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

Nicholas H. Sun, DO

Individual provider Gastroenterology Physician · NPI 1336357433

Nicholas H. Sun, DO is a Gastroenterology in Puyallup, Washington. Graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2001, 25 years ago. Practices with Washington Gastroenterology PLLC, a 143-clinician group and accepts Medicare assignment. Licensed in Michigan and Washington.

Years since qualifying
25
Trained at
At Still University of Health Sciences, College of Osteo Med, Kirksville
Licensed in
MI, WA
In the registry since
2007
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

1703 S Meridian Ste 305
Puyallup, WA 98371-7590
Phone: (253) 841-3933
Fax: (253) 848-7970
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence OP60152129 (WA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 5101015880 (MI)

Record details

NPI number1336357433
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 20, 2007
Last updated in NPPESJune 21, 2019
Mailing address3209 S 23rd St Ste 340, Tacoma, WA 98405-1602

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolAT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE
Graduated 2001 (25 years in practice)
Group practice Washington Gastroenterology Pllc — 143 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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