Han-Chiao I. Chen, MD

Medicare activity in 2024

Official CMS public-use data for Han-Chiao I. Chen, 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)20 services
2. Computer-assisted procedure inside brain (61781)13 services
3. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)12 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 cholesterol61%
• High blood pressure53%
• Anxiety49%
• Depression37%
• Arthritis34%
• Stroke or mini-stroke32%

Hospitals where Han-Chiao I. Chen works

Medicare's Facility Affiliation Data lists Han-Chiao I. Chen 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.

• Hospital of University of PennsylvaniaPhiladelphia, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390111

Practice locations

Addresses where Han-Chiao I. Chen is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 12; the Medicare profile lists all.

• 3400 Civic Ctr BlvdPhiladelphia, PA 19104
• 3400 Civic Ctr Blvd 1, Abram Cancer Ctr Pacam 1 FlrPhiladelphia, PA 19104 (215) 893‑2600
• 3400 Civic Ctr Blvd 2nd Floor SoutPhiladelphia, PA 19104
• 3400 Civic Ctr Blvd 4, Penn Behavioral Health Perelman 4th FloorPhiladelphia, PA 19104 (215) 746‑6701
• 3400 Civic Ctr Blvd 4thPhiladelphia, PA 19104 (215) 662‑2626

Group practices

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

• University of Penn - Medical Group3,505 clinicians in the group

Specialties

• Neurosurgeryprimary

Find other Neurosurgery doctors in Pennsylvania →

Other neurosurgeons in Philadelphia

Clinicians with the same Medicare primary specialty in Philadelphia, PA — not a recommendation.

• Eric L. Zager, MD
• Scott R. Shepard, MD
• John Shin, MD
• John D. Arena, MD
• Christopher Loftus, MD
• Michael Weaver, MD
• Bong-Soo Kim, MD
• Stavropoula I. Tjoumakaris, MD

All neurosurgeons in Philadelphia →

Other clinicians in University of Penn - Medical Group

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

• John M. Nguyen, MD
• Jonathan D. Gomberg, MD
• Hannah S. Kaufman, AU
• Subha L. Airan-Javia, MD
• Sean P. Zajdel, CNA
• Susan A. Potter, NP

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