1. Home
  2. Directory
  3. New York
  4. Brooklyn
  5. Pediatrics
  6. NPI Profile

DR. AHMAD MAHDI M.D.
NPI 1831432590
Pediatrics in Brooklyn, NY

Active since April 01, 2013PECOS Enrolled
458 BAY RIDGE PKWY, BROOKLYN, NY 11209(718) 833-0741(877) 991-6654 Get Directions Write a Review

NPPES record last updated: September 15, 2023. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Mar 16, 2020, Mar 17, 2018, Feb 27, 2018 and 1 more (4 updates tracked since 2016).

About Dr. Ahmad Mahdi M.d. NPPES

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

DR. AHMAD MAHDI M.D. (NPI 1831432590) is an individual pediatrics provider in Brooklyn, New York, licensed in New York (274922) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS and maintains a secondary practice location in Brooklyn.

NPPES Registry Identity

NPI1831432590
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. AHMAD MAHDICredential: M.D.
Location Address458 BAY RIDGE PKWYBrooklyn, NY 11209-2702
Mailing Address458 Bay Ridge PkwyBrooklyn, NY 11209-2702 · (718) 833-0741 · Fax (877) 991-6654
Phone(718) 833-0741
Fax(877) 991-6654
Sole ProprietorNo
Enumeration DateApril 1, 2013
Last NPPES UpdateSeptember 15, 20234 updates tracked since enumeration
NPPES CertifiedSeptember 15, 2023
✔ NPI 1831432590 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in NY · 274922✔ Licensed in PA · MD449941
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
458 BAY RIDGE PKWY, Brooklyn, NY 11209
Open in Google Maps ↗

Secondary Practice Location 1

Location 15908 5th AveBrooklyn, NY 11220-4071 · Phone (347) 227-8448 · Fax (877) 991-6654

Other Identifiers 1

Medicaid03950718NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ahmad Mahdi M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Ahmad Mahdi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Wyckoff Emergency Medicine Services, P.C.
7.6 mi
Emergency Medicine
374 STOCKHOLM ST
Brooklyn, NY 11237
  • Reassigned Medicare billing, New York enrollment
  • 43 clinicians in this Medicare group
NPI 1154369783 (718) 963-6551

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11209 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 2

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

PEGGY ANN GARGIAN M D P C
Legal Medicine
458 BAY RIDGE PKWY
BROOKLYN, NY 11209
Kings County (718) 238-4157
COMPERHENSIVE CHILD CARE PEDIATRICS P.C.
Pediatrics
458 BAY RIDGE PKWY
BROOKLYN, NY 11209
Kings County (718) 833-0741

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 Ahmad Mahdi's NPI number?

The NPI number for Ahmad Mahdi is 1831432590. It was assigned to this individual provider in the NPPES registry on April 1, 2013.

Where is Ahmad Mahdi located?

Ahmad Mahdi practices at 458 Bay Ridge Pkwy, Brooklyn, NY 11209. The listed phone number is (718) 833-0741.

What is Ahmad Mahdi's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Ahmad Mahdi enrolled in Medicare?

Yes. Ahmad Mahdi is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ahmad Mahdi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ahmad Mahdi reassigns Medicare benefits to Wyckoff Emergency Medicine Services, P.C. (Brooklyn, NY). The 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 Ahmad Mahdi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Ahmad Mahdi was last updated on September 15, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.