Marcus Guorui Tan, MD, FAAD, FRCPC
Dermatology · Micrographic Dermatologic Surgery (Mds) (CMS) · Renton, WA
At a glance
660 Sw 39Th St Ste 150, Renton, WA 98057-4912
Published activity: Melanoma (skin cancer) excision · Removal of skin cancer · Removal of skin lesions. View counts and coverage
NPPES record updated Oct 31, 2025. Public records can lag behind changes at a practice.
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- Are you accepting new patients?
- Do you accept my specific insurance plan?
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- 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
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Check the official Medicare directory ↗Practice location
660 Sw 39Th St Ste 150Renton, WA 98057-4912
Additional reported practice locations
3411 Homer StDallas, TX 752065813
Phone: 2146632163 2130 W Holcombe Blvd Fl 6
Houston, TX 770303306
Phone: 7135632772 1920 N Collins Blvd
Richardson, TX 750803525
Phone: 9723164555
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2017
- CMS specialties
- Dermatology · Micrographic Dermatologic Surgery (Mds)
Practice groups
Reported hospital affiliations
- Valley Medical Center Renton, WA
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.
| Procedure category | Published Medicare activity |
|---|---|
| Melanoma (skin cancer) excision | 179 |
| Removal of skin cancer | 653 |
| Removal of skin lesions | 13 |
| Removal or shaving of skin growth | 1-10 |
| Skin biopsy | 41 |
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 | $1,058.06 |
Reporting companies
| Company | Amount |
|---|---|
| ARCUTIS BIOTHERAPEUTICS, INC. | $185.81 |
| JANSSEN BIOTECH, INC. | $149.62 |
| UCB, INC. | $149.11 |
| BOEHRINGER INGELHEIM PHARMACEUTICALS, INC. | $131.29 |
| LEO PHARMA INC. | $120.03 |
| ABBVIE INC. | $114.36 |
| PFIZER INC. | $108.74 |
| SUN PHARMACEUTICAL INDUSTRIES INC. | $99.10 |
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
- Dermatology · Micrographic Dermatologic Surgery (Mds) (CMS)
- Taxonomy code
- 207ND0101X
- Enumeration date
- Oct 31, 2022
- Record updated
- Oct 31, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD, FAAD, FRCPC
Reported taxonomies and licenses
207N00000X
License reported: MD61647325 WA
207N00000X
License reported: T7371 TX
207ND0101X · Primary
License reported: MD61647325 WA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
660 Sw 39Th St Ste 150Renton, WA 98057-4912
- Phone
- (425) 690-3483
- Fax
- (425) 690-9083
Mailing address
660 SW 39TH ST STE 150RENTON, WA 980574912
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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