Doctor profile · Federal record

Dr. Donald Greggain, M.D.

Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Lewiston, ID

  • NPI 1154328052
  • Accepts Medicare
  • 46 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
415 6Th St Ste 3C
Lewiston, ID 835012431
(208) 750-3840
fax (208) 750-3839
Additional location
1267 Belmont Way
Clarkston, WA 994032844
(509) 751-1500
fax (509) 751-1504
Additional location
222 Southway Ave Ste 2A
Lewiston, ID 83501
Mailing address
415 6Th Street, Attn: Physician Services
Lewiston, ID 835012434

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
December 26, 2024
Year of graduation
1980 — 46 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
Idaho #M-6680 · Washington #32331
Medicaid (3)
WA #1003592 · ID #1154328052 · ID #003310000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154328052. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,042
Distinct HCPCS
6
Medicare allowed
$89,670
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 444 195 $90
99213 Established patient office or other outpatient visit, 20-29 minutes 307 190 $61
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 215 215 $118
99215 Established patient office or other outpatient visit, 40-54 minutes 34 30 $134
99212 Established patient office or other outpatient visit, 10-19 minutes 29 25 $33
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 13 13 $8

In context: peer comparison

Among 2 peers in this city , average services per provider: 101. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$124
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Phathom Pharmaceuticals, Inc. 1 $97.99
Lundbeck LLC 1 $26.32

By nature of payment

Food and Beverage
$124

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,385
Patients
812
Total drug cost
$54,400
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 449 73 $15,233
Levothyroxine Sodium Generic 404 101 $5,443
Atorvastatin Calcium Generic 322 87 $3,698
Gabapentin Generic 267 48 $4,549
Losartan Potassium Generic 260 71 $2,832
Omeprazole Generic 235 74 $3,457
Lisinopril Generic 192 47 $1,371
Trazodone Hcl Generic 189 43 $2,389
Amlodipine Besylate Generic 181 46 $1,374
Pantoprazole Sodium Generic 172 41 $2,081

Frequently asked questions

Auto-generated from federal data
What is Dr. Donald Greggain's medical specialty?
Dr. Donald Greggain practices Family Medicine Physician in Lewiston, ID.
Where does Dr. Donald Greggain practice?
Dr. Donald Greggain practices at 415 6Th St Ste 3C, Lewiston, ID 835012431. Office phone: 2087503840.
What is Dr. Donald Greggain's NPI?
Dr. Donald Greggain's National Provider Identifier (NPI) is 1154328052, issued by NPPES.
Does Dr. Donald Greggain accept Medicare assignment?
Yes. Dr. Donald Greggain accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Donald Greggain commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.