Doctor profile · Federal record
Dr. John Davis, M.D.
Adolescent Medicine (Internal Medicine) Physician (CMS: Hospitalist) · Hospitalist Physician · Oak Brook, IL
- NPI 1154363372
- Accepts Medicare
- 26 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
900 Jorie Blvd, Suite 186
Oak Brook, IL 605232213
(630) 954-6700
fax (630) 954-1555
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- November 16, 2022
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207RA0000X — NUCC code
- State licenses (2)
- Illinois #036109720 · Indiana #01073739A
- Medicaid
- IL #036109720
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1154363372. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,252
Distinct HCPCS
6
Medicare allowed
$128,065
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 614 | 227 | $111 | |
99497 |
Advance care planning, first 30 minutes | 232 | 155 | $71 | |
99239 |
Hospital discharge day management, more than 30 minutes | 148 | 146 | $107 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 143 | 70 | $74 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 95 | 94 | $161 | |
99238 |
Hospital discharge day management, 30 minutes or less | 20 | 20 | $75 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 208. This provider delivers 6.0× the peer median.Open Payments
Industry payments received
All-time total
$180
Transactions
3
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Inari Medical, Inc. | 1 | $138.00 | |
| Mylan Specialty L.P. | 1 | $24.43 | |
| Paratek Pharmaceuticals, Inc. | 1 | $17.07 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
39
Patients
14
Total drug cost
$264
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 17 | 14 | $116 |
| Amlodipine Besylate | Generic | 11 | 0 | $53 |
| Methylprednisolone | Generic | 11 | 0 | $95 |
Hospital affiliations
Frequently asked questions
What is Dr. John Davis's medical specialty?
Dr. John Davis practices Adolescent Medicine (Internal Medicine) Physician in Oak Brook, IL.
Where does Dr. John Davis practice?
Dr. John Davis practices at 900 Jorie Blvd, Oak Brook, IL 605232213. Office phone: 6309546700.
What is Dr. John Davis's NPI?
Dr. John Davis's National Provider Identifier (NPI) is 1154363372, issued by NPPES.
Does Dr. John Davis accept Medicare assignment?
Yes. Dr. John Davis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Davis commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Advance care planning (HCPCS 99497); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.