J Refract Surg
AberrometryCorneal PachymetryCorneal Stroma
Dr. John David Au, MD
NPI1629211065PAC ID2062655988
- Medicare services, 2024
- 54
- Medicare patients, 2024
- 67
- Part D claims, 2024
- 1,368
- Publications
- 3
- Hospital affiliations
- 2
- Practice address
- 975 Sereno Dr, Vallejo, CA 94589
- Practice phone
- Call (707) 651-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Au's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John David Au is an ophthalmologist in Vallejo, California
Dr. Au practices at Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente.
Dr. Au's NPI, 1629211065, was assigned on April 15, 2009. Dr. Au graduated from VCU School of Medicine in 2009. Dr. Au's Ohio license number on file is 35.120886.
NPI and contact details
- NPI
- 1629211065NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062655988
- NPI enumeration date
- April 15, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 651-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John David Au practices at Vallejo Medical Center in Vallejo, California
Dr. Au's primary practice is Vallejo Medical Center, at 975 Sereno Dr, Vallejo, CA 94589 in Solano County. The practice phone is (707) 651-1000.
- Vallejo Medical Center975 Sereno Dr, Vallejo, CA 94589 · Solano CountyPhone(707) 651-1000
Source: Dmand AI Affiliation Data
Dr. John David Au is affiliated with 4 sites of care and 1 medical group
Dr. Au's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dr. Au is also affiliated with University Hospitals Cleveland Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Au to 1 more home health agency and 1 hospice, each named with a free account.
University Hospitals Cleveland Medical CenterThe Permanente Medical Group, Inc.1 home health agencyName with a free account1 hospiceName with a free account
See all 5 affiliations for Dr. AuSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John David Au's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Au practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vallejo Medical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John David Au is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Au's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Au is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Au's licenses on file in 2 states: Ohio and California.
Specialties and state licenses
- Ophthalmology, OhioPrimary
- California license
Clinical focus
Dmand AI lists cataract surgery with lens implant and eyelid inflammation among the conditions Dr. Au treats.
Ophthalmologists near Dr. Au
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
2,621ophthalmologists in California29ophthalmologists in Vallejo23ophthalmologists at Vallejo Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John David Au billed Medicare for 54 services in 2024
CMS data shows 54 Medicare services from Dr. Au across 1 procedure code in 2024, for 67 Medicare patients. Medicare paid $1,154 for them. Every service was in an office.
Medicare services, 202454
Medicare patients67
Paid by Medicare$1,154
Procedure codes1
Dr. Au's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 282024: 5493%
Dr. Au compared with the California median for ophthalmologists, 2024
- Dr. Au
- California median
- Medicare services
- 54vs 1,07995% below
- Medicare patients
- 67vs 42184% below
- Part D claims
- 1,283vs 6182.1 times
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Au'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. Au?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Au and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John David Au treated 67 Medicare patients in 2024, average age 67
CMS counts 67 Medicare patients who saw Dr. Au in 2024. The largest group is 65 to 74, with 34 patients. 75% of them have diabetes, and 55% have high blood pressure. 45% are also on Medicaid. Their average risk score is 1.71, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Au's median patient age at 62, with 59% women.
Medicare patients, 202467
Average age67
Average risk score1.71
Also on Medicaid45%
Dr. Au's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Au's Medicare patients by sex, 2024
- Women3451%
- Men3349%
Chronic conditions among Dr. Au's Medicare patients, 2024
- Diabetes75%
- High blood pressure55%
- High cholesterol46%
- Chronic kidney disease27%
- Arthritis24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Au's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John David Au wrote 1,368 Medicare Part D claims in 2024
In 2024, Dr. Au wrote 1,368 Medicare Part D claims for 429 patients. 80% of them were for generic drugs. CMS names the drug for 1,283 of them, across 15 drugs with 11 or more claims each, at $43,346 in total drug cost. In 2023, CMS named 1,175 claims across 14 drugs.
