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CAREFIRST MEDICAL PLLC
NPI 1558190637
Internal Medicine in Hollis, NY

Active since July 29, 2024
19115 HILLSIDE AVE, HOLLIS, NY 11423(516) 858-0204(570) 473-5360 Get Directions Write a Review

NPPES record last updated: October 14, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Carefirst Medical Pllc NPPES

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

CAREFIRST MEDICAL PLLC (NPI 1558190637) is a healthcare organization registered as an internal medicine in Hollis, New York and active in the NPI registry since July 2024. The organization lists Muhammad Rajib Hossain, Ceo, as its authorized official.

NPPES Registry Identity

NPI1558190637
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameCAREFIRST MEDICAL PLLC
Location Address19115 HILLSIDE AVEHollis, NY 11423-1941
Mailing Address19115 Hillside AveHollis, NY 11423-1941 · (516) 858-0204 · Fax (570) 473-5360
Phone(516) 858-0204
Fax(570) 473-5360
Organization SubpartNo
Authorized OfficialMuhammad Rajib HossainCeo · (347) 445-1686
Enumeration DateJuly 29, 2024
Last NPPES UpdateOctober 14, 2025
NPPES CertifiedOctober 14, 2025
✔ NPI 1558190637 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
19115 HILLSIDE AVE, Hollis, NY 11423
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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 and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Carefirst Medical Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Carefirst Medical PLLC, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (3)

Ali Sadek, MD
Hospitalist
NPI 1750927240
4422 3RD AVE
Bronx, NY 10457
(718) 960-9000
✔ PECOS11 mi
Muhammad Rajib Hossain, MD
Internal Medicine
NPI 1679962732
1650 GRAND CONCOURSE
Bronx, NY 10457
(718) 992-7669
✔ PECOS✔ Accepts Medicare11 mi
Sm Arif Saleh
Internal Medicine
NPI 1386223873
1945 STATE ROUTE 33
Neptune, NJ 07753
(732) 775-5500
✔ PECOS✔ Accepts Medicare38 mi

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

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 Carefirst Medical PLLC's NPI number?

The NPI number for Carefirst Medical PLLC is 1558190637. It was assigned to this organization in the NPPES registry on July 29, 2024.

Where is Carefirst Medical PLLC located?

Carefirst Medical PLLC is located at 19115 Hillside Ave, Hollis, NY 11423. The listed phone number is (516) 858-0204.

What is Carefirst Medical PLLC's specialty?

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

Is Carefirst Medical PLLC enrolled in Medicare?

Yes. Carefirst Medical PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Carefirst Medical PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Carefirst Medical PLLC, in Hospitalist and Internal Medicine. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Carefirst Medical PLLC was last updated on October 14, 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.