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Dr. Dilys J. Bart, MD
NPI1598843963PAC ID3678513462
- Medicare services, 2024
- 702
- Medicare patients, 2024
- 319
- Part D claims, 2024
- 722
- Publications
- 1
- MIPS score, 2024
- 75
- Practice address
- 2100 Webster St, San Francisco, CA 94115
- Practice phone
- Call (415) 972-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Brown & Toland Medical Group
San Francisco, California
Find Dr. Bart's professional email, personal email and mobile number
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Dr. Dilys J. Bart is an ophthalmologist in San Francisco, California
Dr. Bart practices at Brown & Toland Medical Group in San Francisco, California.
Dr. Bart's NPI, 1598843963, was assigned on November 1, 2006. Dr. Bart graduated from UCSF School of Medicine in 1993. Dr. Bart holds California license G839841.
NPI and contact details
- NPI
- 1598843963NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678513462
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 972-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Dilys J. Bart practices at Brown & Toland Medical Group in San Francisco, California
Dr. Bart's primary practice is Brown & Toland Medical Group, at 2100 Webster St, San Francisco, CA 94115 in San Francisco County. The practice phone is (415) 972-6000.
- Brown & Toland Medical Group2100 Webster St, San Francisco, CA 94115 · San Francisco CountyPhone(415) 972-6000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Dilys J. Bart is affiliated with 3 sites of care and 1 medical group
Dr. Bart's primary practice is Brown & Toland Medical Group in San Francisco, California. Dr. Bart is also affiliated with California Pacific Medical Center Van Ness Campus. Dmand AI also links Dr. Bart to 1 more group practice or clinic and 1 medical group, each named with a free account.
Brown & Toland Medical GroupPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Dilys J. Bart's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bart practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brown & Toland Medical Group | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Dilys J. Bart is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Bart's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Bart is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Bart is licensed in California.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
Clinical focus
Dmand AI lists age-related macular degeneration, conjunctivitis, eye infection or inflammation, eyelid inflammation, glaucoma, glaucoma surgery, hereditary corneal conditions and inflammation of iris among the conditions Dr. Bart treats.
Ophthalmologists near Dr. Bart
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. Dilys J. Bart billed Medicare for 702 services in 2024
CMS data shows 702 Medicare services from Dr. Bart across 6 procedure codes in 2024, for 319 Medicare patients. Medicare paid $61,981 for them. Every service was in an office.
Medicare services, 2024702
Medicare patients319
Paid by Medicare$61,981
Procedure codes6
Dr. Bart's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 7282024: 6856%
- Imaging
- 2023: 142024: 1721%
Dr. Bart compared with the California median for ophthalmologists, 2024
- Dr. Bart
- California median
- Medicare services
- 702vs 1,07935% below
- Medicare patients
- 319vs 42124% below
- Part D claims
- 643vs 618Close to median
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Bart'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. Bart?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bart and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Dilys J. Bart treated 319 Medicare patients in 2024, average age 76
CMS counts 319 Medicare patients who saw Dr. Bart in 2024. The largest group is 65 to 74, with 133 patients. 71% of them have high cholesterol, and 56% have high blood pressure. 4% are also on Medicaid. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Bart's median patient age at 69, with 56% women.
Medicare patients, 2024319
Average age76
Average risk score0.95
Also on Medicaid4%
Dr. Bart's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Bart's Medicare patients by sex, 2024
- Women18658%
- Men13342%
Chronic conditions among Dr. Bart's Medicare patients, 2024
- High cholesterol71%
- High blood pressure56%
- Arthritis37%
- Diabetes18%
- Ischemic heart disease18%
- Cancer17%
- Chronic kidney disease16%
- Osteoporosis15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bart'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
- Women56%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Dilys J. Bart wrote 722 Medicare Part D claims in 2024
In 2024, Dr. Bart wrote 722 Medicare Part D claims for 139 patients. 40% of them were for generic drugs. CMS names the drug for 643 of them, across 14 drugs with 11 or more claims each, at $103,188 in total drug cost. In 2023, CMS named 664 claims across 14 drugs.
