Henry Chang, MD
NPI 1669434346 · Emergency Medicine Physician · Wilkes Barre, PA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Henry Chang, MD is a Emergency Medicine Physician provider in Wilkes Barre, PA (NPI 1669434346).
Provider details
- NPI number
- 1669434346
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA07952900 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
526 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 304 | $169 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 111 | $116 |
| Critical Care, First 30-74 Minutes99291 | 111 | $206 |
Typical Medicare-allowed amounts for these services range $116–$206 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ibuprofen | 67 | 66 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 35 | 35 |
| Cephalexin | 33 | 33 |
| Metoclopramide Hcl | 25 | 25 |
| Ondansetronbrand: Ondansetron Odt | 25 | 24 |
| Ondansetron Hcl | 20 | 20 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 14 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$77 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 500 University DrHershey, PA 17033-2360Phone: (800) 243-1455
Registry dates
- Enumerated
- 2006-04-06
- Last updated
- 2025-04-03
- Certified
- 2025-04-03
Frequently asked questions
- What is Henry Chang's NPI number?
- Henry Chang's National Provider Identifier (NPI) is 1669434346, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Henry Chang's specialty?
- Henry Chang is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Henry Chang located?
- Henry Chang's practice location on file with NPPES is 1000 E Mountain Blvd, Wilkes Barre, PA 18711-0027.
- What is Henry Chang's phone number?
- The practice phone number listed in the NPPES registry for Henry Chang is (570) 808-7762.
- Does Henry Chang accept Medicare?
- Henry Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Henry Chang's NPI active?
- Yes — Henry Chang's NPI (1669434346) is active in the NPPES registry as of the last update on 2025-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.