Doctor profile · Federal record
Dr. John Heyer, DO
Family Medicine Physician · Family Medicine Physician · Willowbrook, IL
- NPI 1750310363
- 20 yrs on file
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
40 75Th St
Willowbrook, IL 605272325
(630) 581-5372 - Additional location
-
4665 S State Road 5
South Whitley, IN 467879101
(260) 248-9980
fax (260) 248-9981
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- August 5, 2021
- Specialty taxonomy
- 207Q00000X — NUCC code
- State licenses (2)
- Illinois #036057121 · Indiana #02002781A
- Medicaid
- IN #100368540
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1750310363. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
312
Distinct HCPCS
8
Medicare allowed
$24,184
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 71 | 63 | $94 | |
87804 |
Detection test by immunoassay with direct visual observation for influenza virus | 50 | 25 | $16 | |
87811 |
Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) | 46 | 46 | $41 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 46 | 44 | $133 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 37 | 37 | $118 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 23 | 23 | $173 | |
87880 |
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | 21 | 21 | $16 | |
81002 |
Urinalysis, manual test | 18 | 17 | $3 |
In context: peer comparison
Among 2 peers in Willowbrook Family Medicine Physician, average services per provider: 45. This provider delivers 6.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
165
Patients
143
Total drug cost
$1,568
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 34 | 32 | $86 |
| Methylprednisolone | Generic | 33 | 33 | $422 |
| Azithromycin | Generic | 25 | 25 | $203 |
| Cephalexin | Generic | 20 | 18 | $321 |
| Losartan Potassium | Generic | 16 | 0 | $169 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 15 | 13 | $227 |
| Amoxicillin | Generic | 11 | 11 | $60 |
| Diclofenac Sodium | Generic | 11 | 11 | $80 |
Frequently asked questions
What is Dr. John Heyer's medical specialty?
Dr. John Heyer practices Family Medicine Physician in Willowbrook, IL.
Where does Dr. John Heyer practice?
Dr. John Heyer practices at 40 75Th St, Willowbrook, IL 605272325. Office phone: 6305815372.
What is Dr. John Heyer's NPI?
Dr. John Heyer's National Provider Identifier (NPI) is 1750310363, issued by NPPES.
What procedures does Dr. John Heyer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Detection test by immunoassay with direct visual observation for influenza virus (HCPCS 87804); Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) (HCPCS 87811). Source: CMS Medicare Physician & Other Practitioners file.