Michael Chuang, PHARM.D.
NPI 1902209356 · Pharmacist · Martinez, CA
Michael Chuang, PHARM.D. is a Pharmacist provider in Martinez, CA (NPI 1902209356).
Provider details
- NPI number
- 1902209356
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- PHARM.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 71044 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 107 | 17 |
| Insulin Nph Human Isophanebrand: Humulin N | 64 | 24 |
| Atorvastatin Calcium | 62 | 23 |
| Glipizide | 52 | 23 |
| Metformin Hclbrand: Metformin Hcl Er | 48 | 24 |
| Insulin Regular, Humanbrand: Humulin R | 45 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-09-30
- Last updated
- 2014-09-30
Frequently asked questions
- What is Michael Chuang's NPI number?
- Michael Chuang's National Provider Identifier (NPI) is 1902209356, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Chuang's specialty?
- Michael Chuang is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Michael Chuang located?
- Michael Chuang's practice location on file with NPPES is 200 Muir Rd, Martinez, CA 94553-4614.
- What is Michael Chuang's phone number?
- The practice phone number listed in the NPPES registry for Michael Chuang is (408) 891-5698.
- Is Michael Chuang's NPI active?
- Yes — Michael Chuang's NPI (1902209356) is active in the NPPES registry as of the last update on 2014-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.