Doctor profile · Federal record
Dr. John Frederick, M.D.
Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Dyer, IN
- NPI 1598027153
- Accepts Medicare
- 21 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
24 Joliet St
Dyer, IN 463111705
(219) 865-2141 - Additional location
-
2525 S Michigan Ave, Attn:Internal Medicine Residency Program
Chicago, IL 60616
(312) 567-2053 - Mailing address
-
Po Box 781076
Detroit, MI 482781076
Credentials & registration
- NPI registered
- June 2012 — 14 yrs on file
- Profile last updated
- March 19, 2021
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State licenses (2)
- Indiana #01076100A · Illinois #036138817
- Medicaid
- IN #201338270
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598027153. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
587
Distinct HCPCS
4
Medicare allowed
$68,096
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 383 | 159 | $120 | |
99239 |
Hospital discharge day management, more than 30 minutes | 119 | 117 | $116 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 70 | 27 | $80 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 15 | 15 | $175 |
In context: peer comparison
Among 10 peers in this city , average services per provider: 89. This provider delivers 6.6× the peer median.Open Payments
Industry payments received
All-time total
$151
Transactions
5
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen Inc. | 2 | $86.58 | |
| Janssen Pharmaceuticals, Inc | 2 | $44.58 | |
| ABBVIE INC. | 1 | $19.80 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
73
Patients
54
Total drug cost
$6,988
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 23 | 15 | $40 |
| Pantoprazole Sodium | Generic | 16 | 16 | $113 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 12 | 12 | $94 |
| Amlodipine Besylate | Generic | 11 | 11 | $40 |
| Eliquis (Apixaban) | Brand | 11 | 0 | $6,701 |
Frequently asked questions
What is Dr. John Frederick's medical specialty?
Dr. John Frederick practices Hospitalist Physician in Dyer, IN.
Where does Dr. John Frederick practice?
Dr. John Frederick practices at 24 Joliet St, Dyer, IN 463111705. Office phone: 2198652141.
What is Dr. John Frederick's NPI?
Dr. John Frederick's National Provider Identifier (NPI) is 1598027153, issued by NPPES.
Does Dr. John Frederick accept Medicare assignment?
Yes. Dr. John Frederick accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Frederick commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.