Doctor profile · Federal record
Dr. Ann-Marie Tantoco, MD
Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Pediatrics Physician · Chicago, IL
- NPI 1366686586
- Accepts Medicare
- MIPS 91.3 / 100 · 2023
- 17 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
251 E Huron St
Chicago, IL 60611
(312) 926-5924 - Additional location
-
225 E Chicago Ave
Chicago, IL 606112991
(312) 227-7413 - Mailing address
-
251 E Huron St Ste 16-738
Chicago, IL 606112908
Credentials & registration
- NPI registered
- May 2009 — 17 yrs on file
- Profile last updated
- November 3, 2021
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- Illinois #036.146534
- Medicaid
- OH #0086290
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1366686586. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
200
Distinct HCPCS
5
Medicare allowed
$20,014
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 116 | 37 | $85 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 36 | 15 | $127 | |
99239 |
Hospital discharge day management, more than 30 minutes | 25 | 23 | $122 | |
99238 |
Hospital discharge day management, 30 minutes or less | 12 | 12 | $86 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 11 | 11 | $140 |
In context: peer comparison
Among 154 peers in this city , average services per provider: 128. This provider delivers 1.6× the peer median.Frequently asked questions
What is Dr. Ann-Marie Tantoco's medical specialty?
Dr. Ann-Marie Tantoco practices Hospitalist Physician in Chicago, IL.
Where does Dr. Ann-Marie Tantoco practice?
Dr. Ann-Marie Tantoco practices at 251 E Huron St, Chicago, IL 60611. Office phone: 3129265924.
What is Dr. Ann-Marie Tantoco's NPI?
Dr. Ann-Marie Tantoco's National Provider Identifier (NPI) is 1366686586, issued by NPPES.
Does Dr. Ann-Marie Tantoco accept Medicare assignment?
Yes. Dr. Ann-Marie Tantoco accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ann-Marie Tantoco 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.