Joy Liu, D.O.
NPI 1912128547 · Family Medicine Physician · Folsom, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joy Liu, D.O. is a Family Medicine Physician provider in Folsom, CA (NPI 1912128547).
Provider details
- NPI number
- 1912128547
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 20A9350 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,586 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) |
|---|---|---|
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 583 | $66 |
| 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 | 417 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 382 | $136 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 270 | $51 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 159 | $53 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 70 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 285 | 94 |
| Rosuvastatin Calcium | 172 | 56 |
| Levothyroxine Sodium | 167 | 52 |
| Losartan Potassium | 133 | 40 |
| Amlodipine Besylate | 127 | 42 |
| Lisinopril | 100 | 35 |
| Alendronate Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$866 across 41 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
Registry dates
- Enumerated
- 2007-05-01
- Last updated
- 2024-01-15
- Certified
- 2024-01-15
Frequently asked questions
- What is Joy Liu's NPI number?
- Joy Liu's National Provider Identifier (NPI) is 1912128547, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joy Liu's specialty?
- Joy Liu is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joy Liu located?
- Joy Liu's practice location on file with NPPES is 82 Clarksville Rd Ste 120, Folsom, CA 95630-8210.
- What is Joy Liu's phone number?
- The practice phone number listed in the NPPES registry for Joy Liu is (916) 983-8868.
- Does Joy Liu accept Medicare?
- Joy Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joy Liu's NPI active?
- Yes — Joy Liu's NPI (1912128547) is active in the NPPES registry as of the last update on 2024-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.