Anterior Eye SegmentEndotamponadeSilicone Oils
Michelle Tian Sun, MBBS, PhD
NPI1326716200
- Medicare services, 2022
- 64
- Part D claims, 2024
- 127
- Publications
- 58
- Industry payments
- $1,038
- Insurance carriers
- 7
- Practice address
- 3400 Spruce St, Philadelphia, PA 19104
- Practice phone
- Call (215) 762-0888
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hospital of the University of Pennsylvania
Philadelphia, Pennsylvania
Find Michelle Sun's professional email, personal email and mobile number
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Michelle Tian Sun is an ophthalmologist in Philadelphia, Pennsylvania
Michelle Sun practices at Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania.
Michelle Sun's NPI, 1326716200, was assigned on September 3, 2021. Michelle Sun's California license number on file is SPI679.
NPI and contact details
- NPI
- 1326716200NPI Registry (opens in a new tab)
- NPI enumeration date
- September 3, 2021
- NPI status
- Active
- Practice phone
- (215) 762-0888
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Michelle Tian Sun practices at Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania
Michelle Sun's primary practice is Hospital of the University of Pennsylvania, at 3400 Spruce St, Philadelphia, PA 19104 in Philadelphia County. The practice phone is (215) 762-0888.
- Hospital of the University of Pennsylvania3400 Spruce St, Philadelphia, PA 19104 · Philadelphia CountyPhone(215) 762-0888
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Michelle Tian Sun is affiliated with 1 site of care
Michelle Sun's primary practice is Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania.
Hospital of the University of PennsylvaniaPrimary
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Michelle Tian Sun's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Michelle Sun practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hospital of the University of Pennsylvania | Available with a free account |
Source: Dmand AI Technology Install Data
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Michelle Tian Sun is one of 843 ophthalmologists in Pennsylvania
Ophthalmology is Michelle Sun's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Michelle Sun has a license on file in California.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
Clinical focus
Dmand AI lists dry eye and eyelid inflammation among the conditions Michelle Sun treats.
Ophthalmologists near Michelle Sun
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
Michelle Tian Sun billed Medicare for 64 services in 2022
CMS data shows 64 Medicare services from Michelle Sun across 3 procedure codes in 2022. Medicare paid $2,197 for them. Every service was in an office.
Medicare services, 202264
Paid by Medicare$2,197
Procedure codes3
Michelle Sun's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 112022: 42282%
- Tests and treatments
- 2021: 02022: 22
Michelle Sun compared with the Pennsylvania median for ophthalmologists, 2022
- Michelle Sun
- Pennsylvania median
- Medicare services
- 64vs 1,33695% below
- Part D claims
- 52vs 62092% below
Medians across 854 ophthalmologists in Pennsylvania with Dmand AI profiles that report each measure.
Michelle Sun's most billed Medicare procedure codes, 2022
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 Michelle Sun and other ophthalmologists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Michelle Tian Sun's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Michelle Sun's median patient age at 69, with 52% women.
Michelle Sun'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
- Women52%
- Men48%
Source: Dmand AI Patient Panel Data
Michelle Tian Sun wrote 127 Medicare Part D claims in 2024
In 2024, Michelle Sun wrote 127 Medicare Part D claims for 70 patients. 57% of them were for generic drugs. CMS names the drug for 52 of them, across 2 drugs with 11 or more claims each, at $1,028 in total drug cost. In 2023, CMS named 1,988 claims across 21 drugs.
Part D claims, 2024127
Drugs named by CMS2
Total drug cost$1,028
Part D patients70
Michelle Sun's Part D claims by kind of drug, 2024
- Generic73 claims57%
- Brand-name54 claims43%
Michelle Sun'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: 1,9882024: 5297%
Drugs named by CMS: 2 in 2024, 21 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
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Michelle Tian Sun has 58 publications on record
Dmand AI links 58 papers to Michelle Sun, published from 2011 to 2025. 2022 was the busiest year, with 8. The most frequent topics are Eyelid Neoplasms, Intraocular Pressure and Tomography, X-Ray Computed. Michelle Sun has published most often in Br J Ophthalmol. Michelle Sun's most frequent co-authors are Kuldev Singh, MD, Sophia Ying Wang, MD and Robert T. Chang, MD.
