JMIR Public Health Surveill
Dr. Grace Lynn Su, MD
- Medicare services, 2024
- 36
- Medicare patients, 2024
- 66
- Part D claims, 2024
- 1,189
- Publications
- 6
- Hospital affiliations
- 1
- Practice address
- 9961 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-3910
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Fontana Medical Center
Fontana, California
Find Dr. Su'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. Grace Lynn Su is an ophthalmologist in Fontana, California
Dr. Su practices at Fontana Medical Center in Fontana, California.
Dr. Su's NPI, 1265994933, was assigned on April 2, 2019. Dr. Su graduated from Lewis Katz School of Medicine in 2019. Dr. Su holds California license A185652.
- NPI
- 1265994933NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183043052
- NPI enumeration date
- April 2, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 427-3910
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Grace Lynn Su practices at Fontana Medical Center in Fontana, California
Dr. Su's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-3910.
- Fontana Medical Center9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-3910
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Grace Lynn Su is affiliated with 2 sites of care and 2 medical groups
Dr. Su's primary practice is Fontana Medical Center in Fontana, California. Dr. Su is also affiliated with Santa Clara Valley Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Su to 1 more medical group, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Grace Lynn Su's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Su practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fontana Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Grace Lynn Su is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Su's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dmand AI has Dr. Su's licenses on file in 2 states: California and Washington.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
- Washington license
Clinical focus
Dmand AI lists dry eye and vision problems among the conditions Dr. Su treats.
Ophthalmologists near Dr. Su
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. Grace Lynn Su billed Medicare for 36 services in 2024
CMS data shows 36 Medicare services from Dr. Su across 2 procedure codes in 2024, for 66 Medicare patients. Medicare paid $3,877 for them. Every service was in an office.
Dr. Su's Medicare services by type, 2024
- Surgery19
- Office and hospital visits17
Dr. Su compared with the California median for ophthalmologists, 2024
- Dr. Su
- California median
- Medicare services
- 36vs 1,07997% below
- Medicare patients
- 66vs 42184% below
- Part D claims
- 1,051vs 61870% above
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Su'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Su and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Grace Lynn Su treated 66 Medicare patients in 2024, average age 77
CMS counts 66 Medicare patients who saw Dr. Su in 2024. The largest group is 75 to 84, with 27 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 32% are also on Medicaid. Their average risk score is 1.72, 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. Su's median patient age at 63, with 62% women.
Dr. Su's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Su's Medicare patients by sex, 2024
- Women3350%
- Men3350%
Chronic conditions among Dr. Su's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Ischemic heart disease36%
- Diabetes35%
- Anxiety32%
- Chronic kidney disease32%
- Atrial fibrillation27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Su's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Grace Lynn Su wrote 1,189 Medicare Part D claims in 2024
In 2024, Dr. Su wrote 1,189 Medicare Part D claims for 393 patients. 47% of them were for generic drugs. CMS names the drug for 1,051 of them, across 21 drugs with 11 or more claims each, at $204,659 in total drug cost. In 2023, CMS named 320 claims across 8 drugs.
Dr. Su's Part D claims by kind of drug, 2024
- Generic555 claims47%
- Brand-name634 claims53%
Dr. Su'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. Su's Part D claims, 2024
- Antibiotics3%38 of 1,189 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: 3202024: 1,051228%
Drugs named by CMS: 21 in 2024, 8 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. Grace Lynn Su takes part in Medicare
Dr. Su 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. Grace Lynn Su has 6 publications on record
Dmand AI links 6 papers to Dr. Su, published from 2017 to 2023. 2019 was the busiest year, with 2. The most frequent topics are Visual Acuity. Dr. Su's most frequent co-authors are Arman Mashayekhi, MD, Lauren A. Dalvin, MD and Colin Froines, MD.
