Gerard M. Choryan, OD
- Medicare patients, 2024
- 309
- Part D claims, 2024
- 684
- MIPS score, 2024
- 75
- Industry payments
- $37
- Affiliated sites
- 1
- Practice address
- 4475 Wilson SW Ave, Grandville, MI 49418
- Practice phone
- Call (616) 949-2600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Grand Rapids Ophthalmology
Grandville, Michigan
Find Gerard Choryan'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.
Gerard M. Choryan is an optometrist in Grandville, Michigan
Gerard Choryan practices at Grand Rapids Ophthalmology in Grandville, Michigan.
Gerard Choryan's NPI, 1629072301, was assigned on June 9, 2005. Gerard Choryan graduated from Ferris State College - College of Optometry in 1990. Gerard Choryan holds Michigan license 4901003337.
- NPI
- 1629072301NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446206296
- NPI enumeration date
- June 9, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (616) 949-2600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Gerard M. Choryan practices at Grand Rapids Ophthalmology in Grandville, Michigan
Gerard Choryan's primary practice is Grand Rapids Ophthalmology, at 4475 Wilson SW Ave, Grandville, MI 49418 in Kent County. The practice phone is (616) 949-2600.
- Grand Rapids Ophthalmology4475 Wilson SW Ave, Grandville, MI 49418 · Kent CountyPhone(616) 949-2600
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Gerard M. Choryan is affiliated with 2 sites of care and 1 medical group
Gerard Choryan's primary practice is Grand Rapids Ophthalmology in Grandville, Michigan. Dmand AI also links Gerard Choryan to 1 ambulatory surgery center and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gerard M. Choryan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gerard Choryan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Grand Rapids Ophthalmology | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Gerard M. Choryan is one of 1,416 optometrists in Michigan
Optometrist is Gerard Choryan's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Gerard Choryan is licensed in Michigan.
Specialties and state licenses
- Optometrist, MichiganPrimary
Optometrists near Gerard Choryan
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
Gerard M. Choryan treated 309 Medicare patients in 2024, average age 75
CMS counts 309 Medicare patients who saw Gerard Choryan in 2024. The largest group is 65 to 74, with 132 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.18, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Gerard Choryan's median patient age at 73, with 64% women.
Gerard Choryan's Medicare patients by age, 2024
Gerard Choryan's Medicare patients by sex, 2024
- Women21770%
- Men9230%
Chronic conditions among Gerard Choryan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Diabetes41%
- Mood disorders27%
- Depression25%
- Anxiety23%
- Chronic kidney disease22%
Share of Medicare patients with each condition. A patient can have several.
Gerard Choryan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women64%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Gerard M. Choryan wrote 684 Medicare Part D claims in 2024
In 2024, Gerard Choryan wrote 684 Medicare Part D claims for 224 patients. 74% of them were for generic drugs.
Gerard Choryan's Part D claims by kind of drug, 2024
- Generic503 claims74%
- Brand-name181 claims26%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Gerard M. Choryan scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Gerard Choryan for performance year 2024, reported as part of a group. Gerard Choryan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Gerard Choryan's MIPS scores, performance year 2024
- 75of 100Final score
- 85.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 31of 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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Gerard M. Choryan received $37 in industry payments in 2025
CMS Open Payments shows 2 general payments to Gerard Choryan from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. TissueTech, Inc. paid the most, $23.
Companies that paid Gerard Choryan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Gerard M. Choryan graduated from Ferris State College - College of Optometry
Gerard Choryan graduated from Ferris State College - College of Optometry in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Gerard M. Choryan'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy 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 Gerard M. Choryan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gerard M. Choryan's NPI number?
Gerard M. Choryan's NPI number is 1629072301. It was assigned on June 9, 2005, and it is active in the NPI Registry.
What does Gerard M. Choryan specialize in?
Gerard M. Choryan is an optometrist in Grandville, Michigan. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Gerard M. Choryan practice?
Gerard Choryan practices at 4475 Wilson SW Ave, Grandville, MI 49418. Gerard Choryan's primary practice is Grand Rapids Ophthalmology in Grandville, Michigan. Dmand AI also links Gerard Choryan to 1 ambulatory surgery center and 1 medical group.
What is Gerard M. Choryan's office phone number?
The practice phone on file for Gerard Choryan is (616) 949-2600.
What is Gerard M. Choryan's medical license number?
Gerard Choryan holds Michigan license 4901003337.
Does Gerard M. Choryan accept Medicare?
Yes. CMS lists Gerard Choryan as accepting Medicare assignment.
What is Gerard M. Choryan's MIPS score?
Gerard Choryan's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
How many Medicare patients does Gerard M. Choryan see?
CMS counts 309 Medicare patients who saw Gerard Choryan in 2024, with an average age of 75.
Where did Gerard M. Choryan go to medical school?
Gerard Choryan graduated from Ferris State College - College of Optometry in 1990.
Has Gerard M. Choryan received payments from drug or device companies?
CMS Open Payments shows $37 in general payments to Gerard Choryan from 2 companies from 2025 to 2025. The largest total came from TissueTech, Inc.
How long has Gerard M. Choryan been practicing?
Gerard Choryan graduated from medical school in 1990, 36 years ago.
Selling to optometrist practices?
See optometrists in Michigan by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card