Anna Yan, M.D.
NPI 1306280656 · Family Medicine Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anna Yan, M.D. is a Family Medicine Physician provider in Palo Alto, CA (NPI 1306280656).
Provider details
- NPI number
- 1306280656
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A149294 (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
13 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
287 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 120 | $152 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 53 | $156 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 50 | $210 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 26 | $110 |
| Admn Sarscov2 Vacc 1 Dose90480 | 23 | $52 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 130 | 41 |
| Amlodipine Besylate | 85 | 18 |
| Hydrochlorothiazide | 52 | 14 |
| Omeprazole | 50 | 11 |
| Lisinopril | 47 | 14 |
| Sertraline Hcl | 40 | — |
| Levothyroxine Sodium | 39 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-04-17
- Last updated
- 2020-06-03
- Certified
- 2020-06-03
Frequently asked questions
- What is Anna Yan's NPI number?
- Anna Yan's National Provider Identifier (NPI) is 1306280656, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anna Yan's specialty?
- Anna Yan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Anna Yan located?
- Anna Yan's practice location on file with NPPES is 795 El Camino Real, Palo Alto, CA 94301-2302.
- What is Anna Yan's phone number?
- The practice phone number listed in the NPPES registry for Anna Yan is (650) 853-2984.
- Does Anna Yan accept Medicare?
- Anna Yan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anna Yan's NPI active?
- Yes — Anna Yan's NPI (1306280656) is active in the NPPES registry as of the last update on 2020-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.