Sara S. Prasertsit

  • Fremont, CA
  • Ophthalmologist
NPI1730321423PAC ID8527214436
Medicare services, 2024
3,164
Medicare patients, 2024
789
Part D claims, 2024
1,419
Industry payments
$219
Affiliated sites
3
Practice address
3200 Kearney Street, Fremont, CA 94538
Practice phone
Call (510) 498-2812
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Palo Alto Medical Foundation-Fremont Center

Mammography / Breast Imaging Center · Fremont, California

See all 5 affiliations

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Sara S. Prasertsit is an ophthalmologist in Fremont, California

Sara Prasertsit practices at Palo Alto Medical Foundation-Fremont Center in Fremont, California.

Sara Prasertsit's NPI, 1730321423, was assigned on March 27, 2009. Sara Prasertsit graduated from Tufts University School Of Medicine in 2008. Sara Prasertsit's California license number on file is A121344.

NPI and contact details
Medicare PAC ID
8527214436
NPI enumeration date
March 27, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(510) 498-2812
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
44
Medical school graduation
2008

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

Sara S. Prasertsit practices at Palo Alto Medical Foundation-Fremont Center in Fremont, California

Sara Prasertsit's primary practice is Palo Alto Medical Foundation-Fremont Center, at 3200 Kearney Street, Fremont, CA 94538. The practice phone is (510) 498-2812.

  • Palo Alto Medical Foundation-Fremont Center
    3200 Kearney Street, Fremont, CA 94538Phone(510) 498-2812

Source: Dmand AI Affiliation Data

Sara S. Prasertsit is affiliated with 3 sites of care and 2 medical groups

Sara Prasertsit's primary practice is Palo Alto Medical Foundation-Fremont Center in Fremont, California. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Sara Prasertsit to 2 more group practices and clinics and 1 medical group, each named with a free account. Sara Prasertsit's employer is on file too: a breast imaging center.

See all 5 affiliations for Sara Prasertsit

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Sara S. Prasertsit's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Sara Prasertsit practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Palo Alto Medical Foundation-Fremont CenterAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Sara S. Prasertsit is one of 2,621 ophthalmologists in California

Ophthalmology is Sara Prasertsit's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Sara Prasertsit is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Sara Prasertsit's licenses on file in 2 states: California and New Jersey.

Specialties and state licenses

  • Ophthalmology, CaliforniaPrimaryLicense A121344 · 2012 to 2025 · taxonomy 207W00000X
  • New Jersey license2009 to 2013

Clinical focus

Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, cold sores or genital herpes, conjunctivitis, dry eye, eye infection or inflammation and eyelid inflammation among the conditions Sara Prasertsit treats.

Ophthalmologists near Sara Prasertsit

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

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

Sara S. Prasertsit billed Medicare for 3,164 services in 2024

CMS data shows 3,164 Medicare services from Sara Prasertsit across 20 procedure codes in 2024, for 789 Medicare patients. Medicare paid $283,383 for them.

Medicare services, 20243,164
Medicare patients789
Paid by Medicare$283,383
Procedure codes20

Sara Prasertsit's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 1,0752024: 1,23715%
Office and hospital visits
2023: 8962024: 1,03415%
Other services
2023: 02024: 517
Surgery
2023: 2992024: 3259%
Imaging
2023: 352024: 5146%

Where Sara Prasertsit's Medicare services took place, 2024

  • In an office3,01495%
  • In a facility1505%

Sara Prasertsit compared with the California median for ophthalmologists, 2024

  • Sara Prasertsit
  • California median
Medicare services
3,164vs 1,0792.9 times
Medicare patients
789vs 42187% above
Part D claims
1,318vs 6182.1 times

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

Sara Prasertsit'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 Sara Prasertsit

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

Sara S. Prasertsit treated 789 Medicare patients in 2024, average age 75

CMS counts 789 Medicare patients who saw Sara Prasertsit in 2024. The largest group is 65 to 74, with 354 patients. 75% of them have high cholesterol, and 67% have high blood pressure. 17% are also on Medicaid. Their average risk score is 0.98, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Sara Prasertsit's median patient age at 64, with 54% women.

Medicare patients, 2024789
Average age75
Average risk score0.98
Also on Medicaid17%

Sara Prasertsit's Medicare patients by age, 2024

Sara Prasertsit's Medicare patients by sex, 2024

  • Women46259%
  • Men32741%

Chronic conditions among Sara Prasertsit's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure67%
  3. Diabetes44%
  4. Arthritis34%
  5. Chronic kidney disease21%
  6. Ischemic heart disease21%
  7. Osteoporosis20%
  8. Anxiety13%

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

Sara Prasertsit's patients across all payers

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

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women54%
  • Men44%

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

Sara S. Prasertsit wrote 1,419 Medicare Part D claims in 2024

In 2024, Sara Prasertsit wrote 1,419 Medicare Part D claims for 382 patients. 59% of them were for generic drugs. CMS names the drug for 1,318 of them, across 16 drugs with 11 or more claims each, at $78,446 in total drug cost. In 2023, CMS named 1,263 claims across 16 drugs.

