Enid Yinyin Sun, MD, MPH
Rheumatology Physician · Philadelphia, PA
Enid Yinyin Sun, MD, MPH is a rheumatology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1871947432, issued on Apr 20, 2016. Check the license (Pennsylvania MD472996, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Enid Yinyin Sun
- Credential
- MD, MPH
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License numbers
- MD472996 PA
218436 NC
Self-reported in NPPES; status is on the state search - Practice location
- 3401 N Broad St, Philadelphia, PA 19140
- Phone
- (215) 707-4600
- Enumerated
- Apr 20, 2016
- Record last updated
- Jul 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (215) 707-4034
- Medicare enrollment
- Enrolled (PECOS I20210722000698); accepts Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 2016
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 413 in Pennsylvania → Look up another NPI →
Also registered at 3401 N Broad St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tori Abdalla, DOInternal Medicine Physician1942091699
- Ahmad Abdeen, MDSurgery Physician1033900642
- Rehab Abdel-Kariem, M.D.Emergency Medicine Physician1508008434
- Abdelaal Abdelbaky, MDNeurological Surgery Physician1437429107
- Ziyodakhon Abdujabborova, MDInternal Medicine Physician1699391839
- Asia Abdul-Haqq, CNMAdvanced Practice Midwife1588679161
Verify Enid Yinyin Sun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD472996Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average rheumatology physician in 2024
915 Medicare Part D claims for 146 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Methotrexate152 claims
- Meloxicam81 claims
- Hydroxychloroquine Sulfate67 claims
- Gabapentin65 claims
- Alendronate Sodium58 claims
- Prednisone56 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Temple Faculty Practice Plan IncPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Enid Yinyin Sun among 413 rheumatology physician records in Pennsylvania
Enid Yinyin Sun, MD, MPH is one of 413 rheumatology physician records with a practice address in Pennsylvania. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 83% of them.
- NPI issued2016 · 83% of these records are older, 13% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2016 · median 2004 among the 275 with a school on file
- Record last updated2021 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Pennsylvania
There are 413 rheumatology physician records in Pennsylvania.
All 413 in Pennsylvania → Every provider in Philadelphia → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Steven Berney, MDPhiladelphia, PA 191401144217043
- Marissa Blum, MDPhiladelphia, PA 191401316080229
- Lawrence Brent, MDPhiladelphia, PA 191401043271729
- Philip Cohen, MDPhiladelphia, PA 191401235167362
- Xuan GaoPhiladelphia, PA 191401528485885
- Arundathi Jayatilleke, MDPhiladelphia, PA 191401427232834
- Terrence Kilfoil, D.O.Philadelphia, PA 191401992914584
- Yiu Tak Leung, MD PHDPhiladelphia, PA 191401790947075
Common questions
What is Enid Yinyin Sun, MD, MPH's NPI number?
Enid Yinyin Sun, MD, MPH's National Provider Identifier (NPI) is 1871947432, issued on Apr 20, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Enid Yinyin Sun, MD, MPH located?
The NPPES record lists a practice address at 3401 N Broad St, Philadelphia, PA, 19140. Phone: (215) 707-4600. Providers update this record themselves, so call before visiting.
How can I verify Enid Yinyin Sun, MD, MPH's license?
NPPES lists Pennsylvania license number MD472996, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Enid Yinyin Sun, MD, MPH prescribe under Medicare Part D?
In 2024, Enid Yinyin Sun, MD, MPH had 915 Medicare Part D claims for 146 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Enid Yinyin Sun, MD, MPH's MIPS final score?
The 2023 MIPS final score is 76.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.