Steven Lieu, DO
NPI 1629001300 · Internal Medicine Physician · Meriden, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Lieu, DO is a Internal Medicine Physician provider in Meriden, CT (NPI 1629001300).
Provider details
- NPI number
- 1629001300
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 040773 (CT)
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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,290 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 328 | $138 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 209 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 206 | $13 |
| 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 | 203 | $17 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 184 | $8 |
| Blood Test, Thyroid Stimulating Hormone (tsh) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 111 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,061 | 294 |
| Lisinopril | 397 | 113 |
| Levothyroxine Sodium | 361 | 96 |
| Amlodipine Besylate | 360 | 105 |
| Rosuvastatin Calcium | 297 | 96 |
| Simvastatin | 264 | 73 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-08
- Last updated
- 2025-09-11
Frequently asked questions
- What is Steven Lieu's NPI number?
- Steven Lieu's National Provider Identifier (NPI) is 1629001300, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Lieu's specialty?
- Steven Lieu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Lieu located?
- Steven Lieu's practice location on file with NPPES is 435 Lewis Ave, Meriden, CT 06451.
- What is Steven Lieu's phone number?
- The practice phone number listed in the NPPES registry for Steven Lieu is (203) 284-1340.
- Does Steven Lieu accept Medicare?
- Steven Lieu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Lieu's NPI active?
- Yes — Steven Lieu's NPI (1629001300) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.