Susan Hsu, M.D.
NPI 1679631634 · Family Medicine Physician · Pleasanton, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susan Hsu, M.D. is a Family Medicine Physician provider in Pleasanton, CA (NPI 1679631634).
Provider details
- NPI number
- 1679631634
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A60610 (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 · 68 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 212 | 84 |
| Levothyroxine Sodium | 135 | 43 |
| Losartan Potassium | 131 | 51 |
| Amlodipine Besylate | 128 | 52 |
| Lisinopril | 112 | 48 |
| Simvastatin | 87 | 29 |
| Atenolol | 84 | 32 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-04
- Last updated
- 2022-05-18
- Certified
- 2022-05-18
Frequently asked questions
- What is Susan Hsu's NPI number?
- Susan Hsu's National Provider Identifier (NPI) is 1679631634, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Hsu's specialty?
- Susan Hsu is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Susan Hsu located?
- Susan Hsu's practice location on file with NPPES is 7601 Stoneridge Dr, Pleasanton, CA 94588-4501.
- What is Susan Hsu's phone number?
- The practice phone number listed in the NPPES registry for Susan Hsu is (925) 847-5100.
- Does Susan Hsu accept Medicare?
- Susan Hsu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Susan Hsu's NPI active?
- Yes — Susan Hsu's NPI (1679631634) is active in the NPPES registry as of the last update on 2022-05-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.