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

Mr. William Welch, RPH

Individual provider Pharmacist · NPI 1891787107

Mr. William Welch, RPH is a Pharmacist in Denver, Colorado. Licensed in Colorado and Oklahoma. Registered with an NPI since 2005.

Licensed in
CO, OK
In the registry since
2005
Specialties on file
2
What do these letters mean?
RPH — Registered Pharmacist
A pharmacist licensed by a state board.

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Practice location Address checks out

4353 E Colfax Ave
Denver, CO 80220-1115
Phone: (303) 504-1922
Fax: (303) 320-6388
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pharmacist (primary) Taxonomy 183500000X · Licence 13354 (CO)
Pharmacist Taxonomy 183500000X · Licence 8541 (OK)

Record details

NPI number1891787107
Entity typeIndividual (Type 1)
GenderMale
Credentials RPH
Sole proprietorNo
NPI enumeratedAugust 22, 2005
Last updated in NPPESJuly 13, 2026
Mailing address6319 S Jasmine Way, Centennial, CO 80111-4312

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