Joseph Liu
NPI 1669564738 · Family Medicine Physician · Normal, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Liu is a Family Medicine Physician provider in Normal, IL (NPI 1669564738).
Provider details
- NPI number
- 1669564738
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
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
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,188 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,678 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 545 | $121 |
| 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 | 370 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 82 | $124 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 68 | $22 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 136 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 702 | 205 |
| Lisinopril | 478 | 141 |
| Levothyroxine Sodium | 454 | 116 |
| Amlodipine Besylate | 426 | 136 |
| Losartan Potassium | 366 | 112 |
| Rosuvastatin Calcium | 323 | 99 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-28
- Last updated
- 2007-07-08
Frequently asked questions
- What is Joseph Liu's NPI number?
- Joseph Liu's National Provider Identifier (NPI) is 1669564738, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Liu's specialty?
- Joseph Liu is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Liu located?
- Joseph Liu's practice location on file with NPPES is 2200 Fort Jesse Rd, Normal, IL 61761-6286.
- What is Joseph Liu's phone number?
- The practice phone number listed in the NPPES registry for Joseph Liu is (309) 661-6290.
- Does Joseph Liu accept Medicare?
- Joseph Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Liu's NPI active?
- Yes — Joseph Liu's NPI (1669564738) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.