DR. MARCUS GUORUI TAN MD, FAAD, FRCPC
NPI 1639886575
Dermatology - MOHS-Micrographic Surgery in Renton, WA

Q: What is Marcus Tan's NPI number?

The NPI number for Marcus Tan is 1639886575. It was assigned to this individual provider in the NPPES registry on October 31, 2022.

Q: What is Marcus Tan's specialty?

The primary specialty registered for this NPI is Dermatology, specializing in MOHS-Micrographic Surgery, with taxonomy code 207ND0101X.

Q: When was this NPI record last updated?

The NPPES record for Marcus Tan was last updated on October 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since October 31, 2022PECOS EnrolledAccepts Medicare Assignment

660 SW 39TH ST STE 150, RENTON, WA 98057(425) 690-3483(425) 690-9083 Get Directions Write a Review

NPPES record last updated: October 31, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 7, 2025, Jul 1, 2024, Nov 1, 2022 (3 updates tracked since 2022).

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About Dr. Marcus Guorui Tan Md, Faad, Frcpc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARCUS GUORUI TAN MD, FAAD, FRCPC (NPI 1639886575) is an individual mohs-micrographic surgery provider in Renton, Washington, licensed in Washington (MD61647325) and active in the NPI registry since October 2022. He is enrolled in Medicare PECOS, is affiliated with Valley Medical Center, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1639886575

Entity TypeIndividualMale

Primary Taxonomy207ND0101X

Provider Legal NameDR. MARCUS GUORUI TANCredential: MD, FAAD, FRCPC

Location Address660 SW 39TH ST STE 150Renton, WA 98057-4912

Mailing Address660 Sw 39th St Ste 150Renton, WA 98057-4912 · (425) 690-3483 · Fax (425) 690-9083

Phone(425) 690-3483

Fax(425) 690-9083

Sole ProprietorNo

Medical School CMSOtherGraduated 2017

Enumeration DateOctober 31, 2022

Last NPPES UpdateOctober 31, 20253 updates tracked since enumeration

NPPES CertifiedOctober 31, 2025

✔ NPI 1639886575 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDermatology · MOHS-Micrographic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207ND0101X

License✔ Licensed in WA · MD61647325

Definition

The highly-trained surgeons that perform Mohs Micrographic Surgery are specialists both in dermatology and pathology. With their extensive knowledge of the skin and unique pathological skills, they are able to remove only diseased tissue, preserving healthy tissue and minimizing the cosmetic impact of the surgery. Mohs surgeons who belong to the American College of Mohs Surgery (ACMS) have completed a minimum of one year of fellowship training at one of the ACMS-approved training centers in the U.S.

Also ListedDermatologyTaxonomy 207N00000X · License MD61647325 (WA), T7371 (TX)

660 SW 39TH ST STE 150, Renton, WA 98057

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Secondary Practice Locations 3

Location 11920 N Collins BlvdRichardson, TX 75080-3525 · Phone (972) 316-4555

Location 23411 Homer StDallas, TX 75206-5813 · Phone (214) 663-2163

Location 32130 W Holcombe Blvd Fl 6Houston, TX 77030-3306 · Phone (713) 563-2772

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Oscar Insurance Company, Premera Blue Cross Blue Shield of Alaska and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Marcus Guorui Tan Md, Faad, Frcpc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2365810348

PECOS Enrollment IDI20250519001473

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

88 services41 patients

Destruction of precancer skin growth, 2-14 growths 17003

This procedure involves removing 2-14 precancerous skin growths. The growths are treated to prevent them from potentially developing into skin cancer. The process is safe, with minimal discomfort, and promotes healthier skin.

69 services13 patients

Biopsy of related skin growth, first growth 11102

A biopsy of a skin growth involves taking a small sample of the growth to examine it under a microscope. This helps determine if the growth is harmful. The procedure is typically quick, with minimal discomfort. It's a crucial step in ensuring your skin's health.

33 services24 patients

Destruction of precancer skin growth, 15 or more growths 17004

This procedure involves removing 15 or more precancerous skin growths to prevent them from developing into cancer. It's done using various methods like freezing, creams, or minor surgery. The goal is to protect your health by stopping cancer before it starts.

28 services16 patients

Destruction of skin growth, 1-14 growths 17110

"Destruction of skin growth" refers to a procedure where 1-14 abnormal skin growths are removed. This is done using methods such as freezing, burning, or laser therapy. It helps prevent the growth from causing discomfort or turning into a more serious condition.

23 services16 patients

Destruction of precancer skin growth, 1 growth 17000

"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.

19 services19 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Valley Medical Center

Acute Care Hospitals · Renton, WA

2/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number500088

Location400 S 43rd StRenton, WA 98055 · King County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98057 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$97.43 typical visit price

range $63.67 – $189.37

Typical copayment $24.35 (range $15.91 – $47.34)

Most-billed visit code 99203

Established Patient

$78.74 typical visit price

range $21.12 – $155.00

Typical copayment $19.68 (range $5.28 – $38.75)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AMY B STEERS CNM

Advanced Practice Midwife