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

Dr. Gary F. Tzeng, MD

Individual provider Anesthesiology Physician · NPI 1609823715

Dr. Gary F. Tzeng, MD is an Anesthesiology in Naperville, Illinois. Qualified in 1993, 33 years ago. Practices with Valley Anesthesiology Consultants Inc, a 284-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
33
Licensed in
IL
In the registry since
2006
Specialties on file
2
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

801 S Washington St
Naperville, IL 60540-7430
Phone: (630) 355-0450
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 036095938 (IL)
Interventional Pain Medicine Physician Taxonomy 208VP0014X · Licence 036095938 (IL)

Record details

NPI number1609823715
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 27, 2006
Last updated in NPPESMay 10, 2017

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Group practice Valley Anesthesiology Consultants Inc — 284 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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