Part D claims, 2024722
Drugs named by CMS14
Total drug cost$103,188
Part D patients139
Dr. Bart's Part D claims by kind of drug, 2024
- Generic287 claims40%
- Brand-name435 claims60%
Dr. Bart'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: 6642024: 6433%
Drugs named by CMS: 14 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
Dr. Dilys J. Bart scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Bart for performance year 2024, reported individually. Dr. Bart accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Dilys J. Bart has 1 publication on record
Dmand AI links 1 paper to Dr. Bart.
Papers1
Recent publications by Dr. Bart
See who Dr. Bart researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Bart 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. Dilys J. Bart received $1,294 in industry payments from 2017 to 2025
CMS Open Payments shows 24 general payments to Dr. Bart from 9 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 72% of the total. Alcon Laboratories Inc paid the most, $576.
General payments to Dr. Bart by program year, 2017 to 2025
General payments to Dr. Bart by kind, 2017 to 2025
$1.3Kin total
- Food and beverage$93272%
- Travel and lodging$36228%
Companies that paid Dr. Bart the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Dilys J. Bart has 1 award and honors on record
Dmand AI lists 1 award for Dr. Bart.
Awards and honors for Dr. Bart
- Undated
- AAO Fellow
Source: Dmand AI Professional Profile Data
Dr. Dilys J. Bart graduated from UCSF School of Medicine
Dr. Bart graduated from UCSF School of Medicine in 1993. Dr. Bart is a member of AAO.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Dilys J. Bart accepts plans from 13 insurance carriers
Dr. Bart is in network with 13 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- HCSC
- Regence Health Plans
- Alliant Health Plans
- +5 more carriersWith a free account
Plan types Dr. Bart accepts, by number of carriers
- PPO8
- HMO6
- Medicare6
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Dilys J. Bart'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)Clinician Public Reporting: Overall MIPS Performance (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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Dilys J. Bart
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. Dilys J. Bart's NPI number?
Dr. Dilys J. Bart's NPI number is 1598843963. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Dilys J. Bart?
Dr. Dilys J. Bart is an ophthalmologist in San Francisco, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Dilys J. Bart practice?
Dr. Bart practices at 2100 Webster St, San Francisco, CA 94115. Dr. Bart's primary practice is Brown & Toland Medical Group in San Francisco, California. Dmand AI also links Dr. Bart to 1 group practice or clinic and 1 medical group.
What is Dr. Dilys J. Bart's office phone number?
The practice phone on file for Dr. Bart is (415) 972-6000.
What is Dr. Dilys J. Bart's medical license number?
Dr. Bart holds California license G839841.
Which hospitals is Dr. Dilys J. Bart affiliated with?
Dr. Bart is affiliated with California Pacific Medical Center Van Ness Campus.
Does Dr. Dilys J. Bart accept Medicare?
Yes. CMS data shows Dr. Bart billed Medicare for 702 services in 2024, and Dr. Bart accepts Medicare assignment.
What is Dr. Dilys J. Bart's MIPS score?
Dr. Bart's MIPS final score for performance year 2024 is 75 out of 100, reported individually.
How many Medicare patients does Dr. Dilys J. Bart see?
CMS counts 319 Medicare patients who saw Dr. Bart in 2024, with an average age of 76.
Is Dr. Dilys J. Bart board certified?
Yes. Dr. Bart is board certified in ophthalmology by the American Board of Ophthalmology.
Show 7 more questionsShow fewer questions
What services does Dr. Dilys J. Bart bill to Medicare?
In 2024, Dr. Bart's most billed Medicare services were eye exam or test (92014), eye exam or test (92083) and eye exam or test (92012).
Where did Dr. Dilys J. Bart go to medical school?
Dr. Bart graduated from UCSF School of Medicine in 1993.
What drugs does Dr. Dilys J. Bart prescribe most?
In 2024 Medicare Part D data, Dr. Bart's most prescribed drugs by claims were Latanoprost, Timolol Maleate and Brimonidine Tartrate.
Has Dr. Dilys J. Bart received payments from drug or device companies?
CMS Open Payments shows $1,294 in general payments to Dr. Bart from 9 companies from 2017 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. Dilys J. Bart been practicing?
Dr. Bart graduated from medical school in 1993, 33 years ago.
Does Dr. Dilys J. Bart do research?
Dmand AI links 1 publication to Dr. Bart.
What insurance does Dr. Dilys J. Bart accept?
Dr. Bart is in network with 13 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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