Doctor profile · Federal record
Dr. Gregory Wingren, O.D.
Optometrist · Napa, CA
- NPI 1164857140
- MIPS 81.0 / 100 · 2023
- 13 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
895 Trancas St
Napa, CA 945583040
(707) 252-2020
fax (707) 252-0329
Credentials & registration
- NPI registered
- September 2013 — 13 yrs on file
- Profile last updated
- February 24, 2014
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- California #14767
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1164857140. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
97
Distinct HCPCS
3
Medicare allowed
$11,825
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 56 | 50 | $103 | |
92014 |
Established patient complete exam of visual system | 22 | 22 | $150 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 19 | 18 | $145 |
In context: peer comparison
Among 3 peers in Napa Optometrist, average services per provider: 71. This provider delivers 1.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
14
Patients
0
Total drug cost
$274
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 14 | 0 | $274 |
Frequently asked questions
What is Dr. Gregory Wingren's medical specialty?
Dr. Gregory Wingren practices Optometrist in Napa, CA.
Where does Dr. Gregory Wingren practice?
Dr. Gregory Wingren practices at 895 Trancas St, Napa, CA 945583040. Office phone: 7072522020.
What is Dr. Gregory Wingren's NPI?
Dr. Gregory Wingren's National Provider Identifier (NPI) is 1164857140, issued by NPPES.
What procedures does Dr. Gregory Wingren commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient complete exam of visual system (HCPCS 92014); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.