Doctor profile · Federal record
Dr. Gregory Kouyoumdjian, M.D.
Ophthalmology Physician (CMS: Ophthalmology) · Glaucoma Specialist (Ophthalmology) Physician · Littleton, CO
- NPI 1548219934
- Accepts Medicare
- MIPS 93.2 / 100 · 2023
- 30 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
8381 Southpark Ln
Littleton, CO 801204508
(303) 991-9662
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- June 1, 2023
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State licenses (2)
- Colorado #38767 · Colorado #0064496
- Medicaid
- CO #465288
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1548219934. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
779
Distinct HCPCS
10
Medicare allowed
$160,873
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
66984 |
Removal of cataract with insertion of prosthetic lens | 155 | 92 | $547 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 112 | 112 | $168 | |
92136 |
Measurement of corneal curvature and depth of eye | 102 | 102 | $48 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 73 | 43 | $57 | |
66821 |
Removal of recurring cataract in lens capsule using a laser | 70 | 56 | $315 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 62 | 54 | $91 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 56 | 47 | $129 | |
92250 |
Photography of the retina | 49 | 48 | $38 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 38 | 38 | $113 | |
92004 |
New patient complete exam of visual system | 27 | 27 | $153 |
In context: peer comparison
Among 6 peers in Littleton Ophthalmology Physician, average services per provider: 108. This provider delivers 7.2× the peer median.Open Payments
Industry payments received
All-time total
$243
Transactions
10
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Rayner Intraocular Lenses Limited | 2 | $50.49 | |
| Amgen INC. | 2 | $44.16 | |
| Johnson & Johnson Surgical Vision, INC. | 1 | $37.11 | |
| Harrow Eye, LLC | 1 | $28.10 | |
| Dompe US, INC. | 1 | $23.79 | |
| Glaukos Corporation | 1 | $21.58 | |
| Alcon Vision LLC | 1 | $20.73 | |
| Tarsus Pharmaceuticals, INC. | 1 | $16.77 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
162
Patients
54
Total drug cost
$11,225
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisolone Acetate | Generic | 59 | 41 | $2,881 |
| Timolol Maleate | Generic | 22 | 0 | $2,950 |
| Dorzolamide Hcl | Generic | 17 | 0 | $555 |
| Flarex (Fluorometholone Acetate) | Brand | 17 | 0 | $2,274 |
| Latanoprost | Generic | 17 | 0 | $414 |
| Fluorometholone | Generic | 16 | 13 | $1,004 |
| Tobramycin-Dexamethasone (Tobramycin/Dexamethasone) | Brand | 14 | 0 | $1,147 |
Frequently asked questions
What is Dr. Gregory Kouyoumdjian's medical specialty?
Dr. Gregory Kouyoumdjian practices Ophthalmology Physician in Littleton, CO.
Where does Dr. Gregory Kouyoumdjian practice?
Dr. Gregory Kouyoumdjian practices at 8381 Southpark Ln, Littleton, CO 801204508. Office phone: 3039919662.
What is Dr. Gregory Kouyoumdjian's NPI?
Dr. Gregory Kouyoumdjian's National Provider Identifier (NPI) is 1548219934, issued by NPPES.
Does Dr. Gregory Kouyoumdjian accept Medicare assignment?
Yes. Dr. Gregory Kouyoumdjian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Kouyoumdjian commonly perform?
Top Medicare-reported procedures in 2023: Removal of cataract with insertion of prosthetic lens (HCPCS 66984); New patient office or other outpatient visit (HCPCS 99204); Measurement of corneal curvature and depth of eye (HCPCS 92136). Source: CMS Medicare Physician & Other Practitioners file.