Vincent A. Gassen, OD
- Medicare patients, 2024
- 572
- Part D claims, 2024
- 2,975
- MIPS score, 2024
- 84
- Industry payments
- $50
- Affiliated sites
- 2
- Practice address
- 1505 Wigwam Pkwy Suite 100 Suite 100, Henderson, NV 89074-8195
- Practice phone
- Call (702) 896-6043
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Nevada Eye Physicians
Eye care practice · Henderson, Nevada
Find Vincent Gassen's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Vincent A. Gassen is an optometrist in Henderson, Nevada
Vincent Gassen practices at Nevada Eye Physicians in Henderson, Nevada.
Vincent Gassen's NPI, 1356340863, was assigned on July 18, 2005. Vincent Gassen graduated from Pacific University - College of Optometry in 1999. Vincent Gassen holds Nevada license 364.
- NPI
- 1356340863NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779630306
- NPI enumeration date
- July 18, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (702) 896-6043
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Vincent A. Gassen practices at Nevada Eye Physicians in Henderson, Nevada
Vincent Gassen's primary practice is Nevada Eye Physicians, at 1505 Wigwam Pkwy Suite 100 Suite 100, Henderson, NV 89074-8195. The practice phone is (702) 896-6043.
- Nevada Eye Physicians1505 Wigwam Pkwy Suite 100 Suite 100, Henderson, NV 89074-8195Phone(702) 896-6043
Source: Dmand AI Affiliation Data
Vincent A. Gassen is affiliated with 2 sites of care and 2 medical groups
Vincent Gassen's primary practice is Nevada Eye Physicians in Henderson, Nevada. Dmand AI also links Vincent Gassen to 2 medical groups and 1 group practice or clinic, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Vincent A. Gassen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Vincent Gassen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Nevada Eye Physicians | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Vincent A. Gassen is one of 387 optometrists in Nevada
Optometrist is Vincent Gassen's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Vincent Gassen is licensed in Nevada.
Specialties and state licenses
- Optometrist, NevadaPrimary
Optometrists near Vincent Gassen
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
Vincent A. Gassen treated 572 Medicare patients in 2024, average age 75
CMS counts 572 Medicare patients who saw Vincent Gassen in 2024. The largest group is 75 to 84, with 247 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.07, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Vincent Gassen's median patient age at 71, with 59% women.
Vincent Gassen's Medicare patients by age, 2024
Vincent Gassen's Medicare patients by sex, 2024
- Women36163%
- Men21137%
Chronic conditions among Vincent Gassen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis47%
- Diabetes35%
- Chronic kidney disease24%
- Anxiety22%
- Ischemic heart disease22%
- Osteoporosis17%
Share of Medicare patients with each condition. A patient can have several.
Vincent Gassen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Vincent A. Gassen wrote 2,975 Medicare Part D claims in 2024
In 2024, Vincent Gassen wrote 2,975 Medicare Part D claims for 698 patients. 69% of them were for generic drugs.
Vincent Gassen's Part D claims by kind of drug, 2024
- Generic2,053 claims69%
- Brand-name922 claims31%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Vincent A. Gassen scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Vincent Gassen for performance year 2024, reported as part of a group. Vincent Gassen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Vincent Gassen's MIPS scores, performance year 2024
- 84of 100Final score
- 82.3of 100Quality
- 40of 100Improvement Activities
- 79of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Vincent A. Gassen received $50 in industry payments in 2025
CMS Open Payments shows 3 general payments to Vincent Gassen from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Tarsus Pharmaceuticals, Inc. paid the most, $35.
Companies that paid Vincent Gassen the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Vincent A. Gassen graduated from Pacific University - College of Optometry
Vincent Gassen graduated from Pacific University - College of Optometry in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Vincent A. Gassen's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Vincent A. Gassen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Vincent A. Gassen's NPI number?
Vincent A. Gassen's NPI number is 1356340863. It was assigned on July 18, 2005, and it is active in the NPI Registry.
What does Vincent A. Gassen specialize in?
Vincent A. Gassen is an optometrist in Henderson, Nevada. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Vincent A. Gassen practice?
Vincent Gassen practices at 1505 Wigwam Pkwy Suite 100 Suite 100, Henderson, NV 89074-8195. Vincent Gassen's primary practice is Nevada Eye Physicians in Henderson, Nevada. Dmand AI also links Vincent Gassen to 2 medical groups and 1 group practice or clinic.
What is Vincent A. Gassen's office phone number?
The practice phone on file for Vincent Gassen is (702) 896-6043.
What is Vincent A. Gassen's medical license number?
Vincent Gassen holds Nevada license 364.
Does Vincent A. Gassen accept Medicare?
Yes. CMS lists Vincent Gassen as accepting Medicare assignment.
What is Vincent A. Gassen's MIPS score?
Vincent Gassen's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Vincent A. Gassen see?
CMS counts 572 Medicare patients who saw Vincent Gassen in 2024, with an average age of 75.
Where did Vincent A. Gassen go to medical school?
Vincent Gassen graduated from Pacific University - College of Optometry in 1999.
Has Vincent A. Gassen received payments from drug or device companies?
CMS Open Payments shows $50 in general payments to Vincent Gassen from 2 companies from 2025 to 2025. The largest total came from Tarsus Pharmaceuticals, Inc.
How long has Vincent A. Gassen been practicing?
Vincent Gassen graduated from medical school in 1999, 27 years ago.
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