David Ray Chen, MD
Rheumatology Physician · Philadelphia, PA
David Ray Chen, MD is a rheumatology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1093941510, issued on Jun 10, 2009. Check the license (Pennsylvania MD439761, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- David Ray Chen
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- MD439761 PA
Self-reported in NPPES; status is on the state search - Practice location
- 822 Pine St, Philadelphia, PA 19107
- Phone
- (215) 829-5358
- Enumerated
- Jun 10, 2009
- Record last updated
- Jun 17, 2022
- Fax
- (215) 923-6442
- Medicare enrollment
- Enrolled (PECOS I20120613000120); accepts Medicare assignment
- Medical or professional school
- Drexel University College Of Medicine, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 413 in Pennsylvania → Look up another NPI →
Also registered at 822 Pine St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mallory Boyle, CRNP, RNFamily Nurse Practitioner1669187902
- David Buch, MDAddiction Psychiatry Physician1467526756
- Glen Crawford, MDDermatology Physician1598780165
- Ashley Dugan, PSYDPsychologist1700287679
- Alan Epstein, M.D.Rheumatology Physician1346211844
- Rikki Ford, M.EDCounselor1346450590
Verify David Ray Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD439761Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% more Medicare Part D claims than the average rheumatology physician in 2024
2,338 Medicare Part D claims for 364 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 219 claims were for opioids.
Most prescribed
- Prednisone325 claims
- Methotrexate319 claims
- Tramadol Hcl182 claims
- Hydroxychloroquine Sulfate168 claims
- Allopurinol148 claims
- Gabapentin121 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 MIPS final score for 2023 (Medicare payment program): 96.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,148.69
115 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 4,486 providers of this specialty with any payment received $8,538.33 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
- University OF Penn - Medical GroupPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Ray Chen among 413 rheumatology physician records in Pennsylvania
David Ray Chen, MD 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 2009, is newer than 62% of them.
- NPI issued2009 · 62% of these records are older, 34% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2006 · median 2004 among the 275 with a school on file
- Record last updated2022 · 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
- Soumya Chakravarty, M.D.Philadelphia, PA 191071265691216
- Alan Epstein, M.D.Philadelphia, PA 191071346211844
- Arthur Huppert, MDPhiladelphia, PA 191071871523324
- Oscar Irigoyen, MDPhiladelphia, PA 191071114929585
- Sergio Jimenez, M.D.Philadelphia, PA 191071164445763
- Marianthi Kiriakidou, MDPhiladelphia, PA 191071457396475
- Michele Meltzer, M.D.Philadelphia, PA 191071346245073
- Fabian Mendoza Ballesteros, M.DPhiladelphia, PA 191071164689840
Common questions
What is David Ray Chen, MD's NPI number?
David Ray Chen, MD's National Provider Identifier (NPI) is 1093941510, issued on Jun 10, 2009. An NPI identifies a provider in billing; it is not a license.
Where is David Ray Chen, MD located?
The NPPES record lists a practice address at 822 Pine St, Philadelphia, PA, 19107. Phone: (215) 829-5358. Providers update this record themselves, so call before visiting.
How can I verify David Ray Chen, MD's license?
NPPES lists Pennsylvania license number MD439761, 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 David Ray Chen, MD prescribe under Medicare Part D?
In 2024, David Ray Chen, MD had 2,338 Medicare Part D claims for 364 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is David Ray Chen, MD's MIPS final score?
The 2023 MIPS final score is 96.3 of 100. 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.