Geraldine Slean
Geraldine Slean is an Ophthalmology specialist based in Union City, CA with over 12 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Geraldine Slean specializes in ophthalmology, serving patients in Union City, CA in group practice. Trained at University of California, San Francisco School of Medicine (class of 2014), she has been practicing for over 12 years. CMS Medicare data shows her patients commonly have hypertension, high cholesterol, and arthritis.
Older · 1309dNPPES updated 2022-10-22 · verify NPI on CMS · Verify license at Medical Board of California
How Does This Doctor Compare?
Generic Rx
↑ Higher = better73.9%
California avg: 83.3 · US avg: 82.8
⚠ Lower than most doctors nationally(-8.9 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
649
Unique beneficiaries
High volumePrescription Recipients
398
Patients prescribed
Prescriptions Written
1,076
Total claims
Total Medicare drug cost: $76k
Percentile rankings compared against 9,360 reporting peers in California.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-2%) — less common here
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-9%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-7%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+6%) — a focus area for this doctor
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ Fewer patients than average (-6%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$472 received from industry
3 transactions reported in 2024 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Geraldine Slean's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2014
University of California, San Francisco School of Medicine
Board certified · Oct 21, 2022
Self-reported via NPPES
12 years in practice
Established
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
Taxonomy: 207W00000X
Education & Training
University of California, San Francisco School of Medicine (Class of 2014)
Mailing address
110 Quintas Ln, Moraga, CA 94556-1631
Differs from practice location
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 190034
View hospital on Medicare Care CompareVirtual Ophthalmology Care With Geraldine Slean
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Geraldine Slean for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Union City required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Geraldine Slean
NPI records show Dr. Slean as active with telehealth listed in Union City, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (510) 675-2020.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Geraldine Slean
Practice Location
3553 Whipple Rd Bldg B, Union City, CA 94587-1507
Mailing Address
110 Quintas Ln, Moraga, CA 94556-1631
This is a provider directory. Contact the office directly to schedule appointments.
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