Dongyan Liu, M.D.
Hematology/Oncology (CMS) · Frederick, MD
At a glance
1562 Opossumtown Pike, Frederick, MD 21702-4920
NPPES record updated Sep 15, 2022. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
1562 Opossumtown PikeFrederick, MD 21702-4920
Additional reported practice locations
9103 Franklin Square DrBaltimore, MD 212373900
Phone: 4437772181
Fax: 4437776288 3000D Ventrie Ct
Myersville, MD 217737817
Phone: 2402156310 141 Thomas Johnson Dr
Frederick, MD 217024502
Phone: 2408460100 16403 Old Emmitsburg Rd
Emmitsburg, MD 217278929
Phone: 2402156310 400 W 7Th St
Frederick, MD 217014506
Phone: 2402156310 15 E Frederick St
Walkersville, MD 217938234
Phone: 2402156310 230 W Patrick St
Frederick, MD 217016945
Phone: 2402156310 7211 Bank Ct
Frederick, MD 217038483
Phone: 2402156310 3430 Worthington Blvd
Frederick, MD 217047017
Phone: 2402156310 504 E Ridgeville Blvd
Mount Airy, MD 217715942
Phone: 2402156310 75 Thomas Johnson Dr
Frederick, MD 217024895
Phone: 2402156310 501 W 7Th St
Frederick, MD 217014586
Phone: 2402156310 194 Thomas Johnson Dr
Frederick, MD 217024679
Phone: 2402156310
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2005
- CMS specialties
- Hematology/Oncology
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Frederick Health Hospital Frederick, MD
- Greater Baltimore Medical Center Baltimore, MD
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $868.55 |
Reporting companies
| Company | Amount |
|---|---|
| STEMLINE THERAPEUTICS INC. | $131.44 |
| JANSSEN BIOTECH, INC. | $63.00 |
| PFIZER INC. | $58.82 |
| CELGENE CORPORATION | $56.16 |
| NOVARTIS PHARMACEUTICALS CORPORATION | $47.55 |
| GLAXOSMITHKLINE, LLC. | $37.63 |
| ABBVIE INC. | $32.27 |
| BAYER HEALTHCARE PHARMACEUTICALS INC. | $31.05 |
| Other reporting companies | $410.63 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Hematology/Oncology (CMS)
- Taxonomy code
- 207RH0003X
- Enumeration date
- Mar 27, 2015
- Record updated
- Sep 15, 2022
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207RH0003X · Primary
License reported: D0092337 MD
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1562 Opossumtown PikeFrederick, MD 21702-4920
- Phone
- (240) 215-6310
Mailing address
400 W 7TH STFREDERICK, MD 217014506
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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