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

Dr. Nicolas Alfonso Villa Guillen, MD

Individual provider Gastroenterology Physician · NPI 1265696553

Dr. Nicolas Alfonso Villa Guillen, MD is a Gastroenterology in Spokane, Washington. Qualified in 2006, 20 years ago. Practices with Pioneer Gi Clinic, APC, a 6-clinician group and accepts Medicare assignment. Licensed in Texas and Washington.

Years since qualifying
20
Licensed in
TX, WA
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

910 W 5th Ave Ste 501
Spokane, WA 99204-2967
Phone: (509) 838-2531
Fax: (509) 755-6580
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence MD60501812 (WA)
Internal Medicine Physician Taxonomy 207R00000X · Licence BP10031201 (TX)

Record details

NPI number1265696553
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 15, 2008
Last updated in NPPESSeptember 28, 2021
Certification dateSeptember 28, 2021

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice Pioneer Gi Clinic, Apc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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