Environ Health Perspect
BenzofuransGastrointestinal MicrobiomeHomeostasis
Dr. Wei Gui, MD
NPI1679980882PAC ID2567727977
- Medicare services, 2024
- 2,484
- Medicare patients, 2024
- 239
- Part D claims, 2024
- 154
- Publications
- 13
- Hospital affiliations
- 1
- Practice address
- 441 N Lakeview Ave, Anaheim, CA 92807
- Practice phone
- Call (714) 279-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southern California Permanente Medical Group
Anaheim, California
Find Dr. Gui's professional email, personal email and mobile number
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Dr. Wei Gui is an ophthalmologist in Anaheim, California
Dr. Gui practices at Southern California Permanente Medical Group in Anaheim, California.
Dr. Gui's NPI, 1679980882, was assigned on July 20, 2014. Dr. Gui graduated from Yale School of Medicine in 2014. Dr. Gui holds California license A138872.
NPI and contact details
- NPI
- 1679980882NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567727977
- NPI enumeration date
- July 20, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 279-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- 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)
Dr. Wei Gui practices at Southern California Permanente Medical Group in Anaheim, California
Dr. Gui's primary practice is Southern California Permanente Medical Group, at 441 N Lakeview Ave, Anaheim, CA 92807 in Orange County. The practice phone is (714) 279-4000.
- Southern California Permanente Medical Group441 N Lakeview Ave, Anaheim, CA 92807 · Orange CountyPhone(714) 279-4000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Wei Gui is affiliated with 6 sites of care and 4 medical groups
Dr. Gui's primary practice is Southern California Permanente Medical Group in Anaheim, California. Dr. Gui is also affiliated with Hoag Hospital Newport Beach. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Gui to 3 more group practices and clinics, 3 medical groups and 1 physician office, each named with a free account.
Southern California Permanente Medical GroupPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Wei Gui's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gui practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southern California Permanente Medical Group | Available with a free account |
| +5 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Wei Gui is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Gui's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Gui is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Gui is licensed in California.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
Clinical focus
Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, eyelid inflammation, glaucoma, hypertensive retinopathy, retinal detachment and retinal occlusion among the conditions Dr. Gui treats.
Ophthalmologists near Dr. Gui
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
Dr. Wei Gui billed Medicare for 2,484 services in 2024
CMS data shows 2,484 Medicare services from Dr. Gui across 12 procedure codes in 2024, for 239 Medicare patients. Medicare paid $267,404 for them. Every service was in an office.
Medicare services, 20242,484
Medicare patients239
Paid by Medicare$267,404
Procedure codes12
Dr. Gui's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 9252024: 1,44556%
- Drugs given in the office
- 2023: 482024: 368667%
- Surgery
- 2023: 1902024: 32370%
- Imaging
- 2023: 2072024: 31452%
- Office and hospital visits
- 2023: 212024: 3462%
Dr. Gui compared with the California median for ophthalmologists, 2024
- Dr. Gui
- California median
- Medicare services
- 2,484vs 1,0792.3 times
- Medicare patients
- 239vs 42143% below
- Part D claims
- 106vs 61883% below
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Gui'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.
Need commercial claims for Dr. Gui?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gui and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Wei Gui treated 239 Medicare patients in 2024, average age 76
CMS counts 239 Medicare patients who saw Dr. Gui in 2024. The largest group is 65 to 74, with 107 patients. 75% of them have high cholesterol, and 65% have high blood pressure. 21% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gui's median patient age at 69, with 49% women.
Medicare patients, 2024239
Average age76
Average risk score1.20
Also on Medicaid21%
Dr. Gui's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Gui's Medicare patients by sex, 2024
- Women14259%
- Men9741%
Chronic conditions among Dr. Gui's Medicare patients, 2024
- High cholesterol75%
- High blood pressure65%
- Arthritis45%
- Diabetes27%
- Ischemic heart disease26%
- Osteoporosis22%
- Cancer18%
- Chronic kidney disease18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gui's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women49%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Wei Gui wrote 154 Medicare Part D claims in 2024
In 2024, Dr. Gui wrote 154 Medicare Part D claims for 48 patients. 58% of them were for generic drugs. CMS names the drug for 106 of them, across 3 drugs with 11 or more claims each, at $3,165 in total drug cost. In 2023, CMS named 90 claims across 4 drugs.
Part D claims, 2024154
Drugs named by CMS3
Total drug cost$3,165
Part D patients48
Dr. Gui's Part D claims by kind of drug, 2024
- Generic90 claims58%
- Brand-name64 claims42%
Dr. Gui'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 902024: 10618%
Drugs named by CMS: 3 in 2024, 4 in 2023.
