Doctor profile · Federal record
Dr. Patrick Riddle, M.D.
Ophthalmology Physician (CMS: Ophthalmology) · Ophthalmology Physician · Nashua, NH
- NPI 1811992993
- Accepts Medicare
- MIPS 95.3 / 100 · 2023
- 55 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5 Coliseum Ave
Nashua, NH 030633292
(603) 882-9800
fax (603) 882-0556
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- August 11, 2022
- Year of graduation
- 1971 — 55 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State licenses (2)
- New Hampshire #6907 · Nebraska #12369
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1811992993. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,378
Distinct HCPCS
10
Medicare allowed
$211,059
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92014 |
Established patient complete exam of visual system | 831 | 822 | $128 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 459 | 280 | $91 | |
92250 |
Photography of the retina | 343 | 329 | $38 | |
92134 |
Imaging of retina | 163 | 137 | $41 | |
92083 |
Exam of visual field with extended testing | 136 | 113 | $64 | |
92012 |
Established patient problem focused exam of visual system | 106 | 102 | $91 | |
92133 |
Imaging of optic nerve | 95 | 85 | $36 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 90 | 66 | $57 | |
92004 |
New patient complete exam of visual system | 79 | 79 | $150 | |
92201 |
Extended exam of the back part of the eye with retinal drawing | 46 | 36 | $25 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 180. This provider delivers 13× the peer median.Open Payments
Industry payments received
All-time total
$866
Transactions
40
Manufacturers
11
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Bausch & Lomb Americas Inc. | 9 | $193.36 | |
| Amgen Inc. | 10 | $190.72 | |
| Oyster Point Pharma, Inc. | 6 | $102.65 | |
| Mallinckrodt Hospital Products Inc. | 3 | $99.21 | |
| ABBVIE INC. | 4 | $87.63 | |
| Dompe US, Inc. | 2 | $62.90 | |
| Alcon Vision LLC | 2 | $42.89 | |
| Astellas Pharma US Inc | 1 | $28.99 | |
| Glaukos Corporation | 1 | $24.91 | |
| Apellis Pharmaceuticals, Inc. | 1 | $17.86 | |
| SUN PHARMACEUTICAL INDUSTRIES INC. | 1 | $14.66 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
449
Patients
155
Total drug cost
$47,402
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 124 | 48 | $2,131 |
| Timolol Maleate | Generic | 91 | 32 | $1,483 |
| Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) | Brand | 40 | 22 | $552 |
| Brimonidine Tartrate | Generic | 37 | 14 | $774 |
| Dorzolamide Hcl | Generic | 36 | 13 | $679 |
| Ofloxacin | Generic | 27 | 26 | $391 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 19 | 0 | $448 |
| Restasis (Cyclosporine) | Brand | 19 | 0 | $22,765 |
| Prednisolone Acetate | Generic | 17 | 0 | $739 |
| Rocklatan (Netarsudil Mesylat/Latanoprost) | Brand | 14 | 0 | $6,582 |
Frequently asked questions
What is Dr. Patrick Riddle's medical specialty?
Dr. Patrick Riddle practices Ophthalmology Physician in Nashua, NH.
Where does Dr. Patrick Riddle practice?
Dr. Patrick Riddle practices at 5 Coliseum Ave, Nashua, NH 030633292. Office phone: 6038829800.
What is Dr. Patrick Riddle's NPI?
Dr. Patrick Riddle's National Provider Identifier (NPI) is 1811992993, issued by NPPES.
Does Dr. Patrick Riddle accept Medicare assignment?
Yes. Dr. Patrick Riddle accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patrick Riddle commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient office or other outpatient visit (HCPCS 99213); Photography of the retina (HCPCS 92250). Source: CMS Medicare Physician & Other Practitioners file.