Zachary N. Litvack, MD

Medicare activity in 2024

Official CMS public-use data for Zachary N. Litvack, 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.

Most frequent services

1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)115 services
2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)46 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)21 services
4. Computer-assisted procedure inside brain (61781)15 services
5. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)13 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 pressure64%
• High cholesterol61%
• Arthritis51%
• Depression27%
• Anxiety27%
• Stroke or mini-stroke19%

Hospitals where Zachary N. Litvack works

Medicare's Facility Affiliation Data lists Zachary N. Litvack 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.

• Olympic Medical CenterPort Angeles, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500072
• Swedish IssaquahIssaquah, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500152
• Swedish Medical Center / Cherry HillSeattle, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500025

Practice locations

Addresses where Zachary N. Litvack is enrolled with Medicare (CMS data updated October 2, 2026).

• 500 17th AveSeattle, WA 98122 (206) 320‑2000
• 550 17th AveSeattle, WA 98122 (206) 386‑6787
• 550 17th Ave, Fl ASeattle, WA 98122 (206) 386‑4744
• 747 BroadwaySeattle, WA 98122 (206) 386‑6000
• 751 NE Blakely DrIssaquah, WA 98029

Group practices

Medicare enrollment lists Zachary N. Litvack as a member of this group (CMS data updated October 2, 2026).

• Swedish Health Services1,037 clinicians in the group

Specialties

• Neurosurgeryprimary
• Neurologyalso

Find other Neurosurgery doctors in Washington →

Other neurosurgeons in Seattle

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

• Joseph P. Antonios, MD
• Andrew L. Ko, MD
• Rebecca Houston, DO
• Daniel A. Lazar, MD
• Syed S. Azeem, MD
• Manuel Ferreira Jr., MD
• Ryan C. Turner, MD
• Jacob J. Ruzevick, MD

All neurosurgeons in Seattle →

Other clinicians in Swedish Health Services

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

• Hao Yang, DO
• Bin Xie, MD
• Greta T. Go, MD
• Roland A. Hernandez, MD
• Kendall C. Shibuya, DO
• Victor D. Estacio, MD

Clinician information

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