Raymond Chang, MD
NPI 1477596831 · Cardiovascular Disease Physician · Dublin, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Raymond Chang, MD is a Cardiovascular Disease Physician provider in Dublin, CA (NPI 1477596831).
Provider details
- NPI number
- 1477596831
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G72078 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 163 | 62 |
| Carvedilol | 112 | 42 |
| Losartan Potassium | 96 | 37 |
| Metoprolol Succinate | 93 | 39 |
| Metoprolol Tartrate | 78 | 35 |
| Sotalol Hclbrand: Sotalol | 74 | 39 |
| Furosemide | 61 | 31 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$332 across 13 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
- 2006-06-14
- Last updated
- 2022-02-11
Frequently asked questions
- What is Raymond Chang's NPI number?
- Raymond Chang's National Provider Identifier (NPI) is 1477596831, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Raymond Chang's specialty?
- Raymond Chang is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Raymond Chang located?
- Raymond Chang's practice location on file with NPPES is 4307 Foxford Way, Dublin, CA 94568-7819.
- What is Raymond Chang's phone number?
- The practice phone number listed in the NPPES registry for Raymond Chang is (949) 422-8170.
- Does Raymond Chang accept Medicare?
- Raymond Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Raymond Chang's NPI active?
- Yes — Raymond Chang's NPI (1477596831) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.