DR. HENRY C CHANG (MD) – Emergency Medicine Physician, NPI 1669434346
Emergency Medicine Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
3,391 EMERGENCY MEDICINE in PA
Provider Addresses for DR. HENRY C CHANG (MD)
PO BOX 858
HERSHEY, PA 170330858
Phone: (800) 243-1455
Type: Mailing
500 University Dr
Hershey, PA 170332360
Phone: (800) 243-1455
Type: Location
100 N ACADEMY AVE # MC4903
DANVILLE, PA 178229800
Phone: (570) 271-6144
Type: Mailing
1000 E MOUNTAIN BLVD
WILKES BARRE, PA 187110027
Phone: (570) 808-7762
Type: Location
Hershey Medical Center, 500, University Drive, Hershey, Dauphin County, Pennsylvania, 17033, United States
HERSHEY, PA 170332360
Phone: (800) 243-1455
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $100.
Total Amount is formed as General ($100) + Research ($0) + Ownership ($0) = $100.
Last reported payment date: 2024-05-15 • Largest payer in this snapshot: ABBVIE INC. ($100).
Total Amount
$100
General + Research + Ownership
Payments
5
Total payment records
General Amount
$100
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-15
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $100 |
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: 2014-10-02
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 4 Medicare enrollment records; no due dates published yet.
Enrollment records
4
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 |
|---|---|---|---|---|
| I20051115000184 | I | Emergency Medicine | NJ | TBD |
| I20101214000816 | I | Emergency Medicine | NY | TBD |
| I20110815000786 | I | Emergency Medicine | PA | TBD |
| I20141002000333 | I | Emergency Medicine | CT | 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 |
|---|---|---|---|---|
| 99284 | Emergency department visit with moderate level of medical decision making | 156 | 153 | $0 |
| 99285 | Emergency department visit with high level of medical decision making | 131 | 130 | $0 |
| 99291 | Critical care, first 30-74 minutes | 61 | 61 | $0 |
| 99283 | Emergency department visit with low level of medical decision making | 19 | 19 | $0 |
Insurance plans in this area (ZIP 17033)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| EMERGENCY MEDICINE | PA | 93010 | Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report | 174 | 169 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | NC | |
| - | PA | |
| P S Y C H I A T R Y | NY | |
| Internal Medicine, Hospice/Palliative Care | PA | |
| - | PA | |
| Nurse Practitioner | PA | |
| Physician Assistant | PA | |
| - | PA | |
| - | PA | |
| Physician Assistant | PA |
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