Robert Liu
- Part D claims, 2024
- 427
- Industry payments
- $122
- Affiliated sites
- 1
- Medical groups
- 2
- State licenses
- 2
- Practice address
- 655 Watkins Mill Road, Gaithersburg, MD 20879
- Practice phone
- Call (301) 816-6812
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gaithersburg Ambulatory Surgery Center
Surgery Center - Medicare-Certified · Gaithersburg, Maryland
Find Robert Liu's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Robert Liu is an internist in Gaithersburg, Maryland
Robert Liu practices at Gaithersburg Ambulatory Surgery Center in Gaithersburg, Maryland.
Robert Liu's NPI, 1710676705, was assigned on May 4, 2023. Robert Liu graduated from University of Maryland School of Medicine in 2023. Robert Liu holds Maryland license D0103287.
- NPI
- 1710676705NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042754038
- NPI enumeration date
- May 4, 2023
- NPI status
- Active
- Practice phone
- (301) 816-6812
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Robert Liu practices at Gaithersburg Ambulatory Surgery Center in Gaithersburg, Maryland
Robert Liu's primary practice is Gaithersburg Ambulatory Surgery Center, at 655 Watkins Mill Road, Gaithersburg, MD 20879. The practice phone is (301) 816-6812.
- Gaithersburg Ambulatory Surgery Center655 Watkins Mill Road, Gaithersburg, MD 20879Phone(301) 816-6812
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Robert Liu is affiliated with 1 site of care and 2 medical groups
Robert Liu's primary practice is Gaithersburg Ambulatory Surgery Center in Gaithersburg, Maryland. The medical group on file is Mid-Atlantic Permanente Medical Group. Dmand AI also links Robert Liu to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Robert Liu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Robert Liu practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gaithersburg Ambulatory Surgery Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Robert Liu is one of 3,320 internists in Maryland
Internal medicine is Robert Liu's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Robert Liu's licenses on file in 2 states: Maryland and Virginia.
Specialties and state licenses
- Internal medicine, MarylandPrimary
- Virginia license
Internists near Robert Liu
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Robert Liu's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Robert Liu's median patient age at 72, with 41% women.
Robert Liu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women41%
- Men59%
Source: Dmand AI Patient Panel Data
Robert Liu wrote 427 Medicare Part D claims in 2024
In 2024, Robert Liu wrote 427 Medicare Part D claims for 100 patients. 88% of them were for generic drugs. CMS names the drug for 210 of them, across 10 drugs with 11 or more claims each, at $2,429 in total drug cost.
Robert Liu's Part D claims by kind of drug, 2024
- Generic377 claims88%
- Brand-name and other50 claims12%
Robert Liu's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Robert Liu's Part D claims, 2024
- Antibiotics3%14 of 427 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Robert Liu received $122 in industry payments from 2024 to 2025
CMS Open Payments shows 3 general payments to Robert Liu from 3 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $75.
General payments to Robert Liu by program year, 2024 to 2025
Companies that paid Robert Liu the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Robert Liu graduated from University of Maryland School of Medicine
Robert Liu graduated from University of Maryland School of Medicine in 2023.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Robert Liu's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Robert Liu
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Robert Liu's NPI number?
Robert Liu's NPI number is 1710676705. It was assigned on May 4, 2023, and it is active in the NPI Registry.
What does Robert Liu specialize in?
Robert Liu is an internist in Gaithersburg, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Robert Liu practice?
Robert Liu practices at 655 Watkins Mill Road, Gaithersburg, MD 20879. Robert Liu's primary practice is Gaithersburg Ambulatory Surgery Center in Gaithersburg, Maryland. Dmand AI also links Robert Liu to 1 medical group.
What is Robert Liu's office phone number?
The practice phone on file for Robert Liu is (301) 816-6812.
What is Robert Liu's medical license number?
Robert Liu holds Maryland license D0103287, one of the licenses on file in 2 states.
Which states has Robert Liu been licensed in?
Dmand AI has state licenses on file for Robert Liu in Maryland and Virginia.
What medical group is Robert Liu part of?
Robert Liu is linked to Mid-Atlantic Permanente Medical Group. Dmand AI links Robert Liu to 1 more medical group.
Where did Robert Liu go to medical school?
Robert Liu graduated from University of Maryland School of Medicine in 2023.
What drugs does Robert Liu prescribe most?
In 2024 Medicare Part D data, Robert Liu's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
Has Robert Liu received payments from drug or device companies?
CMS Open Payments shows $122 in general payments to Robert Liu from 3 companies from 2024 to 2025. The largest total came from Stryker Corporation.
How long has Robert Liu been practicing?
Robert Liu graduated from medical school in 2023, 3 years ago.
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