Doctor profile · Federal record
Dr. Santiago Hernandez, MD
Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Madison, WI
- NPI 1801834007
- Accepts Medicare
- 28 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
700 S Park St, St Marys Hospital Dean Medical Center
Madison, WI 537151849
(608) 251-6100
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- November 23, 2020
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- Wisconsin #43740-020
- Medicaid
- WI #1801834007
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1801834007. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
995
Distinct HCPCS
4
Medicare allowed
$90,224
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 602 | 189 | $75 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 224 | 84 | $114 | |
99239 |
Hospital discharge day management, more than 30 minutes | 149 | 145 | $108 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 20 | 20 | $165 |
In context: peer comparison
Among 67 peers in Madison Hospitalist Physician, average services per provider: 90. This provider delivers 11× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
132
Patients
120
Total drug cost
$13,841
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 18 | 15 | $135 |
| Amlodipine Besylate | Generic | 17 | 12 | $131 |
| Atorvastatin Calcium | Generic | 16 | 16 | $127 |
| Furosemide | Generic | 16 | 14 | $79 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 15 | 15 | $209 |
| Eliquis (Apixaban) | Brand | 13 | 11 | $12,719 |
| Potassium Chloride | Generic | 13 | 13 | $152 |
| Cefprozil | Generic | 12 | 12 | $166 |
| Pantoprazole Sodium | Generic | 12 | 12 | $124 |
Frequently asked questions
What is Dr. Santiago Hernandez's medical specialty?
Dr. Santiago Hernandez practices Hospitalist Physician in Madison, WI.
Where does Dr. Santiago Hernandez practice?
Dr. Santiago Hernandez practices at 700 S Park St, Madison, WI 537151849. Office phone: 6082516100.
What is Dr. Santiago Hernandez's NPI?
Dr. Santiago Hernandez's National Provider Identifier (NPI) is 1801834007, issued by NPPES.
Does Dr. Santiago Hernandez accept Medicare assignment?
Yes. Dr. Santiago Hernandez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Santiago Hernandez commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.