NPI age
20 years
Enumerated 2005-07-07
● Active
Type 1 · Individual
DR. Donald J Greggain, M.D.
Greggain is 1 of 23 family medicine providers in Lewiston and 1 of 1691 in Idaho.
Primary specialty
Family Medicine
Plus 1 subspecialty
Licensed in
ID, WA
2 states
Status
Active
No deactivations on record
Last NPPES update
2024-12-26
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1691 active family medicine providers in Idaho.
NPI age
20 years
↑ 3 yr above median (17 yr)
State licenses
2 states
Top 85% — 14% of peers are multi-state
Subspecialties
0
31% of peers hold subspecialties
NPI lifetime · 2005 → 2026
2005-07Enumerated in NPPES
2005
2026
Where they practice
Practice location
415 6th St Ste 3c
Lewiston, ID 835012431
Mailing address
415 6th Street, Attn: Physician Services
Lewiston, ID 835012434
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
222 Southway Ave Ste 2a
Lewiston, ID 83501
Location 3
1267 Belmont Way
Clarkston, WA 994032844
Specialties
-
Family Medicine PrimaryFamily Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (ID) | 000010001249 | REGENCE BLUE SHIELD PROV |
| 01 | 080075556 | RAILROAD MEDICARE PROV# |
| 05 (WA) | 1003592 | |
| 01 (ID) | 1139282 | IDAHO MEDICARE PROV # |
| 01 | 193254001 | OWCP PROV # |
| 01 (WA) | 1095264 | WASH MEDICAID PROV # |
| 01 (ID) | 71993 8J935 | BLUE CROSS IDAHO PROV# |
| 01 (WA) | 104012 | DL&I PROV NUMBER |
| 05 (ID) | 1154328052 | |
| 05 (ID) | 003310000 |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 5 other active providers share this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
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