George Liu, M.D., PH.D.
NPI 1629002589 · Endocrinology, Diabetes & Metabolism Physician · New York, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
George Liu, M.D., PH.D. is a Endocrinology, Diabetes & Metabolism Physician provider in New York, NY (NPI 1629002589).
Provider details
- NPI number
- 1629002589
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 140475 (NY)
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
1,476 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 286 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 263 | $100 |
| Blood Glucose (sugar) Level82947 | 230 | $4 |
| Urinalysis, Manual Test81002 | 213 | $3 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 130 | $142 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 104 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 144 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,525 | 478 |
| Losartan Potassium | 698 | 226 |
| Amlodipine Besylate | 597 | 173 |
| Metformin Hcl | 559 | 178 |
| Levothyroxine Sodium | 523 | 164 |
| Empagliflozinbrand: Jardiance | 467 | 111 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$45 across 2 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
- 2006-07-10
- Last updated
- 2016-01-14
Frequently asked questions
- What is George Liu's NPI number?
- George Liu's National Provider Identifier (NPI) is 1629002589, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is George Liu's specialty?
- George Liu is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is George Liu located?
- George Liu's practice location on file with NPPES is 185 Canal Street, New York, NY 10013.
- What is George Liu's phone number?
- The practice phone number listed in the NPPES registry for George Liu is (212) 226-1177.
- Does George Liu accept Medicare?
- George Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is George Liu's NPI active?
- Yes — George Liu's NPI (1629002589) is active in the NPPES registry as of the last update on 2016-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.