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SYED TAMKIN AHMAD MD PC
NPI 1497942577
Internal Medicine in Hempstead, NY

Active since October 02, 2007
33 FRONT ST, SUITE 107, HEMPSTEAD, NY 11550(516) 505-9042(516) 414-4012 Get Directions Write a Review

NPPES record last updated: January 28, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Syed Tamkin Ahmad Md Pc NPPES

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

SYED TAMKIN AHMAD MD PC (NPI 1497942577) is a healthcare organization registered as an internal medicine in Hempstead, New York and active in the NPI registry since October 2007. The organization lists Syed T Ahmad, Owner, as its authorized official.

NPPES Registry Identity

NPI1497942577
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameSYED TAMKIN AHMAD MD PC
Location Address33 FRONT ST, SUITE 107Hempstead, NY 11550-3601
Mailing Address33 Front St Ste 107Hempstead, NY 11550-3601 · (516) 505-9042 · Fax (516) 414-4012
Phone(516) 505-9042
Fax(516) 414-4012
Organization SubpartNo
Authorized OfficialSyed T AhmadOwner · (516) 505-9042
Enumeration DateOctober 2, 2007
Last NPPES UpdateJanuary 28, 2026
NPPES CertifiedJanuary 28, 2026
✔ NPI 1497942577 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 192696
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.
33 FRONT ST, Hempstead, NY 11550
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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)

Syed Tamkin Ahmad Md Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Syed Tamkin Ahmad MD PC, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Syed Ahmad, MD
Internal Medicine
NPI 1902982739
33 FRONT ST SUITE #107
Hempstead, NY 11550
(516) 565-9042
✔ PECOS✔ Accepts MedicareSame address
Rosita Cadalin, NP-C
Nurse Practitioner
NPI 1912354051
9610 METROPOLITAN AVE
Forest Hills, NY 11375
(718) 459-0400
✔ PECOS12 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 Syed Tamkin Ahmad MD PC's NPI number?

The NPI number for Syed Tamkin Ahmad MD PC is 1497942577. It was assigned to this organization in the NPPES registry on October 2, 2007.

Where is Syed Tamkin Ahmad MD PC located?

Syed Tamkin Ahmad MD PC is located at 33 Front St Suite 107, Hempstead, NY 11550. The listed phone number is (516) 505-9042.

What is Syed Tamkin Ahmad MD PC's specialty?

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

Is Syed Tamkin Ahmad MD PC enrolled in Medicare?

Yes. Syed Tamkin Ahmad MD PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Syed Tamkin Ahmad MD PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Syed Tamkin Ahmad MD PC, in Internal Medicine and Nurse Practitioner. 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. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Syed Tamkin Ahmad MD PC was last updated on January 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.