Rachel Chiang, MD
NPI 1043368921 · Internal Medicine Physician · Riverside, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rachel Chiang, MD is a Internal Medicine Physician provider in Riverside, CA (NPI 1043368921).
Provider details
- NPI number
- 1043368921
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A67943 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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 · 56 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 182 | 69 |
| Losartan Potassium | 166 | 54 |
| Rosuvastatin Calcium | 120 | 43 |
| Levothyroxine Sodium | 114 | 35 |
| Lisinopril | 101 | 35 |
| Hydrochlorothiazide | 78 | 29 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-08
- Last updated
- 2021-12-01
Frequently asked questions
- What is Rachel Chiang's NPI number?
- Rachel Chiang's National Provider Identifier (NPI) is 1043368921, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rachel Chiang's specialty?
- Rachel Chiang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Rachel Chiang located?
- Rachel Chiang's practice location on file with NPPES is 10800 Magnolia Ave, Riverside, CA 92505-3043.
- What is Rachel Chiang's phone number?
- The practice phone number listed in the NPPES registry for Rachel Chiang is (909) 353-2000.
- Does Rachel Chiang accept Medicare?
- Rachel Chiang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rachel Chiang's NPI active?
- Yes — Rachel Chiang's NPI (1043368921) is active in the NPPES registry as of the last update on 2021-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.