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

William H Holderman, MD

Individual provider Gastroenterology Physician · NPI 1346213956

William H Holderman, MD is a Gastroenterology in Tacoma, Washington. Graduated from R Franklin University of Med & SCI/Chicago Medical School in 1987, 39 years ago. Practices with Washington Gastroenterology PLLC, a 143-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
39
Trained at
R Franklin University of Med & SCI/Chicago Medical School
Licensed in
WA
In the registry since
2006
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

3209 S 23rd St Ste 340
Tacoma, WA 98405-1602
Phone: (253) 272-8148
Fax: (253) 404-0506
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence MD00030625 (WA)

Record details

NPI number1346213956
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 13, 2006
Last updated in NPPESApril 4, 2014

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolR FRANKLIN UNIVERSITY OF MED & SCI/CHICAGO MEDICAL SCHOOL
Graduated 1987 (39 years in practice)
Group practice Washington Gastroenterology Pllc — 143 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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