Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Family Practice

Tiffin C. Clegg, MD

Works at hospitals in Tacoma, WA · Silverdale, WA · Washington

Summary

Dr. Tiffin C. Clegg, MD is a family doctor at 9398 Ridgetop Blvd NW, Silverdale, WA 98383. Phone: (360) 782-3200. Accepts Medicare assignment. In 2024, Tiffin C. Clegg had 248 Original Medicare patients and 1,618 services. NPI 1982695219. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Tiffin C. Clegg, 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 Tiffin C. Clegg accept Medicare assignment?
Yes. Medicare's clinician data says Tiffin C. Clegg 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 Tiffin C. Clegg see?
In 2024, CMS data shows 248 Original Medicare patients and 1,618 services for Tiffin C. Clegg. This counts Original Medicare only and measures volume, not quality.
What is Tiffin C. Clegg's NPI number?
1982695219. 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 Tiffin C. Clegg, 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 patients248
Services billed to Medicare1,618
Different services or procedures45
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)399 services
  2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)174 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)137 services
  4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)113 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)64 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 blood pressure75%
  • High cholesterol75%
  • Arthritis35%
  • Diabetes27%
  • Depression15%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)15%

Hospitals where Tiffin C. Clegg works

Medicare's Facility Affiliation Data lists Tiffin C. Clegg at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • St Joseph Medical CenterTacoma, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500108
  • St Michael Medical CenterSilverdale, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 500039

Practice locations

Addresses where Tiffin C. Clegg is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Tiffin C. Clegg as a member of this group (CMS data updated October 2, 2026).

  • Franciscan Medical Group1,421 clinicians in the group

Specialties

Find other Family Practice doctors in Washington →

Other family doctors in Silverdale

Clinicians with the same Medicare primary specialty in Silverdale, WA — not a recommendation.

All family doctors in Silverdale →

Other clinicians in Franciscan Medical Group

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

Clinician information

CredentialMD
Graduation year1999 (27 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1982695219
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians