Doctor profile · Federal record
Dr. Michael Fremgen
Surgery Physician (CMS: General Surgery) · Elgin, IL
- NPI 1447591540
- Accepts Medicare
- 13 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
745 Fletcher Dr Ste 302
Elgin, IL 601234750
(847) 695-6600 - Mailing address
-
29373 Network Pl
Chicago, IL 606737884
Credentials & registration
- NPI registered
- March 2013 — 13 yrs on file
- Profile last updated
- December 22, 2022
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 208600000X — NUCC code
- State license (1)
- Illinois #036.147286
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1447591540. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
119
Distinct HCPCS
5
Medicare allowed
$13,323
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 41 | 40 | $132 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 35 | 22 | $76 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 18 | 13 | $117 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 13 | 13 | $163 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 12 | 12 | $87 |
In context: peer comparison
Among 2 peers in Elgin Surgery Physician, average services per provider: 46. This provider delivers 2.6× the peer median.Open Payments
Industry payments received
All-time total
$24
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Hologic Sales and Service, LLC | 1 | $24.04 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
33
Patients
32
Total drug cost
$185
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 19 | 18 | $102 |
| Ibuprofen | Generic | 14 | 14 | $83 |
Frequently asked questions
What is Dr. Michael Fremgen's medical specialty?
Dr. Michael Fremgen practices Surgery Physician in Elgin, IL.
Where does Dr. Michael Fremgen practice?
Dr. Michael Fremgen practices at 745 Fletcher Dr Ste 302, Elgin, IL 601234750. Office phone: 8476956600.
What is Dr. Michael Fremgen's NPI?
Dr. Michael Fremgen's National Provider Identifier (NPI) is 1447591540, issued by NPPES.
Does Dr. Michael Fremgen accept Medicare assignment?
Yes. Dr. Michael Fremgen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Fremgen commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.