Doctor profile · Federal record
Dr. Geraldine Slean
Ophthalmology Physician (CMS: Ophthalmology) · Union City, CA
- NPI 1598185662
- Accepts Medicare
- 12 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3553 Whipple RD Bldg B
Union City, CA 945871507
(510) 675-2020 - Mailing address
-
110 Quintas Ln
Moraga, CA 945561631
Credentials & registration
- NPI registered
- April 2014 — 12 yrs on file
- Profile last updated
- October 22, 2022
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State license (1)
- California #A141033
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598185662. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,641
Distinct HCPCS
10
Medicare allowed
$199,422
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 276 | 245 | $142 | |
92133 |
Imaging of optic nerve | 217 | 210 | $42 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 215 | 193 | $101 | |
92020 |
Exam of the internal drainage system of eye | 117 | 112 | $32 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 87 | 87 | $182 | |
66984 |
Removal of cataract with insertion of prosthetic lens | 84 | 53 | $599 | |
92136 |
Measurement of corneal curvature and depth of eye | 84 | 70 | $46 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 78 | 73 | $200 | |
92012 |
Established patient problem focused exam of visual system | 72 | 69 | $104 | |
76514 |
Ultrasound scan of cornea to determine thickness | 71 | 69 | $12 |
In context: peer comparison
Among 1 peers in Union City Ophthalmology Physician, average services per provider: 82. This provider delivers 20× the peer median.Open Payments
Industry payments received
All-time total
$472
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Alcon Vision LLC | 2 | $269.87 | |
| Glaukos Corporation | 1 | $202.16 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
991
Patients
545
Total drug cost
$55,119
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 228 | 110 | $5,461 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 157 | 77 | $6,177 |
| Prednisolone Acetate | Generic | 149 | 103 | $8,846 |
| Ofloxacin | Generic | 101 | 70 | $1,520 |
| Erythromycin (Erythromycin Base) | Brand | 100 | 72 | $1,654 |
| Brimonidine Tartrate | Generic | 75 | 37 | $1,835 |
| Dorzolamide Hcl | Generic | 29 | 0 | $1,007 |
| Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) | Brand | 28 | 25 | $459 |
| Olopatadine Hcl | Generic | 28 | 15 | $973 |
| Diclofenac Sodium | Generic | 19 | 12 | $274 |
Hospital affiliations
Frequently asked questions
What is Dr. Geraldine Slean's medical specialty?
Dr. Geraldine Slean practices Ophthalmology Physician in Union City, CA.
Where does Dr. Geraldine Slean practice?
Dr. Geraldine Slean practices at 3553 Whipple RD Bldg B, Union City, CA 945871507. Office phone: 5106752020.
What is Dr. Geraldine Slean's NPI?
Dr. Geraldine Slean's National Provider Identifier (NPI) is 1598185662, issued by NPPES.
Does Dr. Geraldine Slean accept Medicare assignment?
Yes. Dr. Geraldine Slean accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Geraldine Slean commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Imaging of optic nerve (HCPCS 92133); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.