Part D claims, 20241,368
Drugs named by CMS15
Total drug cost$43,346
Part D patients429
Dr. Au's Part D claims by kind of drug, 2024
- Generic1,097 claims80%
- Brand-name271 claims20%
Dr. Au'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. Au's Part D claims, 2024
- Antibiotics1%14 of 1,368 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: 1,1752024: 1,2839%
Drugs named by CMS: 15 in 2024, 14 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. John David Au takes part in Medicare
Dr. Au 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. John David Au has 3 publications on record
Dmand AI links 3 papers to Dr. Au. The most frequent topics are Corneal Stroma, Keratomileusis, Laser In Situ and Surgical Flaps. Dr. Au's most frequent co-authors are William J. Dupps, MD, Justis P. Ehlers, MD and Jeffrey M. Goshe.
Papers3
Topics Dr. Au writes about most
- Corneal Stroma
- Keratomileusis, Laser In Situ
- Surgical Flaps
Dr. Au's most frequent co-authors
Recent publications by Dr. Au
Corneal StromaCorneal TransplantationIntraoperative Period
Arq Bras Oftalmol
Antifungal AgentsAspergillus flavusCornea
See who Dr. Au researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Au 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. John David Au received $144 in industry payments from 2016 to 2025
CMS Open Payments shows 3 general payments to Dr. Au from 3 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $98.
General payments to Dr. Au by program year, 2016 to 2025
Companies that paid Dr. Au the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John David Au graduated from VCU School of Medicine
Dr. Au graduated from VCU School of Medicine in 2009.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. John David Au accepts plans from 2 insurance carriers
Dr. Au is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Au accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. John David Au'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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. John David Au
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. John David Au's NPI number?
Dr. John David Au's NPI number is 1629211065. It was assigned on April 15, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. John David Au?
Dr. John David Au is an ophthalmologist in Vallejo, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. John David Au practice?
Dr. Au practices at 975 Sereno Dr, Vallejo, CA 94589. Dr. Au's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dmand AI also links Dr. Au to 1 home health agency and 1 hospice.
What is Dr. John David Au's office phone number?
The practice phone on file for Dr. Au is (707) 651-1000.
What is Dr. John David Au's medical license number?
Dr. Au's Ohio license number on file is 35.120886, one of the licenses on file in 2 states.
Which states has Dr. John David Au been licensed in?
Dmand AI has state licenses on file for Dr. Au in Ohio (2009 to 2015) and California (2014 to 2027).
Which hospitals is Dr. John David Au affiliated with?
Dr. Au practices at Vallejo Medical Center in Vallejo, California. Dr. Au is also affiliated with University Hospitals Cleveland Medical Center.
What medical group is Dr. John David Au part of?
Dr. Au is linked to The Permanente Medical Group, Inc.
Does Dr. John David Au accept Medicare?
Yes. CMS data shows Dr. Au billed Medicare for 54 services in 2024, and Dr. Au accepts Medicare assignment.
How many Medicare patients does Dr. John David Au see?
CMS counts 67 Medicare patients who saw Dr. Au in 2024, with an average age of 67.
Show 9 more questionsShow fewer questions
Is Dr. John David Au board certified?
Yes. Dr. Au is board certified in ophthalmology by the American Board of Ophthalmology.
What services does Dr. John David Au bill to Medicare?
In 2024, Dr. Au's most billed Medicare services were eye exam or test (92250).
Where did Dr. John David Au go to medical school?
Dr. Au graduated from VCU School of Medicine in 2009.
What drugs does Dr. John David Au prescribe most?
In 2024 Medicare Part D data, Dr. Au's most prescribed drugs by claims were Latanoprost, Prednisolone Acetate and Dorzolamide-Timolol.
Has Dr. John David Au received payments from drug or device companies?
CMS Open Payments shows $144 in general payments to Dr. Au from 3 companies from 2016 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. John David Au been practicing?
Dr. Au graduated from medical school in 2009, 17 years ago.
Does Dr. John David Au do research?
Dmand AI links 3 publications to Dr. Au.
Who does Dr. John David Au publish with?
Dr. Au's most frequent co-authors are William J. Dupps, MD (1 shared paper), Justis P. Ehlers, MD (1 shared paper) and Jeffrey M. Goshe (1 shared paper).
What insurance does Dr. John David Au accept?
Dr. Au is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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