Geraldine Slean

  • Vacaville, CA
  • Ophthalmologist
NPI1598185662PAC ID9335474089
Medicare services, 2024
2,064
Medicare patients, 2024
753
Part D claims, 2024
1,239
Publications
9
Hospital affiliations
5
Practice address
200 Bella Vista Rd, Vacaville, CA 95687
Practice phone
Call (800) 470-0071
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Sutter Valley Medical Foundation

Vacaville, California

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Geraldine Slean is an ophthalmologist in Vacaville, California

Geraldine Slean practices at Sutter Valley Medical Foundation in Vacaville, California.

Geraldine Slean's NPI, 1598185662, was assigned on April 16, 2014. Geraldine Slean graduated from UCSF School of Medicine in 2014. Geraldine Slean holds California license A141033.

NPI and contact details
Medicare PAC ID
9335474089
NPI enumeration date
April 16, 2014
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(800) 470-0071
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
38
Medical school graduation
2014

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Geraldine Slean practices at Sutter Valley Medical Foundation in Vacaville, California

Geraldine Slean's primary practice is Sutter Valley Medical Foundation, at 200 Bella Vista Rd, Vacaville, CA 95687 in Solano County. The practice phone is (800) 470-0071.

  • Sutter Valley Medical Foundation
    200 Bella Vista Rd, Vacaville, CA 95687 · Solano CountyPhone(800) 470-0071

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Geraldine Slean is affiliated with 8 sites of care and 2 medical groups

Geraldine Slean's primary practice is Sutter Valley Medical Foundation in Vacaville, California. Geraldine Slean is also affiliated with Sutter Medical Center, Sacramento. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Geraldine Slean to 4 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 10 affiliations for Geraldine Slean

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Geraldine Slean's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Geraldine Slean practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sutter Valley Medical FoundationAvailable with a free account
+7 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Geraldine Slean is one of 2,621 ophthalmologists in California

Ophthalmology is Geraldine Slean's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Geraldine Slean is board certified in ophthalmology by the American Board of Ophthalmology. Geraldine Slean is licensed in California.

Specialties and state licenses

  • Ophthalmology, CaliforniaPrimaryLicense A141033 · 2016 to 2026 · taxonomy 207W00000X

Clinical focus

Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, conjunctivitis, dry eye, eyelid inflammation, glaucoma and glaucoma surgery among the conditions Geraldine Slean treats.

Ophthalmologists near Geraldine Slean

Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.

2,621ophthalmologists in California
3ophthalmologists in Vacaville

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Geraldine Slean billed Medicare for 2,064 services in 2024

CMS data shows 2,064 Medicare services from Geraldine Slean across 16 procedure codes in 2024, for 753 Medicare patients. Medicare paid $176,930 for them.

Medicare services, 20242,064
Medicare patients753
Paid by Medicare$176,930
Procedure codes16

Geraldine Slean's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 7692024: 1,10944%
Tests and treatments
2023: 7062024: 7638%
Surgery
2023: 952024: 12127%
Imaging
2023: 712024: 71No change

Where Geraldine Slean's Medicare services took place, 2024

  • In an office1,96795%
  • In a facility975%

Geraldine Slean compared with the California median for ophthalmologists, 2024

  • Geraldine Slean
  • California median
Medicare services
2,064vs 1,07991% above
Medicare patients
753vs 42179% above
Part D claims
1,156vs 61887% above

Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.

Geraldine Slean's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Geraldine Slean

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Geraldine Slean treated 753 Medicare patients in 2024, average age 76

CMS counts 753 Medicare patients who saw Geraldine Slean in 2024. The largest group is 65 to 74, with 307 patients. 66% of them have high blood pressure, and 62% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Geraldine Slean's median patient age at 68, with 61% women.

Medicare patients, 2024753
Average age76
Average risk score1.24
Also on Medicaid17%

Geraldine Slean's Medicare patients by age, 2024

Geraldine Slean's Medicare patients by sex, 2024

  • Women44058%
  • Men31342%

Chronic conditions among Geraldine Slean's Medicare patients, 2024

  1. High blood pressure66%
  2. High cholesterol62%
  3. Arthritis46%
  4. Diabetes39%
  5. Chronic kidney disease27%
  6. Mood disorders19%
  7. Ischemic heart disease18%
  8. Anxiety16%

Share of Medicare patients with each condition. A patient can have several.

Geraldine Slean's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women61%
  • Men38%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Geraldine Slean wrote 1,239 Medicare Part D claims in 2024

In 2024, Geraldine Slean wrote 1,239 Medicare Part D claims for 420 patients. 64% of them were for generic drugs. CMS names the drug for 1,156 of them, across 15 drugs with 11 or more claims each, at $91,078 in total drug cost. In 2023, CMS named 991 claims across 15 drugs.

Part D claims, 20241,239
Drugs named by CMS15
Total drug cost$91,078
Part D patients420

Geraldine Slean's Part D claims by kind of drug, 2024

  • Generic792 claims64%
  • Brand-name447 claims36%

Geraldine Slean's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Geraldine Slean's Part D claims, 2024

  • Antibiotics1%12 of 1,239 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 9912024: 1,15617%

Drugs named by CMS: 15 in 2024, 15 in 2023.

