Richard Jenhau Chen, MD
Medical Toxicology (Emergency Medicine) Physician · Philadelphia, PA
Richard Jenhau Chen, MD is a medical toxicology (emergency medicine) physician with a practice address in Philadelphia, Pennsylvania, and NPI 1649787052, issued on Jan 8, 2018. Check the license (Pennsylvania MD468382, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Richard Jenhau Chen
- Credential
- MD
- Primary taxonomy
- Medical Toxicology (Emergency Medicine) Physician 207PT0002X
- License number
- MD468382 PA
Self-reported in NPPES; status is on the state search - Practice location
- 5501 Old York RD, Philadelphia, PA 19141
- Phone
- (215) 456-6336
- Enumerated
- Jan 8, 2018
- Record last updated
- Sep 26, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20191023001695); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest medical toxicology (emergency medicine) physician records → All 19 in Pennsylvania → Look up another NPI →
Also registered at 5501 Old York RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Bahy Abofrekha, M.D.Student in an Organized Health Care Education/Training Program1962197947
- Ayana Abraham, PA-CPhysician Assistant1053037077
Verify Richard Jenhau Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD468382Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average medical toxicology (emergency medicine) physician in 2024
34 Medicare Part D claims for 27 beneficiaries, against an average of 138 among the 103 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Einstein Practice Plan IncPhila, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Richard Jenhau Chen among 19 medical toxicology (emergency medicine) physician records in Pennsylvania
Richard Jenhau Chen, MD is one of 19 medical toxicology (emergency medicine) physician records with a practice address in Pennsylvania. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 89% of them.
- NPI issued2018 · 89% of these records are older, 5% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2016 · median 2012 among the 12 with a school on file
- Record last updated2019 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PT0002X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Toxicology (Emergency Medicine) Physician providers in Pennsylvania
There are 19 medical toxicology (emergency medicine) physician records in Pennsylvania.
All 19 in Pennsylvania → Every provider in Philadelphia → Medical Toxicology (Emergency Medicine) Physician nationwide →
The 8 medical toxicology (emergency medicine) physician records with the nearest ZIP codes
- Joshua Stewart, MDPhiladelphia, PA 191411497497259
- Lawrence Guzzardi, M.D.Philadelphia, PA 191131861517096
- Edwin Kuffner, M.D.Ft Washington, PA 190341093055444
- Gillian Beauchamp, MDAllentown, PA 181031588980544
- Derek Fikse, DOAllentown, PA 181031528417599
- Thomas Nappe, DOAllentown, PA 181031831486273
- Ryan SurmaitisAllentown, PA 181031629338132
- Alexandra Amaducci, DOBethlehem, PA 180171821475567
Common questions
What is Richard Jenhau Chen, MD's NPI number?
Richard Jenhau Chen, MD's National Provider Identifier (NPI) is 1649787052, issued on Jan 8, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Richard Jenhau Chen, MD located?
The NPPES record lists a practice address at 5501 Old York RD, Philadelphia, PA, 19141. Phone: (215) 456-6336. Providers update this record themselves, so call before visiting.
How can I verify Richard Jenhau Chen, MD's license?
NPPES lists Pennsylvania license number MD468382, 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 Richard Jenhau Chen, MD prescribe under Medicare Part D?
In 2024, Richard Jenhau Chen, MD had 34 Medicare Part D claims for 27 beneficiaries; the average among medical toxicology (emergency medicine) physician prescribers was 138. 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.