Dennis Liu, MD
NPI 1366554933 · Rheumatology Physician · Folsom, CA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dennis Liu, MD is a Rheumatology Physician provider in Folsom, CA (NPI 1366554933).
Provider details
- NPI number
- 1366554933
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD26962 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
747 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 296 | $195 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 286 | $139 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 94 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 37 | $99 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 20 | $177 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 406 | 119 |
| Prednisone | 297 | 91 |
| Leflunomide | 280 | 94 |
| Hydroxychloroquine Sulfate | 248 | 72 |
| Azathioprine | 235 | 71 |
| Leucovorin Calcium | 232 | 69 |
| Sulfasalazine | 165 | 49 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$166 across 3 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
- 2006-08-31
- Last updated
- 2023-04-26
- Certified
- 2023-04-26
Frequently asked questions
- What is Dennis Liu's NPI number?
- Dennis Liu's National Provider Identifier (NPI) is 1366554933, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Liu's specialty?
- Dennis Liu is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis Liu located?
- Dennis Liu's practice location on file with NPPES is 1730 Prairie City Rd Ste 120, Folsom, CA 95630-9594.
- What is Dennis Liu's phone number?
- The practice phone number listed in the NPPES registry for Dennis Liu is (916) 351-4800.
- Does Dennis Liu accept Medicare?
- Dennis Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dennis Liu's NPI active?
- Yes — Dennis Liu's NPI (1366554933) is active in the NPPES registry as of the last update on 2023-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.