Albert Chang, M.D.
NPI 1790755569 · Family Medicine Physician · Irvine, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Albert Chang, M.D. is a Family Medicine Physician provider in Irvine, CA (NPI 1790755569).
Provider details
- NPI number
- 1790755569
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A77997 (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
20 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
1,614 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 611 | $99 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 501 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 216 | $140 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 122 | $62 |
| Administration of Influenza Virus VaccineG0008 | 80 | $34 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 40 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,630 | 439 |
| Amlodipine Besylate | 1,508 | 434 |
| Rosuvastatin Calcium | 1,420 | 415 |
| Losartan Potassium | 1,288 | 364 |
| Metformin Hcl | 907 | 240 |
| Levothyroxine Sodium | 471 | 131 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,532 across 118 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
Registry dates
- Enumerated
- 2006-01-25
- Last updated
- 2014-01-24
Frequently asked questions
- What is Albert Chang's NPI number?
- Albert Chang's National Provider Identifier (NPI) is 1790755569, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Albert Chang's specialty?
- Albert Chang is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Albert Chang located?
- Albert Chang's practice location on file with NPPES is 16300 Sand Canyon Ave, Irvine, CA 92618-3711.
- What is Albert Chang's phone number?
- The practice phone number listed in the NPPES registry for Albert Chang is (949) 585-9870.
- Does Albert Chang accept Medicare?
- Albert Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Albert Chang's NPI active?
- Yes — Albert Chang's NPI (1790755569) is active in the NPPES registry as of the last update on 2014-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.