Matthew Cossack, M.D.
Ophthalmology · Saint Paul, MN
At a glance
401 Phalen Blvd, Saint Paul, MN 55130-5302
Published activity: Cataract surgery · Removal or shaving of skin growth. View counts and coverage
NPPES record updated Mar 13, 2023. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
401 Phalen BlvdSaint Paul, MN 55130-5302
Additional reported practice locations
400 E 3Rd StDuluth, MN 55805
Phone: 2187863937
Fax: 2187868166 1210 County Road E W
Arden Hills, MN 551123783
Phone: 6515238400
Education & affiliations
- Medical / professional school
- Creighton University School Of Medicine
- Graduation year
- 2014
- CMS specialties
- Ophthalmology
Practice groups
Reported hospital affiliations
- Amery Hospital & Clinic Amery, WI
- Regions Hospital Saint Paul, MN
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Cataract surgery | 104 |
| Removal or shaving of skin growth | 1-10 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Ophthalmology
- Taxonomy code
- 207W00000X
- Enumeration date
- Jun 27, 2014
- Record updated
- Mar 13, 2023
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207R00000X
License reported: 7191 NE
207W00000X
License reported: 2015017084 MO
207W00000X
License reported: 69145 WI
207W00000X · Primary
License reported: 63750 MN
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
401 Phalen BlvdSaint Paul, MN 55130-5302
- Phone
- (651) 254-7500
Mailing address
1702 UNIVERSITY DR SFARGO, ND 581034940
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
Report a directory issue