Doctor profile · Federal record
Dr. Riley Williamson, O.D.
Optometrist (CMS: Optometry) · Green Valley, AZ
- NPI 1407118169
- Accepts Medicare
- MIPS 97.5 / 100 · 2023
- 14 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
560 E Continental Road, Suite 104
Green Valley, AZ 85614
(520) 625-5673
fax (520) 625-6259
Credentials & registration
- NPI registered
- June 2012 — 14 yrs on file
- Profile last updated
- February 7, 2017
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- Arizona #1887
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1407118169. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,208
Distinct HCPCS
10
Medicare allowed
$100,475
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92014 |
Established patient complete exam of visual system | 301 | 298 | $122 | |
92250 |
Photography of the retina | 194 | 192 | $36 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 178 | 162 | $88 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 131 | 92 | $123 | |
92133 |
Imaging of optic nerve | 87 | 84 | $33 | |
92083 |
Exam of visual field with extended testing | 84 | 82 | $60 | |
92020 |
Exam of the internal drainage system of eye | 82 | 78 | $27 | |
92004 |
New patient complete exam of visual system | 77 | 77 | $145 | |
92134 |
Imaging of retina | 49 | 46 | $39 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 14 | 14 | $109 |
In context: peer comparison
Among 1 peers in Green Valley Optometrist, average services per provider: 109. This provider delivers 11× the peer median.Open Payments
Industry payments received
All-time total
$202
Transactions
6
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| RxSight INC | 1 | $63.19 | |
| Visionix USA, INC | 1 | $48.58 | |
| Bausch & Lomb Americas INC. | 2 | $45.89 | |
| Alcon Vision LLC | 1 | $25.25 | |
| Oyster Point Pharma, INC. | 1 | $19.07 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
455
Patients
181
Total drug cost
$44,882
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 231 | 85 | $8,420 |
| Timolol Maleate | Generic | 44 | 18 | $1,640 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 31 | 0 | $1,473 |
| Dorzolamide Hcl | Generic | 30 | 13 | $840 |
| Restasis (Cyclosporine) | Brand | 28 | 11 | $31,337 |
| Brimonidine Tartrate | Generic | 23 | 0 | $304 |
| Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) | Brand | 23 | 23 | $317 |
| Erythromycin (Erythromycin Base) | Brand | 19 | 17 | $177 |
| Cephalexin | Generic | 15 | 14 | $73 |
| Moxifloxacin (Moxifloxacin Hcl) | Brand | 11 | 0 | $300 |
Frequently asked questions
What is Dr. Riley Williamson's medical specialty?
Dr. Riley Williamson practices Optometrist in Green Valley, AZ.
Where does Dr. Riley Williamson practice?
Dr. Riley Williamson practices at 560 E Continental Road, Green Valley, AZ 85614. Office phone: 5206255673.
What is Dr. Riley Williamson's NPI?
Dr. Riley Williamson's National Provider Identifier (NPI) is 1407118169, issued by NPPES.
Does Dr. Riley Williamson accept Medicare assignment?
Yes. Dr. Riley Williamson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Riley Williamson commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Photography of the retina (HCPCS 92250); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.