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Cardiovascular Disease (Cardiology)

Karlyn G. Huddy, MD

Works at hospitals in Kirkland, WA · Monroe, WA · Washington

Summary

Dr. Karlyn G. Huddy, MD is a cardiologist at 12333 NE 130th Ln, Suite 320, Kirkland, WA 98034. Phone: (425) 899-0555. Accepts Medicare assignment. In 2024, Karlyn G. Huddy had 1,051 Original Medicare patients and 2,561 services. NPI 1922292051. 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.

  • Specialty: Cardiologist (Medicare lists Cardiovascular Disease (Cardiology))
  • Address: 12333 NE 130th Ln, Suite 320, Kirkland, WA 98034 · Directions
  • Phone: (425) 899‑0555
  • Medicare: Accepts Medicare assignment
  • Hospitals: Evergreenhealth Medical Center, Evergreenhealth Monroe
  • Group practice: King County Public Hospital District No 2
  • Medical school: Geisel School Of Medicine At Dartmouth · graduated 2007 (19 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Karlyn G. Huddy, 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 Karlyn G. Huddy accept Medicare assignment?
Yes. Medicare's clinician data says Karlyn G. Huddy 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 Karlyn G. Huddy see?
In 2024, CMS data shows 1,051 Original Medicare patients and 2,561 services for Karlyn G. Huddy. This counts Original Medicare only and measures volume, not quality.
What is Karlyn G. Huddy's NPI number?
1922292051. 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 Karlyn G. Huddy, 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 patients1,051
Services billed to Medicare2,561
Different services or procedures40
Participating Medicare providerYes
Average age of these patients78

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)673 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)568 services
  3. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)278 services
  4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)152 services
  5. Ultrasound of heart with color-depicted blood flow, rate and valve function (93325)133 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%
  • Arthritis51%
  • Ischemic heart disease49%
  • Atrial fibrillation39%
  • Heart failure37%

Hospitals where Karlyn G. Huddy works

Medicare's Facility Affiliation Data lists Karlyn G. Huddy 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.

Practice locations

Addresses where Karlyn G. Huddy is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Karlyn G. Huddy as a member of this group (CMS data updated October 2, 2026).

  • King County Public Hospital District No 2608 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Washington →

Other cardiologists in Kirkland

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

All cardiologists in Kirkland →

Other clinicians in King County Public Hospital District No 2

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

Clinician information

CredentialMD
Medical schoolGeisel School Of Medicine At Dartmouth
Graduation year2007 (19 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1922292051
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