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

Dr. Donald J Greggain, MD

Individual provider Family Medicine Physician · NPI 1154328052

Dr. Donald J Greggain, MD is a Family Practice in Lewiston, Idaho. Qualified in 1980, 46 years ago. Practices with St Joseph Hospital LLC, a 90-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Idaho and Washington.

Years since qualifying
46
Licensed in
ID, WA
In the registry since
2005
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

415 6th St Ste 3C
Lewiston, ID 83501-2431
Phone: (208) 750-3840
Fax: (208) 750-3839
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 222 Southway Ave Ste 2a, Lewiston, ID 83501 — (208) 750-3840
  • 1267 Belmont Way, Clarkston, WA 99403-2844 — (509) 751-1500

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence M-6680 (ID)
Family Medicine Physician Taxonomy 207Q00000X · Licence 32331 (WA)

Record details

NPI number1154328052
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 7, 2005
Last updated in NPPESDecember 26, 2024
Certification dateDecember 26, 2024

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1980 (46 years in practice)
Group practice St Joseph Hospital Llc — 90 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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