DR. JOHN DAVIS (M.D.) – Adolescent Medicine (Internal Medicine) Physician, NPI 1154363372
Adolescent Medicine (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,390 HOSPITALIST in IL
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Provider Addresses for DR. JOHN DAVIS (M.D.)
900, Jorie Boulevard, Oak Brook, DuPage County, Illinois, 60523, United States
SUITE 186
OAK BROOK, IL 605232213
Phone: (630) 954-6700
Fax: (630) 954-1555
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 7 Open Payments records for all available years, with a total value of $345.
Total Amount is formed as General ($345) + Research ($0) + Ownership ($0) = $345.
Last reported payment date: 2024-11-18 • Largest payer in this snapshot: Inari Medical, Inc. ($138).
Total Amount
$345
General + Research + Ownership
Payments
7
Total payment records
General Amount
$345
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Inari Medical, Inc. | $138 |
| AstraZeneca Pharmaceuticals LP | $100 |
| Mylan Specialty L.P. | $89 |
| Paratek Pharmaceuticals, Inc. | $17 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2014-04-16
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20140416002475 | I | Hospitalist | IN | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 614 | 227 | $0 |
| 99497 | Advance care planning, first 30 minutes | 232 | 155 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 148 | 146 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 143 | 70 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 95 | 94 | $0 |
Insurance plans in this area (ZIP 60523)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Hospitalist, Internal Medicine | IL | |
| Internal Medicine | MO | |
| H O S P I T A L I S T | MS | |
| Internal Medicine | CA | |
| H O S P I T A L I S T | SC | |
| Hospitalist, Internal Medicine | CA | |
| - | MO | |
| Internal Medicine | CA | |
| - | OR | |
| Internal Medicine, Hospitalist | IL |
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