Serena Liu, MD
NPI 1811457302 · Family Medicine Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Serena Liu, MD is a Family Medicine Physician provider in Palo Alto, CA (NPI 1811457302).
Provider details
- NPI number
- 1811457302
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- 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 tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
441 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 158 | $154 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 97 | $110 |
| 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'SG2211 | 58 | $19 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 48 | $154 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 33 | $216 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 113 | 37 |
| Amlodipine Besylate | 64 | 22 |
| Lisinopril | 53 | 15 |
| Gabapentin | 48 | 18 |
| Losartan Potassium | 47 | 14 |
| Levothyroxine Sodium | 36 | 11 |
| Simvastatin | 34 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$175 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 3569 Round Barn Cir Ste 200Santa Rosa, CA 95403-5781Phone: (707) 583-8800
Registry dates
- Enumerated
- 2019-03-21
- Last updated
- 2022-08-19
- Certified
- 2022-08-19
Frequently asked questions
- What is Serena Liu's NPI number?
- Serena Liu's National Provider Identifier (NPI) is 1811457302, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Serena Liu's specialty?
- Serena Liu is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Serena Liu located?
- Serena Liu's practice location on file with NPPES is 795 El Camino Real, Palo Alto, CA 94301-2302.
- What is Serena Liu's phone number?
- The practice phone number listed in the NPPES registry for Serena Liu is (650) 853-2984.
- Does Serena Liu accept Medicare?
- Serena Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Serena Liu's NPI active?
- Yes — Serena Liu's NPI (1811457302) is active in the NPPES registry as of the last update on 2022-08-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.