NPPES file of Aug 9, 2026

Elizabeth Yen, M.D.

Neonatal-Perinatal Medicine Physician · Boston, MA

Elizabeth Yen, M.D. is a neonatal-perinatal medicine physician with a practice address in Boston, Massachusetts, and NPI 1275972762, issued on Jun 18, 2013. Check the license (Massachusetts 266494, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; 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
1275972762
Name
Elizabeth Yen
Credential
M.D.
Primary taxonomy
Neonatal-Perinatal Medicine Physician 2080N0001X
License number
266494 MA
Self-reported in NPPES; status is on the state search
Practice location
800 Washington Street, Boston, MA 02111
Phone
(617) 636-4188
Enumerated
Jun 18, 2013
Record last updated
Aug 13, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest neonatal-perinatal medicine physician records → All 224 in Massachusetts → Look up another NPI →

Also registered at 800 Washington Street

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

  1. Abdullah Alissa, MBBSCardiovascular Disease Physician1841684800
  2. Michael AllanOptician1386415289
  3. Saleh Alshalash, MBBSStudent in an Organized Health Care Education/Training Program1568876647
  4. Mona Ariamanesh, MDAnatomic Pathology & Clinical Pathology Physician1467242305
  5. Ruby Irish Bartolome, D.O.Pediatrics Physician1629369608
  6. Wejdan Battarjee, MDAnesthesiology Physician1568982627

Verify Elizabeth Yen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 266494    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 Massachusetts 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.

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Industry payments in 2024: $92.84

1 payment: education; the largest payer was Chiesi USA, Inc. The 875 providers of this specialty with any payment received $849.08 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Elizabeth Yen$92.84
  2. Specialty average$849.08

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Elizabeth Yen among 224 neonatal-perinatal medicine physician records in Massachusetts

Elizabeth Yen, M.D. is one of 224 neonatal-perinatal medicine physician records with a practice address in Massachusetts. 17% 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 73% of them.

  • NPI issued2013 · 73% of these records are older, 22% newer
  • In a Medicare fileYes · 17% of these records are
  • In the CMS Doctors and Clinicians fileNo · 11% of these records are
  • Record last updated2024 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080N0001X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neonatal-Perinatal Medicine Physician providers in Massachusetts

There are 224 neonatal-perinatal medicine physician records in Massachusetts.

All 224 in Massachusetts → Every provider in Boston → Neonatal-Perinatal Medicine Physician nationwide →

The 8 neonatal-perinatal medicine physician records with the nearest ZIP codes

  1. Timothy Baba, M.D., PH.D.Boston, MA 021111699720094
  2. Jennifer Benjamin, M.D.Boston, MA 021111396877825
  3. Diana Bianchi, M.D.Boston, MA 021111578656690
  4. Geoffrey Binney, M.D.Boston, MA 021111811931991
  5. Mario Cordova, M.D.Boston, MA 021111548353618
  6. Jonathan Davis, M.D.Boston, MA 021111457386534
  7. Patricia Degiulio, M.D.Boston, MA 021111073538294
  8. Ivan Frantz, MDBoston, MA 021111376659573

Common questions

What is Elizabeth Yen, M.D.'s NPI number?

Elizabeth Yen, M.D.'s National Provider Identifier (NPI) is 1275972762, issued on Jun 18, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth Yen, M.D. located?

The NPPES record lists a practice address at 800 Washington Street, Boston, MA, 02111. Phone: (617) 636-4188. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth Yen, M.D.'s license?

NPPES lists Massachusetts license number 266494, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.