ROBERT LIU
NPI 1710676705
Internal Medicine in Gaithersburg, MD

Active since May 04, 2023PECOS Enrolled
655 WATKINS MILL RD, GAITHERSBURG, MD 20879(240) 632-4000 Get Directions Write a Review

NPPES record last updated: June 30, 2025. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Jun 30, 2025, Jun 20, 2024, Jun 23, 2023 and 1 more (4 updates tracked since 2023).

About Robert Liu NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ROBERT LIU (NPI 1710676705) is an individual internal medicine provider in Gaithersburg, Maryland, licensed in Maryland (D0103287) and active in the NPI registry since May 2023. He is enrolled in Medicare PECOS and is a graduate of University Of Maryland School Of Medicine (2023).

NPPES Registry Identity

NPI1710676705
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameROBERT LIU
Location Address655 WATKINS MILL RDGaithersburg, MD 20879-3301
Mailing Address655 Watkins Mill RdGaithersburg, MD 20879-3301
Sole ProprietorNo
Medical School CMSUniversity Of Maryland School Of MedicineGraduated 2023
Enumeration DateMay 4, 2023
Last NPPES UpdateJune 30, 20254 updates tracked since enumeration
NPPES CertifiedJune 30, 2025
✔ NPI 1710676705 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in MD · D0103287✔ Licensed in VA · 0116038476
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
655 WATKINS MILL RD, Gaithersburg, MD 20879

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Robert Liu is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID42754038
PECOS Enrollment IDI20260703000844
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20879 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pediatrics
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Student in an Organized Health Care Education/Training Program
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Emergency Medicine
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Pharmacist
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Registered Nurse (Lactation Consultant)
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
General Acute Care Hospital
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Radiologic Technologist (Computed Tomography)
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Audiologist
655 WATKINS MILL RD
GAITHERSBURG, MD 20879

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Robert Liu's NPI number?

The NPI number for Robert Liu is 1710676705. It was assigned to this individual provider in the NPPES registry on May 4, 2023.

Where is Robert Liu located?

Robert Liu practices at 655 Watkins Mill Rd, Gaithersburg, MD 20879. The listed phone number is (240) 632-4000.

What is Robert Liu's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Robert Liu enrolled in Medicare?

Yes. Robert Liu is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Robert Liu was last updated on June 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.