DR. SHEILA WARREN MARZOUK AU.D.
NPI 1851542914
Audiologist in Purchase, NY
About Dr. Sheila Warren Marzouk Au.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SHEILA WARREN MARZOUK AU.D. (NPI 1851542914) is an individual audiologist in Purchase, New York, licensed in New York (694) and active in the NPI registry since October 2008. She maintains 2 additional practice locations and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Sheila Warren Marzouk Au.d. 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.
Medicare Billing Reassignment
Medicare enrollment records show Sheila Marzouk reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Rye Brook, NY 10573
- Reassigned Medicare billing, New York enrollment
- 470 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10577 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
PURCHASE, NY 10577
PURCHASE, NY 10577
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 Sheila Marzouk's NPI number?
The NPI number for Sheila Marzouk is 1851542914. It was assigned to this individual provider in the NPPES registry on October 8, 2008.
Where is Sheila Marzouk located?
Sheila Marzouk practices at 3030 Westchester Ave, Purchase, NY 10577. The listed phone number is (914) 848-8070.
What is Sheila Marzouk's specialty?
The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.
Is Sheila Marzouk enrolled in Medicare?
Yes. Sheila Marzouk 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.
Which organization bills Medicare for Sheila Marzouk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sheila Marzouk reassigns Medicare benefits to Westchester Medical Group, P.C. (Rye Brook, 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 Sheila Marzouk'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 Sheila Marzouk was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Dr. Sheila Warren Marzouk, AU.D. · NPI 1851542914
Audiologist provider in Purchase, New York. Individual provider, active in the CMS NPPES registry since October 8, 2008.
## Identity
- **NPI:** 1851542914 (Entity type: Individual)
- **Enumerated:** October 8, 2008
- **Primary specialty:** Audiologist · taxonomy 231H00000X
- **State license:** 694 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 3030 WESTCHESTER AVE, Purchase, NY 10577-2574
- **Phone:** (914) 848-8070 · **Fax:** (914) 607-6274
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Westchester Medical Group, P.C. (NPI 1881653822, Rye Brook, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** March 17, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1851542914) · Data from the CMS NPPES public registry.