Gregory Scott Wingren, OD

  • Vallejo, CA
  • Optometrist
NPI1164857140
Medicare patients, 2024
60
Part D claims, 2024
37
MIPS score, 2024
94
Hospital affiliations
1
Industry payments
$70
Practice address
975 Sereno Dr, Vallejo, CA 94589
Practice phone
Call (707) 651-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Vallejo Medical Center

Hospital · Vallejo, California

See all 8 affiliations

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Gregory Scott Wingren is an optometrist in Vallejo, California

Gregory Wingren practices at Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente.

Gregory Wingren's NPI, 1164857140, was assigned on September 9, 2013. Gregory Wingren holds California license 14767.

NPI and contact details
NPI enumeration date
September 9, 2013
NPI status
Active
Practice phone
(707) 651-1000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
39
Medical school graduation
2013

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Gregory Scott Wingren practices at Vallejo Medical Center in Vallejo, California

Gregory Wingren's primary practice is Vallejo Medical Center, at 975 Sereno Dr, Vallejo, CA 94589 in Solano County. The practice phone is (707) 651-1000.

Source: Dmand AI Affiliation Data

Gregory Scott Wingren is affiliated with 5 sites of care and 3 medical groups

Gregory Wingren's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Gregory Wingren to 2 more group practices and clinics, 2 medical groups, 1 home health agency and 1 hospice, each named with a free account.

See all 8 affiliations for Gregory Wingren

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Gregory Scott Wingren's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Wingren practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Vallejo Medical CenterAvailable with a free account
+4 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Gregory Scott Wingren is one of 7,206 optometrists in California

Optometrist is Gregory Wingren's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Gregory Wingren is licensed in California.

Specialties and state licenses

  • Optometrist, CaliforniaPrimaryLicense 14767 · taxonomy 152W00000X

Optometrists near Gregory Wingren

Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Gregory Scott Wingren treated 60 Medicare patients in 2024, average age 75

CMS counts 60 Medicare patients who saw Gregory Wingren in 2024. The largest group is 65 to 74, with 28 patients. 75% of them have high cholesterol, and 63% have high blood pressure. Their average risk score is 0.79, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Gregory Wingren's median patient age at 38, with 60% women.

Medicare patients, 202460
Average age75
Average risk score0.79

Gregory Wingren's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Gregory Wingren's Medicare patients by sex, 2024

  • Women3253%
  • Men2847%

Chronic conditions among Gregory Wingren's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure63%
  3. Arthritis37%
  4. Osteoporosis25%
  5. Ischemic heart disease23%

Share of Medicare patients with each condition. A patient can have several.

Gregory Wingren's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 38

Patient panel by sex, all payers

  • Women60%
  • Men39%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Gregory Scott Wingren wrote 37 Medicare Part D claims in 2024

In 2024, Gregory Wingren wrote 37 Medicare Part D claims for 16 patients. 73% of them were for generic drugs.

Part D claims, 202437
Part D patients16

Gregory Wingren's Part D claims by kind of drug, 2024

  • Generic27 claims73%
  • Brand-name and other10 claims27%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Gregory Scott Wingren scored 94 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Gregory Wingren for performance year 2024, reported as part of a group.

Gregory Wingren's MIPS scores, performance year 2024

  • 94of 100Final score
  • 100of 100Quality
  • 40of 100Improvement Activities
  • 73of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Gregory Scott Wingren received $70 in industry payments in 2025

CMS Open Payments shows 1 general payment to Gregory Wingren from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Glaukos Corporation paid the most, $70.

Companies that paid Gregory Wingren the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Gregory Wingren

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Gregory Scott Wingren's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesClinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Gregory Scott Wingren

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Gregory Scott Wingren's NPI number?

Gregory Scott Wingren's NPI number is 1164857140. It was assigned on September 9, 2013, and it is active in the NPI Registry.

What does Gregory Scott Wingren specialize in?

Gregory Scott Wingren is an optometrist in Vallejo, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).

Where does Gregory Scott Wingren practice?

Gregory Wingren practices at 975 Sereno Dr, Vallejo, CA 94589. Gregory Wingren's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dmand AI also links Gregory Wingren to 2 group practices and clinics, 2 medical groups, 1 home health agency and 1 hospice.

What is Gregory Scott Wingren's office phone number?

The practice phone on file for Gregory Wingren is (707) 651-1000.

What is Gregory Scott Wingren's medical license number?

Gregory Wingren holds California license 14767.

Which hospitals is Gregory Scott Wingren affiliated with?

Gregory Wingren practices at Vallejo Medical Center in Vallejo, California.

What medical group is Gregory Scott Wingren part of?

Gregory Wingren is linked to The Permanente Medical Group, Inc. Dmand AI links Gregory Wingren to 2 more medical groups.

What is Gregory Scott Wingren's MIPS score?

Gregory Wingren's MIPS final score for performance year 2024 is 94 out of 100, reported as part of a group.

How many Medicare patients does Gregory Scott Wingren see?

CMS counts 60 Medicare patients who saw Gregory Wingren in 2024, with an average age of 75.

Has Gregory Scott Wingren received payments from drug or device companies?

CMS Open Payments shows $70 in general payments to Gregory Wingren from 1 company from 2025 to 2025. The largest total came from Glaukos Corporation.

How long has Gregory Scott Wingren been practicing?

Gregory Wingren graduated from medical school in 2013, 13 years ago.

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