Doctor profile · Federal record
Dr. James Cohn, MD
Ophthalmology Physician (CMS: Ophthalmology) · Fremont, CA
- NPI 1043304173
- Accepts Medicare
- MIPS 3.1 / 100 · 2023
- 44 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3775 Beacon Ave, Suite 140
Fremont, CA 945381465
(510) 791-2233
fax (510) 791-0795
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- December 19, 2023
- Year of graduation
- 1982 — 44 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State license (1)
- California #G57505
- Medicaid
- CA #1891025813
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1043304173. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,305
Distinct HCPCS
10
Medicare allowed
$201,162
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 415 | 219 | $151 | |
92014 |
Established patient complete exam of visual system | 371 | 346 | $157 | |
92133 |
Imaging of optic nerve | 163 | 123 | $45 | |
92004 |
New patient complete exam of visual system | 67 | 67 | $185 | |
66984 |
Removal of cataract with insertion of prosthetic lens | 56 | 41 | $644 | |
92134 |
Imaging of retina | 56 | 54 | $50 | |
92083 |
Exam of visual field with extended testing | 47 | 47 | $80 | |
76519 |
Ultrasound scan to determine eye length and lens power | 44 | 42 | $86 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 32 | 29 | $107 | |
92250 |
Photography of the retina | 24 | 23 | $46 |
In context: peer comparison
Among 3 peers in Fremont Ophthalmology Physician, average services per provider: 113. 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 |
|---|---|---|---|
| Abbvie INC. | 1 | $26.08 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,068
Patients
331
Total drug cost
$70,424
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 437 | 96 | $6,855 |
| Timolol Maleate | Generic | 192 | 66 | $2,902 |
| Prednisolone Acetate | Generic | 126 | 69 | $4,400 |
| Ofloxacin | Generic | 78 | 58 | $1,127 |
| Ketorolac Tromethamine | Generic | 61 | 42 | $1,429 |
| Rhopressa (Netarsudil Mesylate) | Brand | 36 | 0 | $13,178 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 31 | 0 | $514 |
| Travoprost | Generic | 28 | 0 | $6,462 |
| Lumigan (Bimatoprost) | Brand | 18 | 0 | $4,761 |
| Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) | Brand | 13 | 0 | $150 |
Frequently asked questions
What is Dr. James Cohn's medical specialty?
Dr. James Cohn practices Ophthalmology Physician in Fremont, CA.
Where does Dr. James Cohn practice?
Dr. James Cohn practices at 3775 Beacon Ave, Fremont, CA 945381465. Office phone: 5107912233.
What is Dr. James Cohn's NPI?
Dr. James Cohn's National Provider Identifier (NPI) is 1043304173, issued by NPPES.
Does Dr. James Cohn accept Medicare assignment?
Yes. Dr. James Cohn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Cohn commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient complete exam of visual system (HCPCS 92014); Imaging of optic nerve (HCPCS 92133). Source: CMS Medicare Physician & Other Practitioners file.