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DR. ALEXANDRA HASSAN DO
NPI 1629709175
Emergency Medicine in Brooklyn, NY

Active since June 23, 2022PECOS Enrolled
1 BROOKDALE PLZ, BROOKLYN, NY 11212(718) 240-5000 Get Directions Write a Review

NPPES record last updated: September 7, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Alexandra Hassan Do NPPES

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

DR. ALEXANDRA HASSAN DO (NPI 1629709175) is an individual emergency medicine provider in Brooklyn, New York, licensed in New York (339053) and active in the NPI registry since June 2022. She is enrolled in Medicare PECOS, is affiliated with Brookdale Hospital Medical Center, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1629709175
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDR. ALEXANDRA HASSANCredential: DO
Location Address1 BROOKDALE PLZBrooklyn, NY 11212-3139
Mailing Address1 Brookdale PlzBrooklyn, NY 11212-3139 · (901) 497-2162
Phone(718) 240-5000
Sole ProprietorYes
Medical School CMSOtherGraduated 2022
Enumeration DateJune 23, 2022
Last NPPES UpdateSeptember 7, 2025
NPPES CertifiedSeptember 7, 2025
✔ NPI 1629709175 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in NY · 339053
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.
1 BROOKDALE PLZ, Brooklyn, NY 11212
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alexandra Hassan Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9739685181
PECOS Enrollment IDI20251003001304
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Alexandra Hassan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Brookdale Hospital Medical Center
1.8 mi
General Acute Care Hospital
1 BROOKDALE PLZ STE 666
Brooklyn, NY 11212
  • Reassigned Medicare billing, New York enrollment
  • 782 clinicians in this Medicare group
NPI 1720028772 (718) 240-8352
Interfaith Emergency Medicine, P.C.
2.1 mi
Emergency Medicine
1545 ATLANTIC AVE
Brooklyn, NY 11213
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Interfaith Emergency Medicine PC
  • 145 clinicians in this Medicare group
NPI 1457643785 (718) 240-8352
Maimonides Medical Center - Mmc Emergency Physicians Fpp
4.7 mi
Emergency Medicine
4802 10TH AVE
Brooklyn, NY 11219
  • Reassigned Medicare billing, New York enrollment
  • 189 clinicians in this Medicare group
NPI 1982708202 (718) 283-8773

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Brookdale Hospital Medical Center

Acute Care Hospitals · Brooklyn, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330233
Location1 Brookdale PlazaBrooklyn, NY 11212 · Kings County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11212 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
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
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.

MADI LINDAUER MD
Emergency Medicine
1 BROOKDALE PLZ
BROOKLYN, NY 11212
Kings County (718) 240-5000
DR. CAMERON MANCHESTER MD
Radiology (Diagnostic Radiology)
1 BROOKDALE PLZ
BROOKLYN, NY 11212
Kings County (806) 341-0428
DR. ENID NAAMOMO OTOO DO
Emergency Medicine
1 BROOKDALE PLZ
BROOKLYN, NY 11212
Kings County (718) 240-7225
NAYAN DOOBAY STUDENT
Student in an Organized Health Care Education/Training Program
1 BROOKDALE PLZ
BROOKLYN, NY 11212
Kings County (718) 240-6205
COLBY VUONG
Student in an Organized Health Care Education/Training Program
1 BROOKDALE PLZ
BROOKLYN, NY 11212
Kings County (718) 240-6552
MONA ROSENZWEIG
Student in an Organized Health Care Education/Training Program
1 BROOKDALE PLZ
BROOKLYN, NY 11212
Kings County (718) 240-5000
VANESSA DE DANZINE PA
Physician Assistant
1 BROOKDALE PLZ, BROOKDALE UNIVERSITY HOSPITAL & MEDICAL CENTER
BROOKLYN, NY 11212
Kings County (718) 240-5180
DR. MARTHEL PIERRE-ANTOINE DODARD M.D.
Personal Emergency Response Attendant
1 BROOKDALE PLZ
BROOKLYN, NY 11212
Kings County (718) 240-5000

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 Alexandra Hassan's NPI number?

The NPI number for Alexandra Hassan is 1629709175. It was assigned to this individual provider in the NPPES registry on June 23, 2022.

Where is Alexandra Hassan located?

Alexandra Hassan practices at 1 Brookdale Plz, Brooklyn, NY 11212. The listed phone number is (718) 240-5000.

What is Alexandra Hassan's specialty?

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

Is Alexandra Hassan enrolled in Medicare?

Yes. Alexandra Hassan is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Alexandra Hassan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Hassan reassigns Medicare benefits to 3 organizations: Brookdale Hospital Medical Center (Brooklyn, NY), Interfaith Emergency Medicine, P.C. (Brooklyn, NY) and Maimonides Medical Center - Mmc Emergency Physicians Fpp (Brooklyn, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alexandra Hassan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Alexandra Hassan affiliated with any hospitals?

According to CMS data, Alexandra Hassan is affiliated with Brookdale Hospital Medical Center.

When was this NPI record last updated?

The NPPES record for Alexandra Hassan was last updated on September 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.