Doctor profile · Federal record
Dr. Anne Siwinski, APN
Gerontology Nurse Practitioner (CMS: Nurse Practitioner) · Oak Lawn, IL
- NPI 1669107744
- Accepts Medicare
- 5 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4400 W 95Th St Ste 308
Oak Lawn, IL 604532660
(708) 346-4040
fax (708) 346-3287
Credentials & registration
- NPI registered
- July 2022 — 4 yrs on file
- Profile last updated
- December 1, 2022
- Year of graduation
- 2021 — 5 yrs since
- Specialty taxonomy
- 363LG0600X — NUCC code
- State license (1)
- Illinois #209025906
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1669107744. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
105
Distinct HCPCS
3
Medicare allowed
$10,440
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 43 | 21 | $103 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 40 | 31 | $69 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 22 | 22 | $148 |
In context: peer comparison
Among 1 peers in Oak Lawn Gerontology Nurse Practitioner, average services per provider: 35. This provider delivers 3.0× the peer median.Open Payments
Industry payments received
All-time total
$1,214
Transactions
6
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Atricure, INC. | 6 | $1,214.43 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Anne Siwinski's medical specialty?
Dr. Anne Siwinski practices Gerontology Nurse Practitioner in Oak Lawn, IL.
Where does Dr. Anne Siwinski practice?
Dr. Anne Siwinski practices at 4400 W 95Th St Ste 308, Oak Lawn, IL 604532660. Office phone: 7083464040.
What is Dr. Anne Siwinski's NPI?
Dr. Anne Siwinski's National Provider Identifier (NPI) is 1669107744, issued by NPPES.
Does Dr. Anne Siwinski accept Medicare assignment?
Yes. Dr. Anne Siwinski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anne Siwinski commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.