DR. MOHAMED SAEFELDIN HASABELGAB ELHAJ MD
NPI 1285375170
Internal Medicine in Brooklyn, NY

Q: What is Mohamed Elhaj's NPI number?

The NPI number for Mohamed Elhaj is 1285375170. It was assigned to this individual provider in the NPPES registry on April 5, 2022.

Q: What is Mohamed Elhaj's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Mohamed Elhaj was last updated on January 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since April 05, 2022PECOS EnrolledAccepts Medicare Assignment

450 CLARKSON AVE, BROOKLYN, NY 11203(718) 270-8867 Get Directions Write a Review

NPPES record last updated: January 31, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 31, 2026, Apr 5, 2025, Apr 6, 2022 (3 updates tracked since 2022).

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About Dr. Mohamed Saefeldin Hasabelgab Elhaj Md NPPES

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

DR. MOHAMED SAEFELDIN HASABELGAB ELHAJ MD (NPI 1285375170) is an individual internal medicine provider in Brooklyn, New York, licensed in New York (340783-01) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai Beth Israel, and maintains a secondary practice location in Brooklyn.

NPPES Registry Identity

NPI1285375170

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. MOHAMED SAEFELDIN HASABELGAB ELHAJCredential: MD

Location Address450 CLARKSON AVEBrooklyn, NY 11203-2012

Mailing Address345 Lenox Rd Apt 2cBrooklyn, NY 11226-5270 · (480) 506-9104

Phone(718) 270-8867

Sole ProprietorNo

Medical School CMSOtherGraduated 2019

Enumeration DateApril 5, 2022

Last NPPES UpdateJanuary 31, 20263 updates tracked since enumeration

NPPES CertifiedJanuary 31, 2026

✔ NPI 1285375170 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in NY · 340783-01

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

450 CLARKSON AVE, Brooklyn, NY 11203

Open in Google Maps ↗

Secondary Practice Location 1

Location 13201 Kings HwyBrooklyn, NY 11234-2625 · Phone (718) 951-2851

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mohamed Saefeldin Hasabelgab Elhaj Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9830679661

PECOS Enrollment IDI20260219000779

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.

Hospital Affiliations CMS Care Compare

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

Mount Sinai Beth Israel

Acute Care Hospitals · New York, NY

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330169

LocationFirst Avenue At 16th StreetNew York, NY 10003 · New York County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11203 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

$154.28 typical visit price

range $67.40 – $203.53

Typical copayment $38.57 (range $16.85 – $50.88)

Most-billed visit code 99204

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.

SUNY DOWNSTATE MEDICAL CENTER UHB

Obstetrics & Gynecology

450 CLARKSON AVE
BROOKLYN, NY 11203

Kings County (718) 363-2908

UNIVERSITY PHYSICIANS OF BROOKLYN

Internal Medicine (Gastroenterology)

450 CLARKSON AVE, SUITE A
BROOKLYN, NY 11203

Kings County (718) 270-1112

SNEHALATA R TOPGI MD

Emergency Medicine

450 CLARKSON AVE
BROOKLYN, NY 11203

Kings County (718) 270-3295

DR. MARYAM NOORI KOLOORI M.D.

Student in an Organized Health Care Education/Training Program

450 CLARKSON AVE, SUNY DOWNSTATE MEDICAL CENTER
BROOKLYN, NY 11203

Kings County (412) 737-3789

DR. VIVEK YADAV MD

Internal Medicine (Pulmonary Disease)

450 CLARKSON AVE
BROOKLYN, NY 11203

Kings County (718) 270-3302

DR. DANIEL BEEGAN MD

Family Medicine

450 CLARKSON AVE, MSC 67
BROOKLYN, NY 11203

Kings County (718) 270-4096

ELIEZER LEVITANSKY DO

Emergency Medicine

450 CLARKSON AVE
BROOKLYN, NY 11203

Kings County (245) 331-8718

MIGUEL ANGEL BARRIOS MD

Emergency Medicine

450 CLARKSON AVE
BROOKLYN, NY 11203

Kings County (718) 245-4798

ROY WANG MD

Student in an Organized Health Care Education/Training Program

450 CLARKSON AVE
BROOKLYN, NY 11203

Kings County (240) 856-0832

DR. CHRISTLINE FERNANDEZ MD

Student in an Organized Health Care Education/Training Program

450 CLARKSON AVE
BROOKLYN, NY 11203

Kings County (718) 270-1566

ISHA RAO DO

Student in an Organized Health Care Education/Training Program

450 CLARKSON AVE
BROOKLYN, NY 11203

Kings County (718) 270-8867

YVES H JEAN MD

Student in an Organized Health Care Education/Training Program

450 CLARKSON AVE
BROOKLYN, NY 11203

Kings County (718) 270-2353

FAIHA RAZA ZAIDI MD

Student in an Organized Health Care Education/Training Program

450 CLARKSON AVE
BROOKLYN, NY 11203

Kings County (718) 270-1000

LIN FENG

Physician Assistant

450 CLARKSON AVE
BROOKLYN, NY 11203

Kings County (718) 270-1000

DR. EUNICE JOSEFA JEAN DE LOS SANTOS DE CLERGER MD

Student in an Organized Health Care Education/Training Program

450 CLARKSON AVE
BROOKLYN, NY 11203

Kings County (718) 270-8867

DR. SHMUEL BORENSTEIN MD

Student in an Organized Health Care Education/Training Program

450 CLARKSON AVE
BROOKLYN, NY 11203

Kings County (718) 270-1566

DR. ELIE FRIED M.D.

Anesthesiology

450 CLARKSON AVE
BROOKLYN, NY 11203

Kings County (718) 270-3126

DR. DIANA E. WEAVER M.D.

Pediatrics (Pediatric Pulmonology)

450 CLARKSON AVE, SUITE B4-333
BROOKLYN, NY 11203

Kings County (718) 270-4714

RAGIN C PATEL MD

Obstetrics & Gynecology (Obstetrics)

450 CLARKSON AVE
BROOKLYN, NY 11203

Kings County (718) 270-2085

ALEXIS MACIAS DO

Student in an Organized Health Care Education/Training Program

450 CLARKSON AVE
BROOKLYN, NY 11203

Kings County (718) 270-1000

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 Mohamed Elhaj's NPI number?

The NPI number for Mohamed Elhaj is 1285375170. It was assigned to this individual provider in the NPPES registry on April 5, 2022.

Where is Mohamed Elhaj located?

Mohamed Elhaj practices at 450 Clarkson Ave, Brooklyn, NY 11203. The listed phone number is (718) 270-8867.

What is Mohamed Elhaj's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mohamed Elhaj enrolled in Medicare?

Yes. Mohamed Elhaj is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Mohamed Elhaj affiliated with any hospitals?

According to CMS data, Mohamed Elhaj is affiliated with Mount Sinai Beth Israel.

When was this NPI record last updated?

The NPPES record for Mohamed Elhaj was last updated on January 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.