Doctor profile · Federal record
Dr. Marshall Day, OD
Optometrist (CMS: Optometry) · Clinton, OK
- NPI 1588614960
- Accepts Medicare
- 49 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
565 S 30Th Street
Clinton, OK 73601
(580) 323-5421
fax (866) 585-2957 - Mailing address
-
Po Box 606
Clinton, OK 736010606
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- June 28, 2019
- Year of graduation
- 1977 — 49 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- Oklahoma #918
- Medicaid
- OK #100763130A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1588614960. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
655
Distinct HCPCS
9
Medicare allowed
$60,674
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92014 |
Established patient complete exam of visual system | 271 | 270 | $116 | |
92134 |
Imaging of retina | 83 | 69 | $37 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 75 | 59 | $84 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 57 | 44 | $119 | |
92250 |
Photography of the retina | 55 | 52 | $34 | |
92004 |
New patient complete exam of visual system | 54 | 54 | $139 | |
92083 |
Exam of visual field with extended testing | 22 | 21 | $57 | |
66984 |
Removal of cataract with insertion of prosthetic lens | 19 | 12 | $100 | |
92133 |
Imaging of optic nerve | 19 | 16 | $33 |
In context: peer comparison
Among 3 peers in Clinton Optometrist, average services per provider: 53. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$26
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Glaukos Corporation | 1 | $26.06 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
75
Patients
12
Total drug cost
$5,257
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 51 | 12 | $943 |
| Lumigan (Bimatoprost) | Brand | 13 | 0 | $4,191 |
| Timolol Maleate | Generic | 11 | 0 | $123 |
Frequently asked questions
What is Dr. Marshall Day's medical specialty?
Dr. Marshall Day practices Optometrist in Clinton, OK.
Where does Dr. Marshall Day practice?
Dr. Marshall Day practices at 565 S 30Th Street, Clinton, OK 73601. Office phone: 5803235421.
What is Dr. Marshall Day's NPI?
Dr. Marshall Day's National Provider Identifier (NPI) is 1588614960, issued by NPPES.
Does Dr. Marshall Day accept Medicare assignment?
Yes. Dr. Marshall Day accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marshall Day commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Imaging of retina (HCPCS 92134); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.