Vivian Wangmei Lam, MD
Family Medicine · Fairfax, VA
At a glance
3650 Joseph Siewick Dr Ste 400, Fairfax, VA 22033-1715
NPPES record updated Jun 22, 2026. 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
3650 Joseph Siewick Dr Ste 400Fairfax, VA 22033-1715
Additional reported practice locations
154 W Main StFredericksburg, PA 170269510
Phone: 7178513582 3193 Cape Horn Rd
Red Lion, PA 173568810
Phone: 7178125888
Fax: 7177413709 1790 Old Trail Rd
Etters, PA 173199652
Phone: 7179386588 1575 Bannister St
York, PA 174044946
Phone: 7178122000 13515 Wolfe Rd
New Freedom, PA 173499346
Phone: 7178122501 105 4Th St
East Berlin, PA 173169638
Phone: 7178124900
Fax: 7172550951 1401 Roosevelt Ave
York, PA 174042244
Phone: 7173565198
Fax: 7173565199 25 Monument Rd Ste 140-145
York, PA 174035060
Phone: 7177418003
Education & affiliations
- Medical / professional school
- Virginia Commonwealth University, School Of Medicine
- Graduation year
- 2020
- CMS specialties
- Family Practice
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Wellspan York Hospital York, PA
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
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
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
- Family Medicine
- Taxonomy code
- 207Q00000X
- Enumeration date
- Jun 15, 2020
- Record updated
- Jun 22, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207Q00000X · Primary
License reported: MD482818 PA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
3650 Joseph Siewick Dr Ste 400Fairfax, VA 22033-1715
- Phone
- (703) 391-2020
Mailing address
3650 JOSEPH SIEWICK DR STE 400FAIRFAX, VA 220331715
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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