Henry Chang, MD
NPI 1023162765 · Anesthesiology Physician · Alhambra, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Henry Chang, MD is a Anesthesiology Physician provider in Alhambra, CA (NPI 1023162765).
Provider details
- NPI number
- 1023162765
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A35969 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
356 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) |
|---|---|---|
| Anesthesia for Lens Surgery00142 | 182 | $153 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 62 | $145 |
| Anesthesia for Exam of Colon Using an Endoscope00812 | 33 | $114 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 25 | $171 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 24 | $140 |
| Anesthesia for Retinal Surgery00145 | 17 | $222 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22 across 1 record (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
Registry dates
- Enumerated
- 2007-01-22
- Last updated
- 2008-05-19
Frequently asked questions
- What is Henry Chang's NPI number?
- Henry Chang's National Provider Identifier (NPI) is 1023162765, 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 Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Henry Chang located?
- Henry Chang's practice location on file with NPPES is 707 S Garfield Ave Ste 101, Alhambra, CA 91801-5860.
- What is Henry Chang's phone number?
- The practice phone number listed in the NPPES registry for Henry Chang is (562) 407-2080.
- 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 (1023162765) is active in the NPPES registry as of the last update on 2008-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.