS, MN 554071320
Phone: (612) 879-1000
Fax: (612) 879-9116
Type: Mailing
Chicago Avenue South, Minneapolis, Hennepin County, Minnesota, 55415, United States
SUITE 200
MINNEAPOLIS, MN 554071320
Phone: (612) 879-1000
Fax: (612) 879-9116
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2010-08-28
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20100828000140 | I | Neurology | MN | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| J0585 | Injection, onabotulinumtoxina, 1 unit | 6,210 | 12 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 150 | 120 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 76 | 76 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 61 | 52 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 54 | 54 | $0 |
Insurance plans in this area (ZIP 55435)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MN | |
| N E U R O L O G Y | MN | |
| - | MN | |
| N E U R O L O G Y | MN | |
| N E U R O L O G Y | MN | |
| Neurology, Neuropsychiatry, Pain Management, Interventional Pain Management | MN | |
| N E U R O L O G Y | MN | |
| Sleep Medicine, Neurology | MN | |
| - | MN | |
| N E U R O L O G Y | MN |
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