Doctor profile · Federal record
Dr. Patrick Gregg, MD
Ophthalmology Physician (CMS: Ophthalmology) · Roseburg, OR
- NPI 1346224201
- Accepts Medicare
- MIPS 79.3 / 100 · 2023
- 28 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
341 Medical Loop, Suite 120
Roseburg, OR 974715540
(541) 672-4470
fax (541) 672-0665 - Mailing address
-
Po Box 1700
Roseburg, OR 974700414
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- September 7, 2010
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State license (1)
- Oregon #MD24348
- Medicaid
- OR #226927
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1346224201. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,144
Distinct HCPCS
10
Medicare allowed
$123,157
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92014 |
Established patient complete exam of visual system | 362 | 297 | $132 | |
92134 |
Imaging of retina | 145 | 85 | $42 | |
92133 |
Imaging of optic nerve | 135 | 103 | $36 | |
92012 |
Established patient problem focused exam of visual system | 131 | 89 | $94 | |
92083 |
Exam of visual field with extended testing | 98 | 87 | $66 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 75 | 60 | $93 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 65 | 65 | $170 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 40 | 36 | $131 | |
66984 |
Removal of cataract with insertion of prosthetic lens | 29 | 20 | $553 | |
76514 |
Ultrasound scan of cornea to determine thickness | 19 | 18 | $11 |
In context: peer comparison
Among 4 peers in Roseburg Ophthalmology Physician, average services per provider: 109. This provider delivers 10× the peer median.Open Payments
Industry payments received
All-time total
$71
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Alcon Vision LLC | 1 | $70.50 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,440
Patients
450
Total drug cost
$48,537
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 679 | 129 | $16,150 |
| Timolol Maleate | Generic | 219 | 50 | $2,818 |
| Prednisolone Acetate | Generic | 108 | 70 | $6,945 |
| Ketorolac Tromethamine | Generic | 99 | 55 | $3,009 |
| Ciprofloxacin Hcl | Generic | 85 | 59 | $1,212 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 79 | 19 | $3,221 |
| Brimonidine Tartrate | Generic | 62 | 16 | $850 |
| Erythromycin (Erythromycin Base) | Brand | 44 | 34 | $551 |
| Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) | Brand | 21 | 18 | $323 |
| Travoprost | Generic | 19 | 0 | $2,880 |
Hospital affiliations
Frequently asked questions
What is Dr. Patrick Gregg's medical specialty?
Dr. Patrick Gregg practices Ophthalmology Physician in Roseburg, OR.
Where does Dr. Patrick Gregg practice?
Dr. Patrick Gregg practices at 341 Medical Loop, Roseburg, OR 974715540. Office phone: 5416724470.
What is Dr. Patrick Gregg's NPI?
Dr. Patrick Gregg's National Provider Identifier (NPI) is 1346224201, issued by NPPES.
Does Dr. Patrick Gregg accept Medicare assignment?
Yes. Dr. Patrick Gregg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patrick Gregg commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Imaging of retina (HCPCS 92134); Imaging of optic nerve (HCPCS 92133). Source: CMS Medicare Physician & Other Practitioners file.