Papers58
Years published2011 to 2025
Michelle Sun's papers by year, 2015 to 2025
Topics Michelle Sun writes about most
- Eyelid Neoplasms
- Intraocular Pressure
- Tomography, X-Ray Computed
- Skin Neoplasms
- Carcinoma, Basal Cell
- Visual Acuity
- Eyelids
- Glaucoma
Michelle Sun's most frequent co-authors
- Kuldev Singh, MD6 shared papers
- Sophia Ying Wang, MD4 shared papers
- Robert T. Chang, MD2 shared papers
Recent publications by Michelle Sun
Clin Exp Ophthalmol
Biological Specimen BanksBody Mass IndexGlaucoma, Open-Angle
Am J Ophthalmol Case Rep
See who Michelle Sun researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Michelle Sun works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Michelle Tian Sun received $1,038 in industry payments from 2022 to 2023
CMS Open Payments shows 7 general payments to Michelle Sun from 2 drug and device companies from 2022 to 2023. Travel and lodging make up the largest share, 71% of the total. Alcon Laboratories Inc paid the most, $962.
General payments to Michelle Sun by program year, 2022 to 2023
General payments to Michelle Sun by kind, 2022 to 2023
$1Kin total
- Travel and lodging$73571%
- Food and beverage$30329%
Companies that paid Michelle Sun the most, 2022 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Michelle Tian Sun accepts plans from 7 insurance carriers
Michelle Sun is in network with 7 carriers, including Aetna, United Healthcare and Highmark. HMO plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Highmark
- Horizon Blue Cross Blue Shield of New Jersey
- Elevance
- HCSC
- Medical Mutual of Ohio
Plan types Michelle Sun accepts, by number of carriers
- HMO6
- PPO5
- Medicare3
- EPO2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Michelle Tian Sun'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 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 Data |
| 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) |
| 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) |
| 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 Michelle Tian Sun
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Michelle Tian Sun's NPI number?
Michelle Tian Sun's NPI number is 1326716200. It was assigned on September 3, 2021, and it is active in the NPI Registry.
What does Michelle Tian Sun specialize in?
Michelle Tian Sun is an ophthalmologist in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Michelle Tian Sun practice?
Michelle Sun practices at 3400 Spruce St, Philadelphia, PA 19104. Michelle Sun's primary practice is Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania.
What is Michelle Tian Sun's office phone number?
The practice phone on file for Michelle Sun is (215) 762-0888.
What is Michelle Tian Sun's medical license number?
Michelle Sun's California license number on file is SPI679.
Does Michelle Tian Sun accept Medicare?
Yes. CMS data shows Michelle Sun billed Medicare for 64 services in 2022.
What services does Michelle Tian Sun bill to Medicare?
In 2022, Michelle Sun's most billed Medicare services were office visit, established patient (99213), eye exam or test (92134) and office visit, established patient (99212).
What drugs does Michelle Tian Sun prescribe most?
In 2024 Medicare Part D data, Michelle Sun's most prescribed drugs by claims were Latanoprost and Dorzolamide-Timolol.
Has Michelle Tian Sun received payments from drug or device companies?
CMS Open Payments shows $1,038 in general payments to Michelle Sun from 2 companies from 2022 to 2023. The largest total came from Alcon Laboratories Inc.
How long has Michelle Tian Sun been practicing?
Michelle Sun graduated from medical school in 2013, 13 years ago.
Show 3 more questionsShow fewer questions
Does Michelle Tian Sun do research?
Dmand AI links 58 publications to Michelle Sun, published from 2011 to 2025.
Who does Michelle Tian Sun publish with?
Michelle Sun's most frequent co-authors are Kuldev Singh, MD (6 shared papers), Sophia Ying Wang, MD (4 shared papers) and Robert T. Chang, MD (2 shared papers).
What insurance does Michelle Tian Sun accept?
Michelle Sun is in network with 7 carriers, including Aetna, United Healthcare and Highmark. HMO plans come from the most carriers, 6. Check the plan with the practice before a visit.
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