Doctor profile · Federal record
Dr. Nathaniel Clark, O.D.
Optometrist (CMS: Optometry) · Indianapolis, IN
- NPI 1144712035
- Accepts Medicare
- 9 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
105 S Raceway RD
Indianapolis, IN 462311414
(317) 273-8474
Credentials & registration
- NPI registered
- June 2018 — 8 yrs on file
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- Indiana #18004088A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1144712035. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
108
Distinct HCPCS
4
Medicare allowed
$8,643
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 52 | 42 | $84 | |
92250 |
Photography of the retina | 26 | 24 | $35 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 17 | 17 | $119 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 13 | 13 | $104 |
In context: peer comparison
Among 53 peers in this city , average services per provider: 93. This provider delivers 1.2× the peer median.Open Payments
Industry payments received
All-time total
$464
Transactions
9
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Alcon Vision LLC | 5 | $213.16 | |
| Bausch & Lomb Americas Inc. | 3 | $141.70 | |
| CooperVision Inc. | 1 | $109.47 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
61
Patients
12
Total drug cost
$27,495
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 41 | 12 | $642 |
| Restasis (Cyclosporine) | Brand | 20 | 0 | $26,853 |
Frequently asked questions
What is Dr. Nathaniel Clark's medical specialty?
Dr. Nathaniel Clark practices Optometrist in Indianapolis, IN.
Where does Dr. Nathaniel Clark practice?
Dr. Nathaniel Clark practices at 105 S Raceway RD, Indianapolis, IN 462311414. Office phone: 3172738474.
What is Dr. Nathaniel Clark's NPI?
Dr. Nathaniel Clark's National Provider Identifier (NPI) is 1144712035, issued by NPPES.
Does Dr. Nathaniel Clark accept Medicare assignment?
Yes. Dr. Nathaniel Clark accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathaniel Clark commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Photography of the retina (HCPCS 92250); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.