Susan J. Liu, MD
Specialist · Ellicott City, MD
Susan J. Liu, MD is a specialist with a practice address in Ellicott City, Maryland, and NPI 1033169594, issued on May 12, 2006. Check the license (Maryland D0063453, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Susan J. Liu
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- D0063453 MD
Self-reported in NPPES; status is on the state search - Practice location
- 3570 Saint Johns LN, Ellicott City, MD 21042
- Phone
- (410) 461-9500
- Enumerated
- May 12, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (410) 461-8945
- Entity
- Type 1 · individual
8 nearest specialist records → All 938 in Maryland → Look up another NPI →
Also registered at 3570 Saint Johns LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sharon Barkdoll, P.T.Physical Therapist1467560193
- Robert Buhr, PTOrthopedic Physical Therapist1447289392
- Robin CarusoPhysical Therapist1174630123
- Raymond Drapkin, MDSpecialist1568412914
- Michael Franchetti, MDSpecialist1952351959
- Patricia HughesPhysical Therapist1407964653
Verify Susan J. Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license D0063453Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average specialist in 2024
29 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 13 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $9.50
1 payment: food and beverage; the largest payer was Electronic Waveform Lab, Inc. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Susan J. Liu among 938 specialist records in Maryland
Susan J. Liu, MD is one of 938 specialist records with a practice address in Maryland. 36% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 17% of them.
- NPI issued2006 · 17% of these records are older, 39% newer
- In a Medicare fileYes · 36% of these records are
- In the CMS Doctors and Clinicians fileNo · 23% of these records are
- Record last updated2026 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 specialist records list a practice address in Ellicott City
They are 18 of the 1,648 NPPES records with a practice address in Ellicott City, and 938 specialist records in Maryland.
All 938 in Maryland → Every provider in Ellicott City → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Mohan Amlani, M.D.Ellicott City, MD 210421720068968
- Heather Amos, CMTEllicott City, MD 210421437374733
- John Casey, CMTEllicott City, MD 210421043427560
- Raymond Drapkin, MDEllicott City, MD 210421568412914
- Jesse Fernandez, DPTEllicott City, MD 210421821326356
- Efrahim FernandezEllicott City, MD 210421942886908
- Michael Franchetti, MDEllicott City, MD 210421952351959
- Arthur Kurlanzik, MDEllicott City, MD 210421891744595
Common questions
What is Susan J. Liu, MD's NPI number?
Susan J. Liu, MD's National Provider Identifier (NPI) is 1033169594, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Susan J. Liu, MD located?
The NPPES record lists a practice address at 3570 Saint Johns LN, Ellicott City, MD, 21042. Phone: (410) 461-9500. Providers update this record themselves, so call before visiting.
How can I verify Susan J. Liu, MD's license?
NPPES lists Maryland license number D0063453, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Susan J. Liu, MD prescribe under Medicare Part D?
In 2024, Susan J. Liu, MD had 29 Medicare Part D claims; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.