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. Wei Gui takes part in Medicare
Dr. Gui accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Wei Gui has 13 publications on record
Dmand AI links 13 papers to Dr. Gui, published from 2013 to 2024. 2019 was the busiest year, with 2. The most frequent topics are Gastrointestinal Microbiome, Mice, Inbred C57BL and Benzofurans. Dr. Gui has published most often in Gut Microbes. Dr. Gui's most frequent co-authors are Caroline Robyn Baumal, MD, Netan Choudhry, MD and Dean Eliott, MD.
Papers13
Years published2013 to 2024
Dr. Gui's papers by year, 2013 to 2024
Topics Dr. Gui writes about most
- Gastrointestinal Microbiome
- Mice, Inbred C57BL
- Benzofurans
- Cecum
- Bacteria
- Bile Acids and Salts
- Metabolomics
- Persistent Organic Pollutants
Dr. Gui's most frequent co-authors
- Caroline Robyn Baumal, MD1 shared paper
- Netan Choudhry, MD1 shared paper
- Dean Eliott, MD1 shared paper
Recent publications by Dr. Gui
Environmental PollutantsGastrointestinal MicrobiomeMicrobiota
Activation, MetabolicBasic Helix-Loop-Helix Transcription FactorsBenzofurans
See who Dr. Gui researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gui works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Wei Gui received $9,643 in industry payments from 2018 to 2025
CMS Open Payments shows 80 general payments to Dr. Gui from 25 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 63% of the total. Alcon Laboratories Inc paid the most, $4,227.
General payments to Dr. Gui by program year, 2018 to 2025
General payments to Dr. Gui by kind, 2018 to 2025
$9.6Kin total
- Food and beverage$6,08763%
- Speaker and faculty fees$2,75029%
- Travel and lodging$8068%
Companies that paid Dr. Gui the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Wei Gui graduated from Yale School of Medicine
Dr. Gui graduated from Yale School of Medicine in 2014. Dr. Gui is a member of AAO, ASRS and Orange County Society of Ophthalmology.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Wei Gui accepts plans from 9 insurance carriers
Dr. Gui is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Kaiser Permanente
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- United Healthcare
- +1 more carriersWith a free account
Plan types Dr. Gui accepts, by number of carriers
- Medicare8
- PPO7
- HMO4
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Wei Gui's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors 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-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Wei Gui
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. Wei Gui's NPI number?
Dr. Wei Gui's NPI number is 1679980882. It was assigned on July 20, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Wei Gui?
Dr. Wei Gui is an ophthalmologist in Anaheim, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Wei Gui practice?
Dr. Gui practices at 441 N Lakeview Ave, Anaheim, CA 92807. Dr. Gui's primary practice is Southern California Permanente Medical Group in Anaheim, California. Dmand AI also links Dr. Gui to 3 group practices and clinics, 3 medical groups and 1 physician office.
What is Dr. Wei Gui's office phone number?
The practice phone on file for Dr. Gui is (714) 279-4000.
What is Dr. Wei Gui's medical license number?
Dr. Gui holds California license A138872.
Which hospitals is Dr. Wei Gui affiliated with?
Dr. Gui is affiliated with Hoag Hospital Newport Beach.
What medical group is Dr. Wei Gui part of?
Dr. Gui is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Gui to 3 more medical groups.
Does Dr. Wei Gui accept Medicare?
Yes. CMS data shows Dr. Gui billed Medicare for 2,484 services in 2024, and Dr. Gui accepts Medicare assignment.
How many Medicare patients does Dr. Wei Gui see?
CMS counts 239 Medicare patients who saw Dr. Gui in 2024, with an average age of 76.
Is Dr. Wei Gui board certified?
Yes. Dr. Gui is board certified in ophthalmology by the American Board of Ophthalmology.
Show 8 more questionsShow fewer questions
What services does Dr. Wei Gui bill to Medicare?
In 2024, Dr. Gui's most billed Medicare services were eye exam or test (92134), eye exam or test (92201) and surgery: eye (67028).
Where did Dr. Wei Gui go to medical school?
Dr. Gui graduated from Yale School of Medicine in 2014.
What drugs does Dr. Wei Gui prescribe most?
In 2024 Medicare Part D data, Dr. Gui's most prescribed drugs by claims were Prednisolone Acetate, Moxifloxacin and Dorzolamide-Timolol.
Has Dr. Wei Gui received payments from drug or device companies?
CMS Open Payments shows $9,643 in general payments to Dr. Gui from 25 companies from 2018 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. Wei Gui been practicing?
Dr. Gui graduated from medical school in 2014, 12 years ago.
Does Dr. Wei Gui do research?
Dmand AI links 13 publications to Dr. Gui, published from 2013 to 2024.
Who does Dr. Wei Gui publish with?
Dr. Gui's most frequent co-authors are Caroline Robyn Baumal, MD (1 shared paper), Netan Choudhry, MD (1 shared paper) and Dean Eliott, MD (1 shared paper).
What insurance does Dr. Wei Gui accept?
Dr. Gui is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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