Dr. David G. Hwang, MD
- Medicare services, 2024
- 1,261
- Medicare patients, 2024
- 455
- Part D claims, 2024
- 1,690
- Publications
- 48
- MIPS score, 2024
- 87
- Practice address
- 505 Parnassus Ave, Box 0296, San Francisco, CA 94143
- Practice phone
- Call (415) 353-2733
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Hwang'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. David G. Hwang is an ophthalmologist in San Francisco, California
Dr. Hwang practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.
Dr. Hwang's NPI, 1346292224, was assigned on May 17, 2006. Dr. Hwang graduated from UCSF School of Medicine in 1984. Dr. Hwang's California license number on file is G56748.
- NPI
- 1346292224NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072542265
- NPI enumeration date
- May 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 353-2733
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David G. Hwang practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California
Dr. Hwang's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights, at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143 in San Francisco County. The practice phone is (415) 353-2733.
- UCSF Helen Diller Medical Center at Parnassus Heights505 Parnassus Ave, Box 0296, San Francisco, CA 94143 · San Francisco CountyPhone(415) 353-2733
Source: Dmand AI Affiliation Data
Dr. David G. Hwang is affiliated with 5 sites of care and 4 medical groups
Dr. Hwang's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. The medical group on file is UCSF Pediatrics. Dmand AI also links Dr. Hwang to 4 more group practices and clinics and 3 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David G. Hwang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hwang practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSF Helen Diller Medical Center at Parnassus Heights | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across University of California Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. David G. Hwang is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Hwang's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Hwang is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Hwang has a license on file in California.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
Clinical focus
Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, cold sores or genital herpes, dry eye, eye infection or inflammation, glaucoma and glaucoma surgery among the conditions Dr. Hwang treats.
Ophthalmologists near Dr. Hwang
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. David G. Hwang billed Medicare for 1,261 services in 2024
CMS data shows 1,261 Medicare services from Dr. Hwang across 13 procedure codes in 2024, for 455 Medicare patients. Medicare paid $149,815 for them.
Dr. Hwang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5312024: 5677%
- Tests and treatments
- 2023: 4282024: 30728%
- Imaging
- 2023: 3372024: 23530%
- Surgery
- 2023: 1802024: 15216%
- Other services
- 2023: 192024: 0100%
Where Dr. Hwang's Medicare services took place, 2024
- In an office47938%
- In a facility78262%
Dr. Hwang compared with the California median for ophthalmologists, 2024
- Dr. Hwang
- California median
- Medicare services
- 1,261vs 1,07917% above
- Medicare patients
- 455vs 4218% above
- Part D claims
- 1,549vs 6182.5 times
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Hwang'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. Hwang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hwang and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David G. Hwang treated 455 Medicare patients in 2024, average age 77
CMS counts 455 Medicare patients who saw Dr. Hwang in 2024. The largest group is 75 to 84, with 211 patients. 74% of them have high cholesterol, and 65% have high blood pressure. 16% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hwang's median patient age at 77, with 57% women.
Dr. Hwang's Medicare patients by age, 2024
Dr. Hwang's Medicare patients by sex, 2024
- Women26358%
- Men19242%
Chronic conditions among Dr. Hwang's Medicare patients, 2024
- High cholesterol74%
- High blood pressure65%
- Arthritis40%
- Osteoporosis23%
- Diabetes22%
- Chronic kidney disease20%
- Ischemic heart disease18%
- Atrial fibrillation16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hwang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David G. Hwang wrote 1,690 Medicare Part D claims in 2024
In 2024, Dr. Hwang wrote 1,690 Medicare Part D claims for 332 patients. 54% of them were for generic drugs. CMS names the drug for 1,549 of them, across 16 drugs with 11 or more claims each, at $83,033 in total drug cost. In 2023, CMS named 1,907 claims across 20 drugs.
Dr. Hwang's Part D claims by kind of drug, 2024
- Generic913 claims54%
- Brand-name777 claims46%
Dr. Hwang'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: 1,9072024: 1,54919%
Drugs named by CMS: 16 in 2024, 20 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. David G. Hwang scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Hwang for performance year 2024, reported as part of a group. Dr. Hwang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 77 procedures of cataract surgery by Dr. Hwang, more than 70% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Hwang's MIPS scores, performance year 2024
- 87of 100Final score
- 86.8of 100Quality
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Hwang ranks in Medicare procedure volume
- Cataract surgery
- 70th percentile77 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. David G. Hwang has 48 publications on record
Dmand AI links 48 papers to Dr. Hwang, published from 2006 to 2024. 2012 was the busiest year, with 2. The most frequent topics are Cornea, Corneal Stroma and Keratitis. Dr. Hwang has published most often in Am J Ophthalmol. Dr. Hwang's most frequent co-authors are Matilda F. Chan, MD, PhD, Jennifer Ruth Rose-Nussbaumer, MD and Frank Lewis Brodie, MD.
