NPPES file of Aug 9, 2026

Christina H. Chien, M.D.

Emergency Medicine Physician · West Haven, CT

Christina H. Chien, M.D. is an emergency medicine physician with a practice address in West Haven, Connecticut, and NPI 1033556931, issued on May 31, 2013. Check the license 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033556931
Name
Christina H. Chien
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
MD467586 PA
C1-0013199 DE
25MA10145800 NJ
280589 NY
Self-reported in NPPES; status is on the state search
Practice location
950 Campbell Ave, West Haven, CT 06516
Phone
(203) 932-5711
Enumerated
May 31, 2013
Record last updated
Oct 14, 2025
Medicare enrollment
Enrolled (PECOS I20190817000090); accepts Medicare assignment
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.
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Also registered at 950 Campbell Ave

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

  1. Matthew Abbott, LCSWSocial Worker1790734986
  2. Erica Abel, PH.D.Clinical Psychologist1982971222
  3. Audrey Abelleira, PHARMDPharmacist1831671577
  4. Mary Abraham, PHARMDPharmacist1386344950
  5. Linda Accordino, RN, MSNGerontology Nurse Practitioner1396853289
  6. Jenna Adamowicz, PH.D.Clinical Psychologist1356271266

Verify Christina H. Chien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck 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

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23% fewer Medicare Part D claims than the average emergency medicine physician in 2024

175 Medicare Part D claims for 137 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Christina Chien175
  2. Specialty average226

Most prescribed

  1. Amoxicillin-Clavulanate Potass20 claims
  2. Prednisone17 claims
  3. Fluticasone Propionate13 claims
  4. Azithromycin12 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.

Bills Medicare through 2 group practices

  1. Jefferson Acute Care Physicians PCPhiladelphia, PA
  2. Jefferson University PhysiciansPhiladelphia, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Christina H. Chien among 846 emergency medicine physician records in Connecticut

Christina H. Chien, M.D. 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 2013, is newer than 64% of them.

  • NPI issued2013 · 64% of these records are older, 34% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2013 · median 2011 among the 574 with a school on file
  • Record last updated2025 · 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).

Emergency Medicine Physician providers in Connecticut

There are 846 emergency medicine physician records in Connecticut.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Michelle Leon, MDWest Haven, CT 065161265467633
  2. Lemi Luu, M.D.West Haven, CT 065161134259161
  3. Jodonna Scala, M.D.West Haven, CT 065161942341656
  4. Natasha Spencer, M.D.West Haven, CT 065161821264466
  5. Asim Tarabar, MDWest Haven, CT 065161790766368
  6. Gary Tickey, M.D.West Haven, CT 065161740363779
  7. Craig Zalis, M.D.West Haven, CT 065161104937101
  8. Michael Gilio, M.D.Hamden, CT 065141386095487

Common questions

What is Christina H. Chien, M.D.'s NPI number?

Christina H. Chien, M.D.'s National Provider Identifier (NPI) is 1033556931, issued on May 31, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Christina H. Chien, M.D. located?

The NPPES record lists a practice address at 950 Campbell Ave, West Haven, CT, 06516. Phone: (203) 932-5711. Providers update this record themselves, so call before visiting.

How can I verify Christina H. Chien, M.D.'s license?

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 Christina H. Chien, M.D. prescribe under Medicare Part D?

In 2024, Christina H. Chien, M.D. had 175 Medicare Part D claims for 137 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.