Xisui Shirley Chen, M.D.
Internal Medicine Physician · Philadelphia, PA
Xisui Shirley Chen, M.D. is an internal medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1821484239, issued on Apr 13, 2015. Check the license (Pennsylvania MD465737, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Xisui Shirley Chen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD465737 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3801 Filbert St, Philadelphia, PA 19104
- Phone
- (215) 662-9990
- Enumerated
- Apr 13, 2015
- Record last updated
- Sep 18, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200925000456); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2015
- Entity
- Type 1 · individual
Also registered at 3801 Filbert St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Victoria Addis, M.D.Glaucoma Specialist (Ophthalmology) Physician1972826584
- Tomas Aleman, MDRetina Specialist (Ophthalmology) Physician1104110303
- Stephanie Barndt, CRNPGerontology Nurse Practitioner1558864975
- Nirali Bhatt, MDUveitis and Ocular Inflammatory Disease (Ophthalmology) Physician1174758791
- Alexander Brucker, MDRetina Specialist (Ophthalmology) Physician1073624706
- Vatinee Bunya, MDCornea and External Diseases Specialist Physician1760561799
Verify Xisui Shirley Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD465737Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,131 Medicare Part D claims for 164 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Atorvastatin Calcium213 claims
- Amlodipine Besylate122 claims
- Levothyroxine Sodium95 claims
- Metoprolol Succinate88 claims
- Losartan Potassium86 claims
- Albuterol Sulfate Hfa80 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.
Industry payments in 2024: $19.85
1 payment: food and beverage; the largest payer was Pfizer Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Icahn School OF Medicine AT Mount SinaiNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
1,855 internal medicine physician records list a practice address in Philadelphia
They are 1,855 of the 42,849 NPPES records with a practice address in Philadelphia, and 7,300 internal medicine physician records in Pennsylvania.
All 1,855 in Philadelphia → All 7,300 in Pennsylvania → Every provider in Philadelphia →
Other internal medicine physician records in Pennsylvania
- Saira Aamir, MDYork, PA1184515686
- John Aaron, MDWest Grove, PA1427094531
- Todd Aaron, MDPhiladelphia, PA1457350522
- Joseph Abalos, M.D.Seneca, PA1215128434
- Mubasher Abbas, MDYork, PA1578978425
- Nicholas AbbottFarrell, PA1639525678
- Sara Abbruzzi, D.O.Philadelphia, PA1689686313
- Ahmad Abdalla, MDPhiladelphia, PA1730981127
- Tori Abdalla, DOPhiladelphia, PA1942091699
- Hany Abdel, D.O.Plymouth Meeting, PA1164467262
Common questions
What is Xisui Shirley Chen, M.D.'s NPI number?
Xisui Shirley Chen, M.D.'s National Provider Identifier (NPI) is 1821484239, issued on Apr 13, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Xisui Shirley Chen, M.D. located?
The NPPES record lists a practice address at 3801 Filbert St, Philadelphia, PA, 19104. Phone: (215) 662-9990. Providers update this record themselves, so call before visiting.
How can I verify Xisui Shirley Chen, M.D.'s license?
NPPES lists Pennsylvania license number MD465737, 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 Xisui Shirley Chen, M.D. prescribe under Medicare Part D?
In 2024, Xisui Shirley Chen, M.D. had 2,131 Medicare Part D claims for 164 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.