Dr. Frank Xiaoyu Cao, MD

  • Stockton, CA
  • Glaucoma specialist (ophthalmology) physician
NPI1366703969PAC ID0143599027
Medicare services, 2024
681
Medicare patients, 2024
392
Part D claims, 2024
1,783
Publications
2
Hospital affiliations
1
Practice address
7373 West Ln, Stockton, CA 95210
Practice phone
Call (209) 476-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Permanente Medical Group Inc

Stockton, California

See all 4 affiliations

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Dr. Frank Xiaoyu Cao is a glaucoma specialist (ophthalmology) physician in Stockton, California

Dr. Cao practices at Permanente Medical Group Inc in Stockton, California.

Dr. Cao's NPI, 1366703969, was assigned on May 31, 2012. Dr. Cao graduated from Wayne State University School Of Medicine in 2012. Dr. Cao's California license number on file is C192192.

NPI and contact details
Medicare PAC ID
0143599027
NPI enumeration date
May 31, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(209) 476-2000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
40
Medical school graduation
2012

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

Dr. Frank Xiaoyu Cao practices at Permanente Medical Group Inc in Stockton, California

Dr. Cao's primary practice is Permanente Medical Group Inc, at 7373 West Ln, Stockton, CA 95210 in San Joaquin County. The practice phone is (209) 476-2000.

  • Permanente Medical Group Inc
    7373 West Ln, Stockton, CA 95210 · San Joaquin CountyPhone(209) 476-2000

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

Dr. Frank Xiaoyu Cao is affiliated with 3 sites of care and 1 medical group

Dr. Cao's primary practice is Permanente Medical Group Inc in Stockton, California. Dr. Cao is also affiliated with Manteca Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Cao to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Cao

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

Dmand AI tracks the EHR system at Dr. Frank Xiaoyu Cao's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cao practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Permanente Medical Group IncAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Frank Xiaoyu Cao is one of 66 glaucoma specialist (ophthalmology) physicians in California

Glaucoma specialist is Dr. Cao's primary specialty in the NPI Registry, under taxonomy code 207WX0009X. Dr. Cao is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Cao's licenses on file in 5 states: California, Michigan, Missouri, Kansas and New York.

Specialties and state licenses

  • Glaucoma specialist (ophthalmology), CaliforniaPrimaryLicense C192192 · 2023 to 2025 · taxonomy 207WX0009X
  • Michigan license2012 to 2025
  • Missouri license2017 to 2020
  • Kansas license2017 to 2019
  • New York license2015 to 2018

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 Dr. Cao treats.

Glaucoma specialist (ophthalmology) physicians near Dr. Cao

Counts of glaucoma specialist (ophthalmology) physicians with a Dmand AI profile, by place and practice. Each opens the list.

66glaucoma specialist (ophthalmology) physicians in California
3glaucoma specialist (ophthalmology) physicians in Stockton

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

Dr. Frank Xiaoyu Cao billed Medicare for 681 services in 2024

CMS data shows 681 Medicare services from Dr. Cao across 13 procedure codes in 2024, for 392 Medicare patients. Medicare paid $42,268 for them.

Medicare services, 2024681
Medicare patients392
Paid by Medicare$42,268
Procedure codes13

Dr. Cao's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1,5782024: 36777%
Tests and treatments
2023: 1,2852024: 23182%
Surgery
2023: 2432024: 6573%
Lab and pathology
2023: 1462024: 1888%
Imaging
2023: 762024: 0100%

Where Dr. Cao's Medicare services took place, 2024

  • In an office63593%
  • In a facility467%

Dr. Cao compared with the California median for glaucoma specialist (ophthalmology) physicians, 2024

  • Dr. Cao
  • California median
Medicare services
681vs 1,06936% below
Medicare patients
392vs 381Close to median
Part D claims
1,646vs 1,7446% below

Medians across 66 glaucoma specialist (ophthalmology) physicians in California with Dmand AI profiles that report each measure.

Dr. Cao'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 Dr. Cao

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Cao and other glaucoma specialist (ophthalmology) physicians in California.

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

Dr. Frank Xiaoyu Cao treated 392 Medicare patients in 2024, average age 77

CMS counts 392 Medicare patients who saw Dr. Cao in 2024. The largest group is 75 to 84, with 164 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 4% are also on Medicaid. Their average risk score is 1.13, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Cao's median patient age at 66, with 52% women.

Medicare patients, 2024392
Average age77
Average risk score1.13
Also on Medicaid4%

Dr. Cao's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Cao's Medicare patients by sex, 2024

  • Women25966%
  • Men13334%

Chronic conditions among Dr. Cao's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis48%
  4. Diabetes33%
  5. Ischemic heart disease31%
  6. Chronic kidney disease22%
  7. Mood disorders21%
  8. Anxiety20%

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

Dr. Cao's patients across all payers

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

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women52%
  • Men48%

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

Dr. Frank Xiaoyu Cao wrote 1,783 Medicare Part D claims in 2024

In 2024, Dr. Cao wrote 1,783 Medicare Part D claims for 773 patients. 67% of them were for generic drugs. CMS names the drug for 1,646 of them, across 26 drugs with 11 or more claims each, at $140,046 in total drug cost. In 2023, CMS named 2,221 claims across 24 drugs.

