Doctor profile · Federal record
Dr. Peter Knowlton, M.D.
Ophthalmology Physician (CMS: Ophthalmology) · Charleston, SC
- NPI 1740523604
- Accepts Medicare
- MIPS 75.7 / 100 · 2023
- 13 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1637 Savannah Hwy
Charleston, SC 294076282
(843) 884-2015
fax (843) 856-9944 - Mailing address
-
2861 Tricom St
North Charleston, SC 294069172
Credentials & registration
- NPI registered
- March 2013 — 13 yrs on file
- Profile last updated
- March 7, 2022
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State license (1)
- South Carolina #51384
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1740523604. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,772
Distinct HCPCS
10
Medicare allowed
$478,220
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92014 |
Established patient complete exam of visual system | 1,196 | 1,116 | $118 | |
92012 |
Established patient problem focused exam of visual system | 696 | 428 | $84 | |
92133 |
Imaging of optic nerve | 311 | 304 | $34 | |
92136 |
Measurement of corneal curvature and depth of eye | 287 | 181 | $37 | |
66984 |
Removal of cataract with insertion of prosthetic lens | 276 | 160 | $477 | |
92134 |
Imaging of retina | 222 | 206 | $38 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 168 | 142 | $83 | |
92004 |
New patient complete exam of visual system | 155 | 155 | $139 | |
66821 |
Removal of recurring cataract in lens capsule using a laser | 137 | 102 | $284 | |
92083 |
Exam of visual field with extended testing | 135 | 134 | $58 |
In context: peer comparison
Among 11 peers in this city , average services per provider: 312. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$616
Transactions
21
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Alcon Vision LLC | 5 | $120.62 | |
| NEW WORLD MEDICAL,INC. | 1 | $118.51 | |
| ABBVIE INC. | 5 | $90.35 | |
| BIOTISSUE HOLDINGS INC. | 1 | $78.40 | |
| SUN PHARMACEUTICAL INDUSTRIES INC. | 3 | $62.76 | |
| Rayner Intraocular Lenses Limited | 2 | $39.24 | |
| Tarsus Pharmaceuticals, Inc. | 1 | $38.07 | |
| Harrow Eye, LLC | 1 | $24.71 | |
| Bausch & Lomb Americas Inc. | 1 | $22.16 | |
| Oyster Point Pharma, Inc. | 1 | $21.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,772
Patients
675
Total drug cost
$314,072
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 587 | 188 | $11,848 |
| Timolol Maleate | Generic | 178 | 61 | $2,929 |
| Brimonidine Tartrate | Generic | 151 | 46 | $6,542 |
| Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) | Brand | 144 | 107 | $1,922 |
| Lumigan (Bimatoprost) | Brand | 128 | 42 | $72,475 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 89 | 25 | $3,043 |
| Prednisolone Acetate | Generic | 86 | 55 | $4,196 |
| Restasis (Cyclosporine) | Brand | 86 | 45 | $114,355 |
| Dorzolamide Hcl | Generic | 68 | 21 | $1,991 |
| Brimonidine Tartrate-Timolol (Brimonidine Tartrate/Timolol) | Brand | 52 | 15 | $12,629 |
Frequently asked questions
What is Dr. Peter Knowlton's medical specialty?
Dr. Peter Knowlton practices Ophthalmology Physician in Charleston, SC.
Where does Dr. Peter Knowlton practice?
Dr. Peter Knowlton practices at 1637 Savannah Hwy, Charleston, SC 294076282. Office phone: 8438842015.
What is Dr. Peter Knowlton's NPI?
Dr. Peter Knowlton's National Provider Identifier (NPI) is 1740523604, issued by NPPES.
Does Dr. Peter Knowlton accept Medicare assignment?
Yes. Dr. Peter Knowlton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Knowlton commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient problem focused exam of visual system (HCPCS 92012); Imaging of optic nerve (HCPCS 92133). Source: CMS Medicare Physician & Other Practitioners file.