CHAO GONG (M.D.) – Hospitalist Physician, NPI 1073836706
Hospitalist Physician
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Profile Insights
NPPES metrics only — not quality of care.
529 NEUROLOGY in IN
Provider Addresses for CHAO GONG (M.D.)
PO BOX 781076
DETROIT, MI 482781076
Phone: (317) 528-4800
Fax: (317) 865-1479
Type: Mailing
24 JOLIET ST
DYER, IN 463111705
Phone: (219) 865-2141
Fax: (219) 852-2502
Type: Location
9555 S 52nd Ave
Oak Lawn, IL 604533054
Phone: (773) 768-6400
Type: Location
2315 E 93rd St Ste 440
Chicago, IL 606173951
Phone: (773) 768-6400
Type: Location
351 Delnor Dr Ste 401
Geneva, IL 601344235
Phone: (630) 933-4056
Fax: (630) 938-4370
Type: Location
757 45TH AVE
STE. 201
MUNSTER, IN 463212911
Phone: (219) 934-2461
Fax: (219) 934-2478
Type: Mailing
1040 SIERRA DR STE 400
GREENWOOD, IN 461437241
Phone: (317) 528-4800
Type: Mailing
5454 HOHMAN AVE
HAMMOND, IN 463201931
Phone: (219) 932-2300
Fax: (219) 852-2502
Type: Location
Hammond Clinic, 7905, Calumet Avenue, Munster, Lake County, Indiana, 46321, United States
FRANCISCAN HAMMOND CLINIC
MUNSTER, IN 463211215
Phone: (219) 836-5800
Fax: (219) 836-8073
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
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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: 2020-04-30
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20100925000036 | I | Hospitalist | IN | TBD |
| I20200430001606 | I | Neurology | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 449 | 196 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 197 | 193 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 124 | 70 | $0 |
| 95819 | Measurement of brain wave activity (eeg), awake and asleep | 71 | 65 | $0 |
| 95816 | Measurement of brain wave activity (eeg), awake and drowsy | 40 | 39 | $0 |
Insurance plans in this area (ZIP 48278)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NEUROLOGY | IN | 95819 | Measurement and recording of brain wave (EEG) activity, awake and asleep | 20 | 20 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| Diagnostic Radiology, Interventional Radiology | IL | |
| P A T H O L O G Y | IL | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology), Internal Medicine | IL | |
| G A S T R O E N T E R O L O G Y | IL | |
| Internal Medicine | IL | |
| Cardiac Electrophysiology, Cardiovascular Disease (Cardiology), Internal Medicine | MN | |
| - | IL | |
| Physical Therapist In Private Practice | IL | |
| Nurse Practitioner | IL |
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