Part D claims, 20241,783
Drugs named by CMS26
Total drug cost$140,046
Part D patients773

Dr. Cao's Part D claims by kind of drug, 2024

  • Generic1,187 claims67%
  • Brand-name596 claims33%

Dr. Cao'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 Dr. Cao's Part D claims, 2024

  • Antibiotics1%20 of 1,783 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: 2,2212024: 1,64626%

Drugs named by CMS: 26 in 2024, 24 in 2023.

See all prescribing by Dr. Cao

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

How Dr. Frank Xiaoyu Cao takes part in Medicare

Dr. Cao accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Frank Xiaoyu Cao has 2 publications on record

Dmand AI links 2 papers to Dr. Cao, published from 2010 to 2025.

Papers2
Years published2010 to 2025

Recent publications by Dr. Cao

See all 2 publications and co-authors

See who Dr. Cao researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Cao works with, so you can find a warm path to the right glaucoma specialist (ophthalmology) physicians.

How network discovery works

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

Dr. Frank Xiaoyu Cao received $2,534 in industry payments from 2016 to 2025

CMS Open Payments shows 66 general payments to Dr. Cao from 20 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. Alcon Laboratories Inc paid the most, $518.

General payments to Dr. Cao by program year, 2016 to 2025

General payments to Dr. Cao by kind, 2016 to 2025

$2.5Kin total
  • Food and beverage$2,42296%
  • Education$1124%

Companies that paid Dr. Cao the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Cao

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

Dr. Frank Xiaoyu Cao graduated from Wayne State University School Of Medicine

Dr. Cao graduated from Wayne State University School Of Medicine in 2012. Dr. Cao is a member of AAO, AMA and ASCRS.

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

Source: Dmand AI Professional Profile Data

Dr. Frank Xiaoyu Cao accepts plans from 20 insurance carriers

Dr. Cao is in network with 20 carriers, including Aetna, Blue Cross Blue Shield of Michigan and HCSC. HMO plans come from the most carriers, 13. Check the plan with the practice before a visit.

Plan types Dr. Cao accepts, by number of carriers

  1. HMO13
  2. PPO10
  3. Medicare8
  4. POS7
  5. EPO5

Source: Dmand AI Insurance Network Data

Sources for Dr. Frank Xiaoyu Cao'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)
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 Dr. Frank Xiaoyu Cao

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

What is Dr. Frank Xiaoyu Cao's NPI number?

Dr. Frank Xiaoyu Cao's NPI number is 1366703969. It was assigned on May 31, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. Frank Xiaoyu Cao?

Dr. Frank Xiaoyu Cao is a glaucoma specialist (ophthalmology) physician in Stockton, California. The primary specialty in the NPI Registry is Glaucoma Specialist (Ophthalmology) Physician (taxonomy code 207WX0009X).

Where does Dr. Frank Xiaoyu Cao practice?

Dr. Cao practices at 7373 West Ln, Stockton, CA 95210. Dr. Cao's primary practice is Permanente Medical Group Inc in Stockton, California. Dmand AI also links Dr. Cao to 1 group practice or clinic.

What is Dr. Frank Xiaoyu Cao's office phone number?

The practice phone on file for Dr. Cao is (209) 476-2000.

What is Dr. Frank Xiaoyu Cao's medical license number?

Dr. Cao's California license number on file is C192192, one of the licenses on file in 5 states.

Which states has Dr. Frank Xiaoyu Cao been licensed in?

Dmand AI has state licenses on file for Dr. Cao in California (2023 to 2025), Michigan (2012 to 2025), Missouri (2017 to 2020), Kansas (2017 to 2019) and New York (2015 to 2018).

Which hospitals is Dr. Frank Xiaoyu Cao affiliated with?

Dr. Cao is affiliated with Manteca Medical Center.

What medical group is Dr. Frank Xiaoyu Cao part of?

Dr. Cao is linked to The Permanente Medical Group, Inc.

Does Dr. Frank Xiaoyu Cao accept Medicare?

Yes. CMS data shows Dr. Cao billed Medicare for 681 services in 2024, and Dr. Cao accepts Medicare assignment.

How many Medicare patients does Dr. Frank Xiaoyu Cao see?

CMS counts 392 Medicare patients who saw Dr. Cao in 2024, with an average age of 77.

Show 8 more questionsShow fewer questions

Is Dr. Frank Xiaoyu Cao board certified?

Yes. Dr. Cao is board certified in ophthalmology by the American Board of Ophthalmology.

What services does Dr. Frank Xiaoyu Cao bill to Medicare?

In 2024, Dr. Cao's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and eye exam or test (92083).

Where did Dr. Frank Xiaoyu Cao go to medical school?

Dr. Cao graduated from Wayne State University School Of Medicine in 2012.

What drugs does Dr. Frank Xiaoyu Cao prescribe most?

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

Has Dr. Frank Xiaoyu Cao received payments from drug or device companies?

CMS Open Payments shows $2,534 in general payments to Dr. Cao from 20 companies from 2016 to 2025. The largest total came from Alcon Laboratories Inc.

How long has Dr. Frank Xiaoyu Cao been practicing?

Dr. Cao graduated from medical school in 2012, 14 years ago.

Does Dr. Frank Xiaoyu Cao do research?

Dmand AI links 2 publications to Dr. Cao, published from 2010 to 2025.

What insurance does Dr. Frank Xiaoyu Cao accept?

Dr. Cao is in network with 20 carriers, including Aetna, Blue Cross Blue Shield of Michigan and HCSC. HMO plans come from the most carriers, 13. Check the plan with the practice before a visit.

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