Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Hassan I. Tahsildar, MD

Individual provider Medical Oncology Physician · NPI 1629067269

Dr. Hassan I. Tahsildar, MD is a Medical Oncology in Green Bay, Wisconsin. Qualified in 1985, 41 years ago. Practices with Bellin Memorial Hospital Inc, a 681-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
41
Licensed in
WI
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1580 Commanche Ave
Green Bay, WI 54313-5751
Phone: (920) 435-8326
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 744 S Webster Ave, Green Bay, WI 54301-3505 — (920) 433-3500
  • 2820 Roosevelt Rd, Marinette, WI 54143-3834 — (715) 735-5225
  • 820 Arbutus Ave, Oconto, WI 54153-2004 — (920) 835-1100

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence 54846-020 (WI)

Record details

NPI number1629067269
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 17, 2005
Last updated in NPPESJanuary 14, 2021
Certification dateJanuary 14, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyMEDICAL ONCOLOGY
Medical schoolOTHER
Graduated 1985 (41 years in practice)
Group practice Bellin Memorial Hospital Inc — 681 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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