DR. MOHAMED MAZNAWI ZAWAHIR M.D.
NPI 1619915709
Anesthesiology in Williamsville, NY
About Dr. Mohamed Maznawi Zawahir M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MOHAMED MAZNAWI ZAWAHIR M.D. (NPI 1619915709) is an individual anesthesiology provider in Williamsville, New York, licensed in Virginia (0101288845) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Kaleida Health, and maintains a secondary practice location in Malone.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
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. Mohamed Maznawi Zawahir M.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 Reassignments
9Medicare enrollment records show Mohamed Zawahir reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cheektowaga, NY 14225
- Reassigned Medicare billing, New York enrollment
- 124 clinicians in this Medicare group
Amherst, NY 14226
- Reassigned Medicare billing, New York enrollment
- 7 clinicians in this Medicare group
Buffalo, NY 14203
- Reassigned Medicare billing, New York enrollment
- 182 clinicians in this Medicare group
Rochester, NY 14642
- Reassigned Medicare billing, New York enrollment
- 458 clinicians in this Medicare group
Syracuse, NY 13210
- Reassigned Medicare billing, New York enrollment
- 132 clinicians in this Medicare group
Saranac Lake, NY 12983
- Reassigned Medicare billing, New York enrollment
- 248 clinicians in this Medicare group
Malone, NY 12953
- Reassigned Medicare billing, New York enrollment
- 326 clinicians in this Medicare group
Jersey City, NJ 07310
- Reassigned Medicare billing, New York enrollment
- 38 clinicians in this Medicare group
Plattsburgh, NY 12901
- Reassigned Medicare billing, New York enrollment
- 675 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Kaleida Health
Acute Care Hospitals · Buffalo, NYUniversity Hospital S U N Y Health Science Center
Acute Care Hospitals · Syracuse, NYOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WILLIAMSVILLE, NY 14221
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 Zawahir's NPI number?
The NPI number for Mohamed Zawahir is 1619915709. It was assigned to this individual provider in the NPPES registry on June 2, 2006.
Where is Mohamed Zawahir located?
Mohamed Zawahir practices at 30 S Cayuga Rd, Williamsville, NY 14221. The listed phone number is (716) 632-1088.
What is Mohamed Zawahir's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Mohamed Zawahir enrolled in Medicare?
Yes. Mohamed Zawahir 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 organizations bill Medicare for Mohamed Zawahir's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mohamed Zawahir reassigns Medicare benefits to 9 organizations: Maple Gate Anesthesiologists, P.C. (Cheektowaga, NY), Wny Medical Management, LLC (Amherst, NY), Great Lakes Anesthesiology, PC (Buffalo, NY), U Of R Anesthesiology Group (Rochester, NY), Upstate Medical Anesthesiology Group, Inc. (Syracuse, NY) and 4 more organizations, listed in the Medicare section above. Each 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 Mohamed Zawahir's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mohamed Zawahir affiliated with any hospitals?
According to CMS data, Mohamed Zawahir is affiliated with Kaleida Health and University Hospital S U N Y Health Science Center.
When was this NPI record last updated?
The NPPES record for Mohamed Zawahir was last updated on August 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Mohamed Maznawi Zawahir, M.D. · NPI 1619915709
Anesthesiology physician in Williamsville, New York. Individual provider, active in the CMS NPPES registry since June 2, 2006.
## Identity
- **NPI:** 1619915709 (Entity type: Individual)
- **Enumerated:** June 2, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 0101288845 (Virginia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 30 S CAYUGA RD, Williamsville, NY 14221-6728
- **Phone:** (716) 632-1088
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 9 organizations under Medicare reassignment (form CMS-855R): Maple Gate Anesthesiologists, P.C. (NPI 1528072709, Cheektowaga, NY); Wny Medical Management, LLC (NPI 1972872919, Amherst, NY); Great Lakes Anesthesiology, PC (NPI 1306852181, Buffalo, NY); U Of R Anesthesiology Group (NPI 1609806488, Rochester, NY); Upstate Medical Anesthesiology Group, Inc. (NPI 1851485759, Syracuse, NY); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1994
## Record status
- **NPPES last updated:** August 20, 2026
- **Other identifiers:** Medicaid 034439900 (DC)
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Source: [NPI Profile](https://npiprofile.com/npi/1619915709) · Data from the CMS NPPES public registry.