Sindey Chung, MD
NPI 1043397987 · Geriatric Medicine (Internal Medicine) Physician · Mountain View, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sindey Chung, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Mountain View, CA (NPI 1043397987).
Provider details
- NPI number
- 1043397987
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A69418 (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 · 62 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 321 | 103 |
| Amlodipine Besylate | 245 | 85 |
| Levothyroxine Sodium | 168 | 57 |
| Losartan Potassium | 165 | 60 |
| Hydrochlorothiazide | 143 | 53 |
| Atenolol | 114 | 42 |
| Lisinopril | 111 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-31
- Last updated
- 2021-12-22
Frequently asked questions
- What is Sindey Chung's NPI number?
- Sindey Chung's National Provider Identifier (NPI) is 1043397987, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sindey Chung's specialty?
- Sindey Chung is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Sindey Chung located?
- Sindey Chung's practice location on file with NPPES is 555 Castro St, Mountain View, CA 94041-2009.
- What is Sindey Chung's phone number?
- The practice phone number listed in the NPPES registry for Sindey Chung is (650) 903-3000.
- Does Sindey Chung accept Medicare?
- Sindey Chung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sindey Chung's NPI active?
- Yes — Sindey Chung's NPI (1043397987) is active in the NPPES registry as of the last update on 2021-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.