JOHN H. GONG (MD) – Internal Medicine Physician, NPI 1962414623
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,824 INTERNAL MEDICINE in IL
Provider Addresses for JOHN H. GONG (MD)
Lake Zurich, Lake County, Illinois, United States
STE 100
LAKE ZURICH, IL 600473416
Phone:
Type: Mailing
900 W IL ROUTE 22 STE 100
LAKE ZURICH, IL 600473416
Phone: (847) 462-1700
Type: Location
25 TELSER RD UNIT 178
LAKE ZURICH, IL 600473608
Phone:
Type: Mailing
304 FOX GLEN CT
BARRINGTON, IL 600101818
Phone: (847) 462-1700
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 82 Open Payments records for all available years, with a total value of $3,803.
Total Amount is formed as General ($3,803) + Research ($0) + Ownership ($0) = $3,803.
Last reported payment date: 2024-10-23 • Largest payer in this snapshot: Boehringer Ingelheim Pharmaceuticals, Inc. ($954).
Total Amount
$3,803
General + Research + Ownership
Payments
82
Total payment records
General Amount
$3,803
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $954 |
| Amgen Inc. | $761 |
| AstraZeneca Pharmaceuticals LP | $545 |
| Lilly USA, LLC | $260 |
| Janssen Pharmaceuticals, Inc | $238 |
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: 2007-08-22
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 |
|---|---|---|---|---|
| I20070822000666 | I | Internal Medicine | IL | 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 | 808 | 222 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 548 | 178 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 438 | 325 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 434 | 286 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 421 | 294 | $0 |
Insurance plans in this area (ZIP 60047)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice, Internal Medicine | IL |
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