Jun Frank Sun, M.D.
Hematology · Hematology/Oncology · Internal Medicine · Medical Oncology (CMS) · Clinton, MD
At a glance
8926 Woodyard Rd Ste 201, Clinton, MD 20735-4231
NPPES record updated Aug 18, 2011. 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
8926 Woodyard Rd Ste 201Clinton, MD 20735-4231
Education & affiliations
- Medical / professional school
- State University Of New York At Buffalo School Of Medicine
- Graduation year
- 2005
- CMS specialties
- Hematology · Hematology/Oncology · Internal Medicine · Medical Oncology
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Luminis Health Doctors Community Medical Ctr, Inc Lanham, MD
- University Of Md Capital Region Medical Center Upper Marlboro, MD
- University Of Md Charles Regional Medical Center La Plata, 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.
Reported clinician measures
Measures below describe reported clinician performance in the stated period. They do not form an overall HCPList rating, and reporting differs between clinicians.
Published clinical measures
- Advance Care Plan
- 98%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_047_overall. Collection type: REG. Measure denominator: 888.
- Documentation of Current Medications in the Medical Record
- 95%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_130_overall. Collection type: EHR. Measure denominator: 4268.
- Oncology: Medical and Radiation - Pain Intensity Quantified
- 99%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_143_overall. Collection type: EHR. Measure denominator: 846.
See all 4 reported measures
- Oncology: Medical and Radiation - Plan of Care for Pain
- 100%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_144_overall. Collection type: REG. Measure denominator: 22.
Source: PY 2024 Clinician Public Reporting: MIPS Measures and Attestations · Published Sep 10, 2026.
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 | $2,659.79 |
| Consulting fee | $2,648.75 |
Reporting companies
| Company | Amount |
|---|---|
| KARYOPHARM THERAPEUTICS INC. | $2,648.75 |
| PFIZER INC. | $331.51 |
| MERCK SHARP & DOHME LLC | $256.48 |
| JANSSEN BIOTECH, INC. | $196.78 |
| ASTRAZENECA PHARMACEUTICALS LP | $164.64 |
| GENENTECH USA, INC. | $132.53 |
| NOVARTIS PHARMACEUTICALS CORPORATION | $126.02 |
| DAIICHI SANKYO INC. | $112.06 |
| Other reporting companies | $1,339.77 |
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 · Hematology/Oncology · Internal Medicine · Medical Oncology (CMS)
- Taxonomy code
- 207RH0003X
- Enumeration date
- Oct 9, 2008
- Record updated
- Aug 18, 2011
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207RH0003X · Primary
License reported: D71785 MD
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
8926 Woodyard Rd Ste 201Clinton, MD 20735-4231
- Phone
- (301) 868-7911
- Fax
- (301) 868-2285
Mailing address
8926 WOODYARD RD STE 101CLINTON, MD 207354230
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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