Doctor profile · Federal record
Dr. John Karl, FNP-C
Nurse Practitioner · Registered Nurse First Assistant · Registered Nurse First Assistant · Nurse Practitioner · Nurse Practitioner · Nurse Practitioner · Family Nurse Practitioner · Olympia Fields, IL
- NPI 1487701728
- Accepts Medicare
- 8 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
3700 W 203Rd St Ste 302
Olympia Fields, IL 604611182
(708) 679-2518
fax (708) 679-2519 - Additional location
-
24 Joliet St Ste 302
Dyer, IN 463111705
(219) 852-2518
fax (219) 864-2156 - Mailing address
-
Po Box 1000
Dyer, IN 463110800
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- October 5, 2023
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 363L00000X — NUCC code
- State licenses (6)
- Illinois #209019289 · Illinois #041-258664 · Indiana #71009040A · Indiana #28163347A · Illinois #041258664 · Illinois #209.019289
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1487701728. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$147
Transactions
4
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 1 | $85.46 | |
| Sumitomo Pharma America, Inc. | 1 | $28.16 | |
| Boston Scientific Corporation | 1 | $18.78 | |
| Novo Nordisk Inc | 1 | $14.11 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
73
Patients
62
Total drug cost
$1,330
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 34 | 30 | $1,053 |
| Ondansetron Odt (Ondansetron) | Brand | 27 | 20 | $244 |
| Gabapentin | Generic | 12 | 12 | $33 |
Frequently asked questions
What is Dr. John Karl's medical specialty?
Dr. John Karl practices Nurse Practitioner in Olympia Fields, IL.
Where does Dr. John Karl practice?
Dr. John Karl practices at 3700 W 203Rd St Ste 302, Olympia Fields, IL 604611182. Office phone: 7086792518.
What is Dr. John Karl's NPI?
Dr. John Karl's National Provider Identifier (NPI) is 1487701728, issued by NPPES.
Does Dr. John Karl accept Medicare assignment?
Yes. Dr. John Karl accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.