Doctor profile · Federal record
Dr. Douglas Aach, MD
Surgery Physician (CMS: General Surgery) · Shiloh, IL
- NPI 1508817040
- Accepts Medicare
- 40 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1414 Cross Street, Suite 330
Shiloh, IL 622692998
(618) 277-7400
fax (618) 277-7422
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- March 20, 2024
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 208600000X — NUCC code
- State license (1)
- Illinois #036082445
- Medicaid
- IL #036082445
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1508817040. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
292
Distinct HCPCS
6
Medicare allowed
$30,429
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 171 | 116 | $86 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 46 | 46 | $160 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 27 | 25 | $120 | |
19083 |
Biopsy of breast and placement of locating device using ultrasound, first growth | 18 | 18 | $150 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 15 | 15 | $108 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 15 | 15 | $54 |
In context: peer comparison
Among 5 peers in Shiloh Surgery Physician, average services per provider: 55. This provider delivers 5.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
40
Patients
38
Total drug cost
$144
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tramadol Hcl | Generic | 25 | 24 | $57 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 15 | 14 | $87 |
Frequently asked questions
What is Dr. Douglas Aach's medical specialty?
Dr. Douglas Aach practices Surgery Physician in Shiloh, IL.
Where does Dr. Douglas Aach practice?
Dr. Douglas Aach practices at 1414 Cross Street, Shiloh, IL 622692998. Office phone: 6182777400.
What is Dr. Douglas Aach's NPI?
Dr. Douglas Aach's National Provider Identifier (NPI) is 1508817040, issued by NPPES.
Does Dr. Douglas Aach accept Medicare assignment?
Yes. Dr. Douglas Aach accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglas Aach commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.