Doctor profile · Federal record
Dr. Zachary Grunig, PA-C
Physician Assistant · Boise, ID
- NPI 1649625963
- Accepts Medicare
- 11 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
287 W Jefferson St
Boise, ID 837026045
(208) 322-1680
fax (208) 385-7708 - Additional location
-
1825 S Kimball Ave
Caldwell, ID 836054828
(208) 455-3535
fax (208) 455-5190 - Additional location
-
633 N 4Th St
Boise, ID 837024510
(208) 342-9800
fax (208) 342-4223 - Mailing address
-
190 E Bannock St
Boise, ID 837126241
Credentials & registration
- NPI registered
- April 2016 — 10 yrs on file
- Profile last updated
- November 11, 2025
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- Idaho #PA-2164
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1649625963. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$494
Transactions
27
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 13 | $174.98 | |
| Abbott Laboratories | 5 | $151.72 | |
| Abbvie INC. | 5 | $89.66 | |
| Curonix LLC | 2 | $27.14 | |
| Vertex Pharmaceuticals Incorporated | 1 | $25.58 | |
| Saluda Medical Americas, INC. | 1 | $24.49 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,602
Patients
550
Total drug cost
$42,740
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 447 | 151 | $13,488 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 176 | 64 | $6,794 |
| Oxycodone Hcl | Generic | 142 | 50 | $3,402 |
| Morphine Sulfate ER (Morphine Sulfate) | Brand | 122 | 36 | $3,233 |
| Hydromorphone Hcl | Generic | 108 | 35 | $2,190 |
| Pregabalin | Generic | 88 | 35 | $3,984 |
| Tramadol Hcl | Generic | 83 | 36 | $545 |
| Cyclobenzaprine Hcl | Generic | 79 | 30 | $716 |
| Gabapentin | Generic | 75 | 31 | $1,605 |
| Zolpidem Tartrate | Generic | 66 | 18 | $644 |
Hospital affiliations
Frequently asked questions
What is Dr. Zachary Grunig's medical specialty?
Dr. Zachary Grunig practices Physician Assistant in Boise, ID.
Where does Dr. Zachary Grunig practice?
Dr. Zachary Grunig practices at 287 W Jefferson St, Boise, ID 837026045. Office phone: 2083221680.
What is Dr. Zachary Grunig's NPI?
Dr. Zachary Grunig's National Provider Identifier (NPI) is 1649625963, issued by NPPES.
Does Dr. Zachary Grunig accept Medicare assignment?
Yes. Dr. Zachary Grunig accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.