Robert Liu
NPI 1710676705 · Internal Medicine Physician · Gaithersburg, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Liu is a Internal Medicine Physician provider in Gaithersburg, MD (NPI 1710676705).
Provider details
- NPI number
- 1710676705
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 0116038476 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
3 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 46 | 27 |
| Amlodipine Besylate | 28 | 16 |
| Losartan Potassium | 24 | 12 |
| Famotidine | 23 | — |
| Metformin Hcl | 19 | — |
| Lisinopril | 16 | 11 |
| Tamsulosin Hcl | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$106 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
- 2023-05-04
- Last updated
- 2025-06-30
- Certified
- 2025-06-30
Frequently asked questions
- What is Robert Liu's NPI number?
- Robert Liu's National Provider Identifier (NPI) is 1710676705, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Liu's specialty?
- Robert Liu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Liu located?
- Robert Liu's practice location on file with NPPES is 655 Watkins Mill Rd, Gaithersburg, MD 20879-3301.
- What is Robert Liu's phone number?
- The practice phone number listed in the NPPES registry for Robert Liu is (240) 632-4000.
- Does Robert Liu accept Medicare?
- Robert Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Liu's NPI active?
- Yes — Robert Liu's NPI (1710676705) is active in the NPPES registry as of the last update on 2025-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.