1. Home
  2. Directory
  3. Massachusetts
  4. Boston
  5. Emergency Medicine
  6. NPI Profile

SYDNEY MULQUEEN MD
NPI 1851087597
Emergency Medicine in Boston, MA

Active since April 14, 2023PECOS Enrolled
330 BROOKLINE AVE, BOSTON, MA 02215(617) 667-7000 Get Directions Write a Review

NPPES record last updated: May 25, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 25, 2026, Apr 14, 2023 (2 updates tracked since 2023).

About Sydney Mulqueen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SYDNEY MULQUEEN MD (NPI 1851087597) is an individual emergency medicine provider in Boston, Massachusetts, licensed in Massachusetts (1026136) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2026).

NPPES Registry Identity

NPI1851087597
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameSYDNEY MULQUEENCredential: MD
Location Address330 BROOKLINE AVEBoston, MA 02215-5491
Mailing Address330 Brookline AveBoston, MA 02215-5491 · (617) 667-7000
Phone(617) 667-7000
Sole ProprietorNo
Medical School CMSOtherGraduated 2026
Enumeration DateApril 14, 2023
Last NPPES UpdateMay 25, 20262 updates tracked since enumeration
NPPES CertifiedMay 25, 2026
✔ NPI 1851087597 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in MA · 1026136
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
330 BROOKLINE AVE, Boston, MA 02215
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sydney Mulqueen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3779051420
PECOS Enrollment IDI20260511003348
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BETH ISRAEL DEACONESS MEDICAL CENTER
Chronic Disease Hospital (Children)
330 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 677-4042
DR. BRIAN DANIEL HOBBS MD, MMSC
Internal Medicine
330 BROOKLINE AVE, PULMONARY AND CRITICAL CARE DEPARTMENT
BOSTON, MA 02215
Suffolk County (617) 667-5864
ERICA DOMMASCH MD
Dermatology
330 BROOKLINE AVE, SHAPIRO 2
BOSTON, MA 02215
Suffolk County (617) 667-3753
VAHID KIARAD M.D
Anesthesiology
330 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 667-7000
DR. MICHAEL R GOLDSTEIN PHD
Psychologist (Clinical)
330 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 356-7246
SARA MURDOCK CAHILL MD
Hospitalist
330 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 667-7000
DR. ELIZABETH MAIER BALOUGH MD, PHD
Student in an Organized Health Care Education/Training Program
330 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 667-7000
ETHAN G BURKE
Emergency Medicine
330 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 667-7000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sydney Mulqueen's NPI number?

The NPI number for Sydney Mulqueen is 1851087597. It was assigned to this individual provider in the NPPES registry on April 14, 2023.

Where is Sydney Mulqueen located?

Sydney Mulqueen practices at 330 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 667-7000.

What is Sydney Mulqueen's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Sydney Mulqueen enrolled in Medicare?

Yes. Sydney Mulqueen is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Sydney Mulqueen was last updated on May 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.