See all prescribing by Geraldine Slean

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Geraldine Slean ranks in the 80th percentile for cataract surgery in Medicare

Geraldine Slean accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Geraldine Slean as offering telehealth. CMS counts 156 procedures of cataract surgery by Geraldine Slean, more than 80% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Geraldine Slean ranks in Medicare procedure volume

Cataract surgery
80th percentile156 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Geraldine Slean has 9 publications on record

Dmand AI links 9 papers to Geraldine Slean, published from 2016 to 2017. 2016 was the busiest year, with 2. The most frequent topics are Anti-Bacterial Agents, Cataract Extraction and Endophthalmitis. Geraldine Slean's most frequent co-authors are Judy Ju-Yi Chen, MD, Rahul Khurana, MD and James A. Carolan, MD.

Papers9
Years published2016 to 2017

Topics Geraldine Slean writes about most

  • Anti-Bacterial Agents
  • Cataract Extraction
  • Endophthalmitis

Geraldine Slean's most frequent co-authors

Recent publications by Geraldine Slean

See all 9 publications and co-authors

See who Geraldine Slean researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Geraldine Slean works with, so you can find a warm path to the right ophthalmologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Geraldine Slean received $1,330 in industry payments from 2017 to 2025

CMS Open Payments shows 14 general payments to Geraldine Slean from 6 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $640.

General payments to Geraldine Slean by program year, 2017 to 2025

Companies that paid Geraldine Slean the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Geraldine Slean

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Geraldine Slean graduated from UCSF School of Medicine

Geraldine Slean graduated from UCSF School of Medicine in 2014.

  1. Medical schoolUCSF School of Medicine
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Geraldine Slean accepts plans from 13 insurance carriers

Geraldine Slean is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +5 more carriersWith a free account

Plan types Geraldine Slean accepts, by number of carriers

  1. PPO9
  2. Medicare8
  3. HMO6
  4. EPO4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Geraldine Slean's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Geraldine Slean

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Geraldine Slean's NPI number?

Geraldine Slean's NPI number is 1598185662. It was assigned on April 16, 2014, and it is active in the NPI Registry.

What does Geraldine Slean specialize in?

Geraldine Slean is an ophthalmologist in Vacaville, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Geraldine Slean practice?

Geraldine Slean practices at 200 Bella Vista Rd, Vacaville, CA 95687. Geraldine Slean's primary practice is Sutter Valley Medical Foundation in Vacaville, California. Dmand AI also links Geraldine Slean to 4 hospitals, 2 group practices and clinics and 1 medical group.

What is Geraldine Slean's office phone number?

The practice phone on file for Geraldine Slean is (800) 470-0071.

What is Geraldine Slean's medical license number?

Geraldine Slean holds California license A141033.

Which hospitals is Geraldine Slean affiliated with?

Geraldine Slean is affiliated with Sutter Medical Center, Sacramento. Dmand AI links Geraldine Slean to 4 more hospitals.

What medical group is Geraldine Slean part of?

Geraldine Slean is linked to The Permanente Medical Group, Inc. Dmand AI links Geraldine Slean to 1 more medical group.

Does Geraldine Slean accept Medicare?

Yes. CMS data shows Geraldine Slean billed Medicare for 2,064 services in 2024, and Geraldine Slean accepts Medicare assignment.

Does Geraldine Slean offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Geraldine Slean as offering telehealth services.

How many Medicare patients does Geraldine Slean see?

CMS counts 753 Medicare patients who saw Geraldine Slean in 2024, with an average age of 76.

Show 9 more questionsShow fewer questions

Is Geraldine Slean board certified?

Yes. Geraldine Slean is board certified in ophthalmology by the American Board of Ophthalmology.

What services does Geraldine Slean bill to Medicare?

In 2024, Geraldine Slean's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and eye exam or test (92133).

Where did Geraldine Slean go to medical school?

Geraldine Slean graduated from UCSF School of Medicine in 2014.

What drugs does Geraldine Slean prescribe most?

In 2024 Medicare Part D data, Geraldine Slean's most prescribed drugs by claims were Latanoprost, Prednisolone Acetate and Dorzolamide-Timolol.

Has Geraldine Slean received payments from drug or device companies?

CMS Open Payments shows $1,330 in general payments to Geraldine Slean from 6 companies from 2017 to 2025. The largest total came from Alcon Laboratories Inc.

How long has Geraldine Slean been practicing?

Geraldine Slean graduated from medical school in 2014, 12 years ago.

Does Geraldine Slean do research?

Dmand AI links 9 publications to Geraldine Slean, published from 2016 to 2017.

Who does Geraldine Slean publish with?

Geraldine Slean's most frequent co-authors are Judy Ju-Yi Chen, MD (2 shared papers), Rahul Khurana, MD (2 shared papers) and James A. Carolan, MD (1 shared paper).

What insurance does Geraldine Slean accept?

Geraldine Slean is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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