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

Individual provider Internal Medicine Physician · NPI 1003053638

Dr. Sheldon Gregory Stadnyk, MD is an Internal Medicine Physician in Greeley, Colorado. Licensed in California and Colorado. Registered with an NPI since 2009.

Licensed in
CA, CO
In the registry since
2009
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

1801 16th St
Greeley, CO 80631-5154
Phone: (970) 350-6002
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 37392 (CO)
Internal Medicine Physician Taxonomy 207R00000X · Licence G29929 (CA)

Record details

NPI number1003053638
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 20, 2009
Last updated in NPPESJanuary 20, 2009
Mailing address1329 Songbird Ct, Boulder, CO 80303-1478

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