Marcus Guorui Tan, MD, FAAD, FRCPC
MOHS-Micrographic Surgery Physician · Renton, WA
Marcus Guorui Tan, MD, FAAD, FRCPC is a mohs-micrographic surgery physician with a practice address in Renton, Washington, and NPI 1639886575, issued on Oct 31, 2022. Check the license (Washington MD61647325, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Marcus Guorui Tan
- Credential
- MD, FAAD, FRCPC
- Primary taxonomy
- MOHS-Micrographic Surgery Physician 207ND0101X
- License numbers
- MD61647325 WA
T7371 TX
Self-reported in NPPES; status is on the state search - Practice location
- 660 SW 39TH St Ste 150, Renton, WA 98057
- Phone
- (425) 690-3483
- Enumerated
- Oct 31, 2022
- Record last updated
- Oct 31, 2025
- Fax
- (425) 690-9083
- Medicare enrollment
- Enrolled (PECOS I20250519001473); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest mohs-micrographic surgery physician records → All 46 in Washington → Look up another NPI →
Also registered at 660 SW 39TH St Ste 150
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Laura Denman, CNMAdvanced Practice Midwife1861430597
- Michelle Farber, CNMAdvanced Practice Midwife1982025870
- Maiah Hall, CNM, ARNPAdvanced Practice Midwife1871274100
- Elizabeth Kijima, ARNPFamily Nurse Practitioner1790055929
- Cynthia Knutson, MDDermatology Physician1306863030
- Kevin LukDermatology Physician1205323243
Verify Marcus Guorui Tan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD61647325Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average mohs-micrographic surgery physician in 2024
178 Medicare Part D claims for 71 beneficiaries, against an average of 570 among the 1,396 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Ketoconazole60 claims
- Tacrolimus21 claims
- Clobetasol Propionate19 claims
- Triamcinolone Acetonide12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $3,908.26
129 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 1,074 providers of this specialty with any payment received $4,075.23 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Valley Medical Group-RentonRenton, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marcus Guorui Tan among 46 mohs-micrographic surgery physician records in Washington
Marcus Guorui Tan, MD, FAAD, FRCPC is one of 46 mohs-micrographic surgery physician records with a practice address in Washington. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 98% of them.
- NPI issued2022 · 98% of these records are older, 0% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 85% of these records are
- Graduated2017 · median 2008 among the 39 with a school on file
- Record last updated2025 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ND0101X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
MOHS-Micrographic Surgery Physician providers in Washington
There are 46 mohs-micrographic surgery physician records in Washington.
All 46 in Washington → Every provider in Renton → MOHS-Micrographic Surgery Physician nationwide →
The 8 mohs-micrographic surgery physician records with the nearest ZIP codes
- Nobuyoshi Kageyama, M. D.Renton, WA 980571679561427
- John Headley, M.D.Edmonds, WA 980261528093861
- Laurie Jacobson, M.D.Edmonds, WA 980261043235492
- Kelly Griffith-Bauer, M.D.Seattle, WA 981011386905917
- Ravi Krishnan, MDSeattle, WA 981011023063716
- Mustufa Jafry, MDMill Creek, WA 980121447888540
- Joy Makdisi, MDMill Creek, WA 980121245644657
- Dieter Schmidt, MDMill Creek, WA 980121982705158
Common questions
What is Marcus Guorui Tan, MD, FAAD, FRCPC's NPI number?
Marcus Guorui Tan, MD, FAAD, FRCPC's National Provider Identifier (NPI) is 1639886575, issued on Oct 31, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Marcus Guorui Tan, MD, FAAD, FRCPC located?
The NPPES record lists a practice address at 660 SW 39TH St Ste 150, Renton, WA, 98057. Phone: (425) 690-3483. Providers update this record themselves, so call before visiting.
How can I verify Marcus Guorui Tan, MD, FAAD, FRCPC's license?
NPPES lists Washington license number MD61647325, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marcus Guorui Tan, MD, FAAD, FRCPC prescribe under Medicare Part D?
In 2024, Marcus Guorui Tan, MD, FAAD, FRCPC had 178 Medicare Part D claims for 71 beneficiaries; the average among mohs-micrographic surgery physician prescribers was 570. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.