Dr. Su's papers by year, 2017 to 2023
Topics Dr. Su writes about most
- Visual Acuity
Dr. Su's most frequent co-authors
- Arman Mashayekhi, MD2 shared papers
- Lauren A. Dalvin, MD1 shared paper
- Colin Froines, MD1 shared paper
Recent publications by Dr. Su
Ophthalmol Retina
Indian J Ophthalmol
See who Dr. Su researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Su 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. Grace Lynn Su received $2,911 in industry payments from 2023 to 2024
CMS Open Payments shows 24 general payments to Dr. Su from 5 drug and device companies from 2023 to 2024. Travel and lodging make up the largest share, 40% of the total. Bausch & Lomb Americas Inc. paid the most, $2,333.
General payments to Dr. Su by program year, 2023 to 2024
General payments to Dr. Su by kind, 2023 to 2024
- Travel and lodging$1,17140%
- Consulting fees$1,00034%
- Food and beverage$73925%
Companies that paid Dr. Su the most, 2023 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Grace Lynn Su graduated from Lewis Katz School of Medicine
Dr. Su graduated from Lewis Katz School of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Grace Lynn Su accepts plans from 2 insurance carriers
Dr. Su 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. Su accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Grace Lynn Su'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 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) |
| 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. Grace Lynn Su
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. Grace Lynn Su's NPI number?
Dr. Grace Lynn Su's NPI number is 1265994933. It was assigned on April 2, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Grace Lynn Su?
Dr. Grace Lynn Su is an ophthalmologist in Fontana, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Grace Lynn Su practice?
Dr. Su practices at 9961 Sierra Ave, Fontana, CA 92335. Dr. Su's primary practice is Fontana Medical Center in Fontana, California. Dmand AI also links Dr. Su to 1 medical group.
What is Dr. Grace Lynn Su's office phone number?
The practice phone on file for Dr. Su is (909) 427-3910.
What is Dr. Grace Lynn Su's medical license number?
Dr. Su holds California license A185652, one of the licenses on file in 2 states.
Which states has Dr. Grace Lynn Su been licensed in?
Dmand AI has state licenses on file for Dr. Su in California (2023 to 2027) and Washington (2020 to 2023).
Which hospitals is Dr. Grace Lynn Su affiliated with?
Dr. Su is affiliated with Santa Clara Valley Medical Center.
What medical group is Dr. Grace Lynn Su part of?
Dr. Su is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Su to 1 more medical group.
Does Dr. Grace Lynn Su accept Medicare?
Yes. CMS data shows Dr. Su billed Medicare for 36 services in 2024, and Dr. Su accepts Medicare assignment.
How many Medicare patients does Dr. Grace Lynn Su see?
CMS counts 66 Medicare patients who saw Dr. Su in 2024, with an average age of 77.
Show 8 more questionsShow fewer questions
What services does Dr. Grace Lynn Su bill to Medicare?
In 2024, Dr. Su's most billed Medicare services were surgery: eye (65756) and office visit, established patient (99213).
Where did Dr. Grace Lynn Su go to medical school?
Dr. Su graduated from Lewis Katz School of Medicine in 2019.
What drugs does Dr. Grace Lynn Su prescribe most?
In 2024 Medicare Part D data, Dr. Su's most prescribed drugs by claims were Prednisolone Acetate, Moxifloxacin and Xiidra.
Has Dr. Grace Lynn Su received payments from drug or device companies?
CMS Open Payments shows $2,911 in general payments to Dr. Su from 5 companies from 2023 to 2024. The largest total came from Bausch & Lomb Americas Inc.
How long has Dr. Grace Lynn Su been practicing?
Dr. Su graduated from medical school in 2019, 7 years ago.
Does Dr. Grace Lynn Su do research?
Dmand AI links 6 publications to Dr. Su, published from 2017 to 2023.
Who does Dr. Grace Lynn Su publish with?
Dr. Su's most frequent co-authors are Arman Mashayekhi, MD (2 shared papers), Lauren A. Dalvin, MD (1 shared paper) and Colin Froines, MD (1 shared paper).
What insurance does Dr. Grace Lynn Su accept?
Dr. Su 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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