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Dermatology

Tiffany L. Shih, MD

Sees patients in Shoreline, WA · Washington

Summary

Dr. Tiffany L. Shih, MD is a dermatologist at 1201 N 175th St, Shoreline, WA 98133. Phone: (425) 339-4299. Accepts Medicare assignment. In 2024, Tiffany L. Shih had 296 Original Medicare patients and 1,301 services. NPI 1437416088. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Dermatologist (Medicare lists Dermatology)
  • Address: 1201 N 175th St, Shoreline, WA 98133 · Directions
  • Phone: (425) 339‑4299
  • Medicare: Accepts Medicare assignment
  • Group practice: Optum Care Washington PLLC
  • Medical school: graduated 2012 (14 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Tiffany L. Shih, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Tiffany L. Shih accept Medicare assignment?
Yes. Medicare's clinician data says Tiffany L. Shih accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Tiffany L. Shih see?
In 2024, CMS data shows 296 Original Medicare patients and 1,301 services for Tiffany L. Shih. This counts Original Medicare only and measures volume, not quality.
What is Tiffany L. Shih's NPI number?
1437416088. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Tiffany L. Shih, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients296
Services billed to Medicare1,301
Different services or procedures57
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Destruction of precancer skin growth, 2-14 growths (17003)393 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)165 services
  3. Destruction of precancer skin growth, 1 growth (17000)124 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)108 services
  5. Biopsy of related skin growth, first growth (11102)98 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol59%
  • High blood pressure58%
  • Arthritis41%
  • Depression21%
  • Anxiety21%
  • Ischemic heart disease20%

Practice locations

Addresses where Tiffany L. Shih is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Tiffany L. Shih as a member of this group (CMS data updated October 2, 2026).

  • Optum Care Washington PLLC683 clinicians in the group

Specialties

Find other Dermatology doctors in Washington →

Other dermatologists in Washington

Clinicians with the same Medicare primary specialty in Washington — not a recommendation.

All dermatologists in Washington →

Other clinicians in Optum Care Washington PLLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2012 (14 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1437416088
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians