Doctor profile · Federal record
Dr. Sean Marks, MD
Hospice and Palliative Medicine (Internal Medicine) Physician (CMS: Hospice/Palliative Care) · Milwaukee, WI
- NPI 1548480254
- Accepts Medicare
- MIPS 80.5 / 100 · 2023
- 22 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
9200 W Wisconsin Ave
Milwaukee, WI 532263522
(414) 805-4607
fax (414) 805-4608
Credentials & registration
- NPI registered
- April 2007 — 19 yrs on file
- Profile last updated
- May 2, 2019
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207RH0002X — NUCC code
- State license (1)
- Wisconsin #50791
- Medicaid
- WI #1548480254
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1548480254. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
60
Distinct HCPCS
3
Medicare allowed
$5,994
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 30 | 20 | $75 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 17 | 13 | $135 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 13 | 11 | $112 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 30. This provider delivers 2.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
83
Patients
0
Total drug cost
$4,712
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Fentanyl | Generic | 31 | 0 | $2,219 |
| Oxycodone Hcl | Generic | 28 | 0 | $1,730 |
| Hydromorphone Hcl | Generic | 13 | 0 | $432 |
| Methadone Hcl | Generic | 11 | 0 | $330 |
Frequently asked questions
What is Dr. Sean Marks's medical specialty?
Dr. Sean Marks practices Hospice and Palliative Medicine (Internal Medicine) Physician in Milwaukee, WI.
Where does Dr. Sean Marks practice?
Dr. Sean Marks practices at 9200 W Wisconsin Ave, Milwaukee, WI 532263522. Office phone: 4148054607.
What is Dr. Sean Marks's NPI?
Dr. Sean Marks's National Provider Identifier (NPI) is 1548480254, issued by NPPES.
Does Dr. Sean Marks accept Medicare assignment?
Yes. Dr. Sean Marks accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sean Marks commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.