Michael A. Chaglasian, OD
- Medicare patients, 2024
- 68
- Part D claims, 2024
- 1,259
- Industry payments
- $16,337
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 3241 S Michigan Ave, Chicago, IL 60616-3878
- Practice phone
- Call (312) 949-7751
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Illinois Eye Institute
Eye care practice · Chicago, Illinois
Find Michael Chaglasian'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.
Michael A. Chaglasian is an optometrist in Chicago, Illinois
Michael Chaglasian practices at Illinois Eye Institute in Chicago, Illinois.
Michael Chaglasian's NPI, 1841283330, was assigned on August 30, 2005. Michael Chaglasian holds Illinois license 046008201.
- NPI
- 1841283330NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345379178
- NPI enumeration date
- August 30, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (312) 949-7751
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Michael A. Chaglasian practices at Illinois Eye Institute in Chicago, Illinois
Michael Chaglasian's primary practice is Illinois Eye Institute, at 3241 S Michigan Ave, Chicago, IL 60616-3878. The practice phone is (312) 949-7751.
- Illinois Eye Institute3241 S Michigan Ave, Chicago, IL 60616-3878Phone(312) 949-7751
Source: Dmand AI Affiliation Data
Michael A. Chaglasian is affiliated with 1 site of care and 1 medical group
Michael Chaglasian's primary practice is Illinois Eye Institute in Chicago, Illinois. Dmand AI also links Michael Chaglasian to 1 medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Michael A. Chaglasian's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Michael Chaglasian practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Illinois Eye Institute | Available with a free account |
| +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.
Michael A. Chaglasian is one of 2,194 optometrists in Illinois
Optometrist is Michael Chaglasian's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Michael Chaglasian is licensed in Illinois.
Specialties and state licenses
- Optometrist, IllinoisPrimary
Optometrists near Michael Chaglasian
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
Michael A. Chaglasian treated 68 Medicare patients in 2024, average age 76
CMS counts 68 Medicare patients who saw Michael Chaglasian in 2024. The largest group is 65 to 74, with 31 patients. 75% of them have high blood pressure, and 68% have high cholesterol. 54% are also on Medicaid. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Michael Chaglasian's median patient age at 70, with 46% women.
Michael Chaglasian's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Michael Chaglasian's Medicare patients by sex, 2024
- Women3653%
- Men3247%
Chronic conditions among Michael Chaglasian's Medicare patients, 2024
- High blood pressure75%
- High cholesterol68%
- Arthritis53%
- Diabetes47%
- Chronic kidney disease34%
- Heart failure29%
- Ischemic heart disease28%
- Cancer24%
Share of Medicare patients with each condition. A patient can have several.
Michael Chaglasian's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women46%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Michael A. Chaglasian wrote 1,259 Medicare Part D claims in 2024
In 2024, Michael Chaglasian wrote 1,259 Medicare Part D claims for 153 patients. 62% of them were for generic drugs.
Michael Chaglasian's Part D claims by kind of drug, 2024
- Generic779 claims62%
- Brand-name480 claims38%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Michael A. Chaglasian takes part in Medicare
Michael Chaglasian accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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.
Michael A. Chaglasian received $16,337 in industry payments in 2025
CMS Open Payments shows 24 general payments to Michael Chaglasian from 6 drug and device companies in 2025. Consulting fees make up the largest share, 61% of the total. Topcon Medical Systems, Inc. paid the most, $12,531.
General payments to Michael Chaglasian by kind, 2025 to 2025
- Consulting fees$10,00061%
- Compensation for serving as faculty or as a speaker for a medical education program$2,40015%
- Honoraria$1,75011%
- Food and beverage$1,1797%
- Travel and lodging$1,0086%
Companies that paid Michael Chaglasian the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Michael A. Chaglasian'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Michael A. Chaglasian
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Michael A. Chaglasian's NPI number?
Michael A. Chaglasian's NPI number is 1841283330. It was assigned on August 30, 2005, and it is active in the NPI Registry.
What does Michael A. Chaglasian specialize in?
Michael A. Chaglasian is an optometrist in Chicago, Illinois. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Michael A. Chaglasian practice?
Michael Chaglasian practices at 3241 S Michigan Ave, Chicago, IL 60616-3878. Michael Chaglasian's primary practice is Illinois Eye Institute in Chicago, Illinois. Dmand AI also links Michael Chaglasian to 1 medical group.
What is Michael A. Chaglasian's office phone number?
The practice phone on file for Michael Chaglasian is (312) 949-7751.
What is Michael A. Chaglasian's medical license number?
Michael Chaglasian holds Illinois license 046008201.
Does Michael A. Chaglasian accept Medicare?
Yes. CMS lists Michael Chaglasian as accepting Medicare assignment.
How many Medicare patients does Michael A. Chaglasian see?
CMS counts 68 Medicare patients who saw Michael Chaglasian in 2024, with an average age of 76.
Has Michael A. Chaglasian received payments from drug or device companies?
CMS Open Payments shows $16,337 in general payments to Michael Chaglasian from 6 companies from 2025 to 2025. The largest total came from Topcon Medical Systems, Inc.
How long has Michael A. Chaglasian been practicing?
Michael Chaglasian graduated from medical school in 1988, 38 years ago.
Selling to optometrist practices?
See optometrists in Illinois 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