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
Mailing address2420 S Union Ave, Ste 200, Tacoma, WA 98405-1322

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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