Bobby Shan, DO, MS
NPI 1609439470 · Family Medicine Physician · Livermore, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bobby Shan, DO, MS is a Family Medicine Physician provider in Livermore, CA (NPI 1609439470).
Provider details
- NPI number
- 1609439470
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO, MS
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 149 | 69 |
| Amlodipine Besylate | 111 | 39 |
| Losartan Potassium | 107 | 45 |
| Levothyroxine Sodium | 63 | 24 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 56 | 31 |
| Lisinopril | 49 | 23 |
Practice location
Mailing address
Additional practice locations (1)
- Mercy Medical Center Merced315 Mercy Avenue, Ste. 301Merced, CA 95340Phone: (209) 564-3500Fax: (209) 564-3598
Registry dates
- Enumerated
- 2019-04-17
- Last updated
- 2022-12-07
- Certified
- 2022-12-07
Frequently asked questions
- What is Bobby Shan's NPI number?
- Bobby Shan's National Provider Identifier (NPI) is 1609439470, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bobby Shan's specialty?
- Bobby Shan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Bobby Shan located?
- Bobby Shan's practice location on file with NPPES is 3000 Las Positas Rd, Livermore, CA 94551-9627.
- What is Bobby Shan's phone number?
- The practice phone number listed in the NPPES registry for Bobby Shan is (925) 243-2600.
- Does Bobby Shan accept Medicare?
- Bobby Shan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bobby Shan's NPI active?
- Yes — Bobby Shan's NPI (1609439470) is active in the NPPES registry as of the last update on 2022-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.