Shaun Young, MD
NPI 1285959171 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shaun Young, MD is a Internal Medicine Physician provider in San Francisco, CA (NPI 1285959171).
Provider details
- NPI number
- 1285959171
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A107341 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
985 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 514 | $88 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 361 | $125 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 50 | $194 |
| Nursing Facility Discharge Management, More Than 30 Minutes99316 | 33 | $149 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 27 | $208 |
Typical Medicare-allowed amounts for these services range $88–$208 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 50 | 32 |
| Gabapentin | 42 | 31 |
| Apixabanbrand: Eliquis | 34 | 14 |
| Amlodipine Besylate | 31 | 20 |
| Oxycodone Hcl | 23 | 21 |
| Pantoprazole Sodium | 19 | 13 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-04-02
- Last updated
- 2011-10-14
Frequently asked questions
- What is Shaun Young's NPI number?
- Shaun Young's National Provider Identifier (NPI) is 1285959171, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shaun Young's specialty?
- Shaun Young is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Shaun Young located?
- Shaun Young's practice location on file with NPPES is 3698 California St, San Francisco, CA 94118-1702.
- What is Shaun Young's phone number?
- The practice phone number listed in the NPPES registry for Shaun Young is (415) 600-6000.
- Does Shaun Young accept Medicare?
- Shaun Young is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shaun Young's NPI active?
- Yes — Shaun Young's NPI (1285959171) is active in the NPPES registry as of the last update on 2011-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.