Provider Profile
Marylou Hagen, PA is a physician assistant based in Madison, WI. Marylou is also listed as specializing in physician assistant — surgical. According to Medicare claims data, Marylou cared for 34 Medicare patients across 45 services. The services billed most often include established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more. The provider's National Provider Identifier (NPI) is 1528029436.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
600 HIGHLAND AVE
Madison, WI 53792
45 services · 34 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
45 | More often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Marylou Hagen is a physician assistant in Madison, WI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Marylou Hagen is listed at 600 Highland Ave, Madison, WI 53792. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (608) 265-9939. Contact the office directly to confirm availability and scheduling.
NPI registry
Marylou Hagen's National Provider Identifier is 1528029436. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Marylou Hagen attended Other, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
Marylou Hagen has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Marylou Hagen the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Marylou Hagen. If this is you, claiming it is free.
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