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Internal Medicine

Kathleen A. Hughes, MD

Sees patients in Shoreline, WA · Everett, WA · Marysville, WA … · Washington

Summary

Dr. Kathleen A. Hughes, MD is an internal medicine doctor at 1201 N 175th St, Shoreline, WA 98133. Phone: (425) 339-4299. Accepts Medicare assignment. In 2024, Kathleen A. Hughes had 137 Original Medicare patients and 663 services. NPI 1962512996. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1201 N 175th St, Shoreline, WA 98133 · Directions (9 more locations)
  • Phone: (425) 339‑4299
  • Medicare: Accepts Medicare assignment
  • Group practice: Optum Care Washington PLLC (+1 more)
  • Medical school: Medical College Of Wisconsin · graduated 1996 (30 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kathleen A. Hughes, 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 Kathleen A. Hughes accept Medicare assignment?
Yes. Medicare's clinician data says Kathleen A. Hughes 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 Kathleen A. Hughes see?
In 2024, CMS data shows 137 Original Medicare patients and 663 services for Kathleen A. Hughes. This counts Original Medicare only and measures volume, not quality.
What is Kathleen A. Hughes's NPI number?
1962512996. 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 Kathleen A. Hughes, 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 patients137
Services billed to Medicare663
Different services or procedures54
Participating Medicare providerYes
Average age of these patients74

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)82 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)35 services
  3. Manual urinalysis test with examination using microscope, automated (81001)24 services
  4. Bacterial colony count, urine (87086)23 services
  5. Insertion of needle into vein for collection of blood sample (36415)21 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 pressure72%
  • High cholesterol68%
  • Arthritis33%
  • Chronic kidney disease30%
  • Diabetes28%
  • Anxiety28%

Practice locations

Addresses where Kathleen A. Hughes is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 10; the Medicare profile lists all.

Group practices

Medicare enrollment lists Kathleen A. Hughes as a member of these groups (CMS data updated October 2, 2026).

  • Optum Care Washington PLLC683 clinicians in the group
  • The Polyclinic PLLC365 clinicians in the group

Specialties

Find other Internal Medicine doctors in Washington →

Other internal medicine doctors in Shoreline

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

All internal medicine doctors in Shoreline →

Other clinicians in Optum Care Washington PLLC

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

Clinician information

CredentialMD
Medical schoolMedical College Of Wisconsin
Graduation year1996 (30 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1962512996
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