NPPES file of Aug 9, 2026

Ruo Chen, MD

Emergency Medicine Physician · Bridgeport, CT

Ruo Chen, MD is an emergency medicine physician with a practice address in Bridgeport, Connecticut, and NPI 1922636794, issued on Mar 29, 2020. Check the license (Connecticut 73598, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922636794
Name
Ruo Chen
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
73598 CT
Self-reported in NPPES; status is on the state search
Practice location
267 Grant St, Bridgeport, CT 06610
Phone
(203) 384-3566
Enumerated
Mar 29, 2020
Record last updated
Jun 15, 2023
Medicare enrollment
Enrolled (PECOS I20230706002825); accepts Medicare assignment
Medical or professional school
University Of Massachusetts Medical School, 2020
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 267 Grant St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Justin AbbateCertified Registered Nurse Anesthetist1811780497
  2. Mahmoud AbdelhadiHospitalist Physician1376116574
  3. Shaun AbidStudent in an Organized Health Care Education/Training Program1194428565
  4. Kwame Adjei-SefahStudent in an Organized Health Care Education/Training Program1306648589
  5. Khashayar AfshariStudent in an Organized Health Care Education/Training Program1942002092
  6. Shadi Afyouni, MDStudent in an Organized Health Care Education/Training Program1023811031

Verify Ruo Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 73598
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

49% fewer Medicare Part D claims than the average emergency medicine physician in 2024

116 Medicare Part D claims for 79 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Ruo Chen116
  2. Specialty average226

Most prescribed

  1. Ibuprofen26 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): 81.5 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.

  1. Qualityout of 100 · 30% of the final score72.0
  2. Costout of 100 · 30%54.4
  3. Promoting interoperabilityout of 100 · 25%88.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

One hospital affiliation

  1. Bridgeport HospitalBridgeport, CT · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Ruo Chen among 846 emergency medicine physician records in Connecticut

Ruo Chen, MD is one of 846 emergency medicine physician records with a practice address in Connecticut. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 87% of them.

  • NPI issued2020 · 87% of these records are older, 8% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2020 · median 2011 among the 574 with a school on file
  • Record last updated2023 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

52 emergency medicine physician records list a practice address in Bridgeport

They are 52 of the 2,980 NPPES records with a practice address in Bridgeport, and 846 emergency medicine physician records in Connecticut.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Mark Andreae, MDBridgeport, CT 066101881088482
  2. John Cacace, MDBridgeport, CT 066101891714689
  3. Justin Cahill, MDBridgeport, CT 066101316966112
  4. Janeane Flynn, MDBridgeport, CT 066101164441804
  5. Richard Greiner, MDBridgeport, CT 066101871602318
  6. Darcy Harris, DOBridgeport, CT 066101275574840
  7. Roland Jermyn, M.D.Bridgeport, CT 066101114101177
  8. Thomas Lamonte, MDBridgeport, CT 066101881613537

Common questions

What is Ruo Chen, MD's NPI number?

Ruo Chen, MD's National Provider Identifier (NPI) is 1922636794, issued on Mar 29, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Ruo Chen, MD located?

The NPPES record lists a practice address at 267 Grant St, Bridgeport, CT, 06610. Phone: (203) 384-3566. Providers update this record themselves, so call before visiting.

How can I verify Ruo Chen, MD's license?

NPPES lists Connecticut license number 73598, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ruo Chen, MD prescribe under Medicare Part D?

In 2024, Ruo Chen, MD had 116 Medicare Part D claims for 79 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Ruo Chen, MD's MIPS final score?

The 2023 MIPS final score is 81.5 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.