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Edit this profileAt a glance
- 9200 W Wisconsin Ave, Milwaukee, WI 53226
About Marissa Block
Listed in the NPI registry as a physician assistant, Marissa Block, PA-C practices in Milwaukee, WI. Marissa graduated from University of Wisconsin School of Medicine in 2024. According to Medicare claims data, Marissa cared for 42 Medicare patients across 43 services. The services billed most often include initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes. NPI 1477286896 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (414) 955-0350
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
9200 W WISCONSIN AVE
Milwaukee, WI 53226
Procedures Most Often Billed to Medicare
43 services · 42 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
43 | 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.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 21 related providers in 3 groups
Other physician assistants in Milwaukee 5
Same specialty, same city.
Trained at University of Wisconsin School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2024 at University of Wisconsin School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Marissa Block specialize in?
Marissa Block is a physician assistant in Milwaukee, WI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Marissa Block located?
Marissa Block is listed at 9200 W Wisconsin Ave, Milwaukee, WI 53226. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Marissa Block's phone number?
The number on file is (414) 955-0350. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Marissa Block's NPI number?
Marissa Block's National Provider Identifier is 1477286896. 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
Where did Marissa Block train?
Marissa Block attended University of Wisconsin School of Medicine, graduating in 2024. This comes from the CMS National Downloadable File.
CMS public data
How long has Marissa Block been practicing?
Marissa Block has 2 years experience. Calculated from a graduation year of 2024, reported in the CMS National Downloadable File.
CMS public data
What does Marissa Block do most often?
According to Medicare billing data, Marissa Block 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
Has Marissa Block confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Marissa Block. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.