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Obstetrics/Gynecology

Adrian Chiem, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

Adrian Chiem, MD (Obstetrics/Gynecology) is listed by Medicare at 1 hospital in Boston, MA. NPI 1508445248. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Adrian Chiem, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
5Years since medical school (graduated 2021)
Warren Alpert Medical School Of Brown UniversityMedical school
MaleGender (as listed)
Brigham and Womens Physicians Organization IncGroup practice

Quick answers

Which hospitals does Adrian Chiem work at?
Medicare's official clinician data lists Adrian Chiem at 1 hospital: Brigham and Women's Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Adrian Chiem see patients?
Medicare's clinician data lists 1 practice location in Boston, MA. Call before your visit to confirm the address.
What is Adrian Chiem's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Adrian Chiem accept Medicare assignment?
Yes. Medicare's clinician data says Adrian Chiem accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Adrian Chiem?
(617) 732-5500, as listed in official Medicare / NPI Registry data.
What is Adrian Chiem's NPI number?
1508445248. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Adrian Chiem works

Medicare's Facility Affiliation Data lists Adrian Chiem at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Adrian Chiem is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Adrian Chiem as a member of this group (CMS data updated 2026-10-02).

  • Brigham and Womens Physicians Organization Inc2,994 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Massachusetts →

Other OB-GYNs in Boston

Clinicians with the same Medicare primary specialty in Boston, MA — not a recommendation.

All OB-GYNs in Boston →

Clinician information

CredentialMD
Medical schoolWarren Alpert Medical School Of Brown University
Graduation year2021
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1508445248
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians