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

Dr. Tammy W Chan, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1902077324

Dr. Tammy W Chan, MD is an Obstetrics/Gynecology in Westerville, Ohio. Graduated from Ohio State University College of Medicine in 2003, 23 years ago. Practices with Oh Independent Medical Group LLC, a 129-clinician group and accepts Medicare assignment. Licensed in Indiana and Ohio.

Years since qualifying
23
Trained at
Ohio State University College of Medicine
Licensed in
IN, OH
In the registry since
2008
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

550 S Cleveland Ave Ste D
Westerville, OH 43081-8958
Phone: (614) 865-7600
Fax: (614) 392-2546
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 35092332 (OH)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence 11011777A (IN)

Record details

NPI number1902077324
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 13, 2008
Last updated in NPPESFebruary 14, 2022
Certification dateFebruary 14, 2022

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolOHIO STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 2003 (23 years in practice)
Group practice Oh Independent Medical Group Llc — 129 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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