Based in Milwaukee, WI, Sean Michael Marks, MD is listed in the NPI registry under hospice/palliative care. Sean graduated from Medical College of Wisconsin in 2004. Sean is also listed as specialising in hospice & palliative medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. Marks is a hospice/palliative care in Milwaukee, WI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “HOSPICE/PALLIATIVE CARE”.
NPI registry
Dr. Marks 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
The number on file is (414) 805-4607. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Marks's National Provider Identifier is 1548480254. 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
Dr. Marks attended Medical College of Wisconsin, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
Dr. Marks has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Marks 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 Dr. Marks. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
9200 W WISCONSIN AVE
Milwaukee, WI 53226
12 services · 12 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
12 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileConnections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Same specialty, same city.
Other providers in the same specialty who trained at the same institution.
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.