Doctor profile · Federal record
Dr. Ann Hackfort, DO
Internal Medicine Physician (CMS: Hospitalist) · Hospitalist Physician · Oswego, IL
- NPI 1538470398
- Accepts Medicare
- 16 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
80 Templeton Dr
Oswego, IL 605437000
(630) 554-3456 - Additional location
-
1508 Aurora Ave
Naperville, IL 605406210
(630) 585-7100 - Mailing address
-
28594 Network Pl
Chicago, IL 606731285
Credentials & registration
- NPI registered
- June 2010 — 16 yrs on file
- Profile last updated
- May 13, 2024
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Illinois #036-133744
- Medicaid
- IL #036133744
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538470398. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
709
Distinct HCPCS
4
Medicare allowed
$94,772
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 442 | 147 | $122 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 131 | 122 | $178 | |
99239 |
Hospital discharge day management, more than 30 minutes | 120 | 114 | $118 | |
99236 |
Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes | 16 | 16 | $215 |
In context: peer comparison
Among 4 peers in Oswego Internal Medicine Physician, average services per provider: 220. This provider delivers 3.2× the peer median.Open Payments
Industry payments received
All-time total
$77
Transactions
3
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 1 | $32.86 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 1 | $22.63 | |
| Pfizer INC. | 1 | $21.41 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
42
Patients
41
Total drug cost
$152
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 17 | 17 | $59 |
| Furosemide | Generic | 13 | 12 | $34 |
| Levofloxacin | Generic | 12 | 12 | $59 |
Frequently asked questions
What is Dr. Ann Hackfort's medical specialty?
Dr. Ann Hackfort practices Internal Medicine Physician in Oswego, IL.
Where does Dr. Ann Hackfort practice?
Dr. Ann Hackfort practices at 80 Templeton Dr, Oswego, IL 605437000. Office phone: 6305543456.
What is Dr. Ann Hackfort's NPI?
Dr. Ann Hackfort's National Provider Identifier (NPI) is 1538470398, issued by NPPES.
Does Dr. Ann Hackfort accept Medicare assignment?
Yes. Dr. Ann Hackfort accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ann Hackfort commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.