Doctor profile · Federal record
Dr. Michael Chaglasian, OD
Optometrist (CMS: Optometry) · Chicago, IL
- NPI 1841283330
- Accepts Medicare
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3241 S Michigan Ave
Chicago, IL 606163849
(312) 949-7211
fax (312) 949-7389
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- April 17, 2024
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- Illinois #046008201
- Medicaid
- IL #046008201
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1841283330. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
243
Distinct HCPCS
6
Medicare allowed
$22,716
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 121 | 91 | $132 | |
92083 |
Exam of visual field with extended testing | 46 | 42 | $64 | |
92020 |
Exam of the internal drainage system of eye | 21 | 21 | $28 | |
92133 |
Imaging of optic nerve | 21 | 20 | $36 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 20 | 18 | $95 | |
92250 |
Photography of the retina | 14 | 14 | $37 |
In context: peer comparison
Among 92 peers in Chicago Optometrist, average services per provider: 85. This provider delivers 2.9× the peer median.Open Payments
Industry payments received
All-time total
$54,221
Transactions
79
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Topcon Healthcare, INC. | 8 | $22,692.29 | |
| Bausch & Lomb Americas INC. | 15 | $10,299.55 | |
| Optos Plc | 2 | $4,553.05 | |
| Reichert, INC. | 1 | $4,500.00 | |
| Alcon Vision LLC | 14 | $2,979.59 | |
| Carl Zeiss Meditec, INC. | 4 | $2,962.67 | |
| Thea Pharma INC. | 3 | $1,288.76 | |
| Glaukos Corporation | 4 | $1,148.04 | |
| Sight Sciences, INC. | 1 | $1,100.00 | |
| Optos, INC. | 16 | $952.69 | |
| Carl Zeiss Meditec USA, INC. | 1 | $875.00 | |
| Abbvie INC. | 5 | $381.20 | |
| Sun Pharmaceutical Industries INC. | 2 | $245.89 | |
| Haag-Streit USA, INC. | 1 | $180.77 | |
| Oyster Point Pharma, INC. | 2 | $41.75 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,212
Patients
243
Total drug cost
$86,600
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 524 | 112 | $11,389 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 249 | 64 | $7,617 |
| Brimonidine Tartrate | Generic | 144 | 32 | $2,136 |
| Timolol Maleate | Generic | 69 | 24 | $1,572 |
| Lumigan (Bimatoprost) | Brand | 42 | 0 | $14,067 |
| Combigan (Brimonidine Tartrate/Timolol) | Brand | 37 | 11 | $13,091 |
| Dorzolamide Hcl | Generic | 35 | 0 | $1,125 |
| Travoprost | Generic | 34 | 0 | $6,277 |
| Alphagan P (Brimonidine Tartrate) | Brand | 31 | 0 | $9,752 |
| Rocklatan (Netarsudil Mesylat/Latanoprost) | Brand | 24 | 0 | $11,001 |
Frequently asked questions
What is Dr. Michael Chaglasian's medical specialty?
Dr. Michael Chaglasian practices Optometrist in Chicago, IL.
Where does Dr. Michael Chaglasian practice?
Dr. Michael Chaglasian practices at 3241 S Michigan Ave, Chicago, IL 606163849. Office phone: 3129497211.
What is Dr. Michael Chaglasian's NPI?
Dr. Michael Chaglasian's National Provider Identifier (NPI) is 1841283330, issued by NPPES.
Does Dr. Michael Chaglasian accept Medicare assignment?
Yes. Dr. Michael Chaglasian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Chaglasian commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Exam of visual field with extended testing (HCPCS 92083); Exam of the internal drainage system of eye (HCPCS 92020). Source: CMS Medicare Physician & Other Practitioners file.