Yi Liu, M.D.
NPI 1659306710 · Family Medicine Physician · Highland, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yi Liu, M.D. is a Family Medicine Physician provider in Highland, CA (NPI 1659306710).
Provider details
- NPI number
- 1659306710
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A84623 (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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
138 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 90 | $93 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 17 | $114 |
| Automated Urinalysis Test81003 | 16 | $2 |
| Detection Test By Immunoassay With Direct Visual Observation for Streptococcus, Group a (strep)87880 | 15 | $16 |
Typical Medicare-allowed amounts for these services range $2–$114 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 34 | 34 |
| Ciprofloxacin Hcl | 21 | 21 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 18 | 18 |
| Prednisone | 16 | 15 |
| Cephalexin | 14 | 14 |
| Baclofen | 13 | 12 |
| Erythromycin Basebrand: Erythromycin | 12 | 12 |
Practice location
Mailing address
Additional practice locations (1)
- 25455 Barton RdSuite 204bLoma Linda, CA 92354-3128Phone: (909) 558-6600
Registry dates
- Enumerated
- 2006-07-11
- Last updated
- 2025-12-30
- Certified
- 2025-12-30
Frequently asked questions
- What is Yi Liu's NPI number?
- Yi Liu's National Provider Identifier (NPI) is 1659306710, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yi Liu's specialty?
- Yi Liu is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Yi Liu located?
- Yi Liu's practice location on file with NPPES is 7000 Boulder Ave, Highland, CA 92346-3348.
- What is Yi Liu's phone number?
- The practice phone number listed in the NPPES registry for Yi Liu is (909) 862-1191.
- Does Yi Liu accept Medicare?
- Yi Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yi Liu's NPI active?
- Yes — Yi Liu's NPI (1659306710) is active in the NPPES registry as of the last update on 2025-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.