Dr. Hwang's papers by year, 2006 to 2024
Topics Dr. Hwang writes about most
- Cornea
- Corneal Stroma
- Keratitis
- Keratomileusis, Laser In Situ
- Endothelium, Corneal
- Visual Acuity
- Corneal Neovascularization
- Keratoplasty, Penetrating
Dr. Hwang's most frequent co-authors
- Matilda F. Chan, MD, PhD4 shared papers
- Jennifer Ruth Rose-Nussbaumer, MD3 shared papers
- Frank Lewis Brodie, MD2 shared papers
Recent publications by Dr. Hwang
J Racial Ethn Health Disparities
J Racial Ethn Health Disparities
Sci Rep
See who Dr. Hwang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hwang 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. David G. Hwang received $39,944 in industry payments from 2016 to 2023
CMS Open Payments shows 22 general payments to Dr. Hwang from 4 drug and device companies from 2016 to 2023. Consulting fees make up the largest share, 81% of the total. Shire North American Group Inc paid the most, $39,591.
General payments to Dr. Hwang by program year, 2016 to 2023
General payments to Dr. Hwang by kind, 2016 to 2023
- Consulting fees$32,51381%
- Speaker and faculty fees$5,95015%
- Travel and lodging$9102%
- Food and beverage$5721%
Companies that paid Dr. Hwang the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David G. Hwang has 4 awards and honors on record
Dmand AI lists 4 awards for Dr. Hwang, most recently Regional Top Doctor in 2014.
Awards and honors for Dr. Hwang
- 2014
- Regional Top Doctor
- 2013
- CMS Stage 1 EHR
- Undated
- America's Best Doctors
- Super Doc
Source: Dmand AI Professional Profile Data
Dr. David G. Hwang graduated from UCSF School of Medicine
Dr. Hwang graduated from UCSF School of Medicine in 1984.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. David G. Hwang accepts plans from 11 insurance carriers
Dr. Hwang is in network with 11 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- United Healthcare
- +3 more carriersWith a free account
Plan types Dr. Hwang accepts, by number of carriers
- Medicare10
- PPO8
- EPO4
- HMO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. David G. Hwang'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)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. David G. Hwang
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. David G. Hwang's NPI number?
Dr. David G. Hwang's NPI number is 1346292224. It was assigned on May 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David G. Hwang?
Dr. David G. Hwang is an ophthalmologist in San Francisco, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. David G. Hwang practice?
Dr. Hwang practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Dr. Hwang's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dmand AI also links Dr. Hwang to 4 group practices and clinics and 3 medical groups.
What is Dr. David G. Hwang's office phone number?
The practice phone on file for Dr. Hwang is (415) 353-2733.
What is Dr. David G. Hwang's medical license number?
Dr. Hwang's California license number on file is G56748.
Which hospitals is Dr. David G. Hwang affiliated with?
Dr. Hwang practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California.
What medical group is Dr. David G. Hwang part of?
Dr. Hwang is linked to UCSF Pediatrics. Dmand AI links Dr. Hwang to 3 more medical groups.
Does Dr. David G. Hwang accept Medicare?
Yes. CMS data shows Dr. Hwang billed Medicare for 1,261 services in 2024, and Dr. Hwang accepts Medicare assignment.
What is Dr. David G. Hwang's MIPS score?
Dr. Hwang's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
How many Medicare patients does Dr. David G. Hwang see?
CMS counts 455 Medicare patients who saw Dr. Hwang in 2024, with an average age of 77.
Show 9 more questionsShow fewer questions
Is Dr. David G. Hwang board certified?
Yes. Dr. Hwang is board certified in ophthalmology by the American Board of Ophthalmology.
What services does Dr. David G. Hwang bill to Medicare?
In 2024, Dr. Hwang's most billed Medicare services were office visit, established patient (99214), ultrasound (76514) and office visit, established patient (99215).
Where did Dr. David G. Hwang go to medical school?
Dr. Hwang graduated from UCSF School of Medicine in 1984.
What drugs does Dr. David G. Hwang prescribe most?
In 2024 Medicare Part D data, Dr. Hwang's most prescribed drugs by claims were Prednisolone Acetate, Fluorometholone and Latanoprost.
Has Dr. David G. Hwang received payments from drug or device companies?
CMS Open Payments shows $39,944 in general payments to Dr. Hwang from 4 companies from 2016 to 2023. The largest total came from Shire North American Group Inc.
How long has Dr. David G. Hwang been practicing?
Dr. Hwang graduated from medical school in 1984, 42 years ago.
Does Dr. David G. Hwang do research?
Dmand AI links 48 publications to Dr. Hwang, published from 2006 to 2024.
Who does Dr. David G. Hwang publish with?
Dr. Hwang's most frequent co-authors are Matilda F. Chan, MD, PhD (4 shared papers), Jennifer Ruth Rose-Nussbaumer, MD (3 shared papers) and Frank Lewis Brodie, MD (2 shared papers).
What insurance does Dr. David G. Hwang accept?
Dr. Hwang is in network with 11 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
Selling to ophthalmology practices?
See ophthalmologists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card