Seunggu Han, MD

Medicare activity in 2024

Official CMS public-use data for Seunggu Han, 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 moderate level of decision making, if using time, 30 minutes or more (99214)58 services
2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)28 services
3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)18 services
4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)14 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 cholesterol63%
• Arthritis62%
• Anxiety31%
• Depression29%
• Stroke or mini-stroke28%

Hospitals where Seunggu Han works

Medicare's Facility Affiliation Data lists Seunggu Han 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.

• Dominican HospitalSanta Cruz, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050242
• Stanford Health CareStanford, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050441

Practice locations

Addresses where Seunggu Han is enrolled with Medicare (CMS data updated October 2, 2026).

• 300 Pasteur DrStanford, CA 94305 (650) 723‑4000

Group practices

Medicare enrollment lists Seunggu Han as a member of this group (CMS data updated October 2, 2026).

• Stanford Health Care3,122 clinicians in the group

Specialties

• Neurosurgeryprimary

Find other Neurosurgery doctors in California →

Other neurosurgeons in Stanford

Clinicians with the same Medicare primary specialty in Stanford, CA — not a recommendation.

• Spyridon Karadimas, MD
• Vivek P. Buch, MD
• Gordon H. Li, MD
• David J. Park, MD
• Yusuke Hori, MD
• Jongsoo Park, MD
• Fred C. Lam, MD
• Steven D. Chang, MD

All neurosurgeons in Stanford →

Other clinicians in Stanford Health Care

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

• Stephanie W. Hou, MD
• Stuart B. Goodman, MD
• Jison Hong, MD
• Hsien-Hwa A. Cha, MD
• Michael R. Cruz, CNA
• Katherine S. Sanborn, 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