Doctor profile · Federal record
Dr. GREGG SCHELLACK, D.O.
Orthopaedic Surgery Physician (CMS: ORTHOPEDIC SURGERY) · LIVINGSTON, MT
- NPI 1205887544
- Accepts Medicare
- 23 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
320 ALPENGLOW LN
LIVINGSTON, MT 590478506
(406) 222-3541
fax (406) 222-7606 - Additional location
-
600 Mt Highway 91 S
Dillon, MT 597257379
(406) 683-3000
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- August 21, 2024
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207X00000X — NUCC code
- State license (1)
- Montana #PHYS-35111
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1205887544. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$61
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Stryker Corporation | 2 | $60.68 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
146
Patients
87
Total drug cost
$1,010
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 42 | 28 | $328 |
| Naproxen | Generic | 41 | 30 | $323 |
| Promethazine Hcl | Generic | 31 | 29 | $99 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 18 | 0 | $128 |
| Acetaminophen-Codeine (Acetaminophen With Codeine) | Brand | 14 | 0 | $132 |