Part D claims, 20241,419
Drugs named by CMS16
Total drug cost$78,446
Part D patients382

Sara Prasertsit's Part D claims by kind of drug, 2024

  • Generic837 claims59%
  • Brand-name582 claims41%

Sara Prasertsit'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 Sara Prasertsit's Part D claims, 2024

  • Antibiotics1%11 of 1,419 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: 1,2632024: 1,3184%

Drugs named by CMS: 16 in 2024, 16 in 2023.

See all prescribing by Sara Prasertsit

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

Sara S. Prasertsit ranks in the 88th percentile for cataract surgery in Medicare

Sara Prasertsit accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Sara Prasertsit as offering telehealth. CMS counts 278 procedures of cataract surgery by Sara Prasertsit, more than 88% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Sara Prasertsit ranks in Medicare procedure volume

Cataract surgery
88th percentile278 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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Sara S. Prasertsit received $219 in industry payments from 2017 to 2025

CMS Open Payments shows 5 general payments to Sara Prasertsit from 3 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Glaukos Corporation paid the most, $81.

General payments to Sara Prasertsit by program year, 2017 to 2025

Companies that paid Sara Prasertsit the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Sara Prasertsit

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

Sara S. Prasertsit graduated from Tufts University School Of Medicine

Sara Prasertsit graduated from Tufts University School Of Medicine in 2008.

  1. Medical schoolTufts University School Of Medicine
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Sara S. Prasertsit accepts plans from 11 insurance carriers

Sara Prasertsit is in network with 11 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Alliant Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare
  • +3 more carriersWith a free account

Plan types Sara Prasertsit accepts, by number of carriers

  1. PPO7
  2. HMO6
  3. EPO4
  4. POS4
  5. Medicare3

Source: Dmand AI Insurance Network Data

Sources for Sara S. Prasertsit'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)
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 Sara S. Prasertsit

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

What is Sara S. Prasertsit's NPI number?

Sara S. Prasertsit's NPI number is 1730321423. It was assigned on March 27, 2009, and it is active in the NPI Registry.

What does Sara S. Prasertsit specialize in?

Sara S. Prasertsit is an ophthalmologist in Fremont, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Sara S. Prasertsit practice?

Sara Prasertsit practices at 3200 Kearney Street, Fremont, CA 94538. Sara Prasertsit's primary practice is Palo Alto Medical Foundation-Fremont Center in Fremont, California. Dmand AI also links Sara Prasertsit to 2 group practices and clinics and 1 medical group.

What is Sara S. Prasertsit's office phone number?

The practice phone on file for Sara Prasertsit is (510) 498-2812.

What is Sara S. Prasertsit's medical license number?

Sara Prasertsit's California license number on file is A121344, one of the licenses on file in 2 states.

Which states has Sara S. Prasertsit been licensed in?

Dmand AI has state licenses on file for Sara Prasertsit in California (2012 to 2025) and New Jersey (2009 to 2013).

What medical group is Sara S. Prasertsit part of?

Sara Prasertsit is linked to Palo Alto Foundation Medical Group. Dmand AI links Sara Prasertsit to 1 more medical group.

Does Sara S. Prasertsit accept Medicare?

Yes. CMS data shows Sara Prasertsit billed Medicare for 3,164 services in 2024, and Sara Prasertsit accepts Medicare assignment.

Does Sara S. Prasertsit offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Sara Prasertsit as offering telehealth services.

How many Medicare patients does Sara S. Prasertsit see?

CMS counts 789 Medicare patients who saw Sara Prasertsit in 2024, with an average age of 75.

Show 7 more questionsShow fewer questions

Is Sara S. Prasertsit board certified?

Yes. Sara Prasertsit is board certified in ophthalmology by the American Board of Ophthalmology.

What services does Sara S. Prasertsit bill to Medicare?

In 2024, Sara Prasertsit's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and eye exam or test (92083).

Where did Sara S. Prasertsit go to medical school?

Sara Prasertsit graduated from Tufts University School Of Medicine in 2008.

What drugs does Sara S. Prasertsit prescribe most?

In 2024 Medicare Part D data, Sara Prasertsit's most prescribed drugs by claims were Latanoprost, Prednisolone Acetate and Ketorolac Tromethamine.

Has Sara S. Prasertsit received payments from drug or device companies?

CMS Open Payments shows $219 in general payments to Sara Prasertsit from 3 companies from 2017 to 2025. The largest total came from Glaukos Corporation.

How long has Sara S. Prasertsit been practicing?

Sara Prasertsit graduated from medical school in 2008, 18 years ago.

What insurance does Sara S. Prasertsit accept?

Sara Prasertsit is in network with 11 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

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