DR. MICHAEL ZANG MD
NPI 1114041555
Pediatrics in Williamsville, NY
About Dr. Michael Zang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL ZANG MD (NPI 1114041555) is an individual pediatrics provider in Williamsville, New York, licensed in New York (253577) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Michael Zang Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Michael Zang reassigns Medicare billing to 6 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
- 515 clinicians in this Medicare group
Buffalo, NY 14203
- Reassigned Medicare billing, New York enrollment
- 217 clinicians in this Medicare group
Buffalo, NY 14220
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Mercy Hospital Of Buffalo
- 499 clinicians in this Medicare group
Niagara Falls, NY 14302
- Reassigned Medicare billing, New York enrollment
- 115 clinicians in this Medicare group
Rochester, NY 14623
- Reassigned Medicare billing, New York enrollment
- 2,285 clinicians in this Medicare group
Newark, NY 14513
- Reassigned Medicare billing, New York enrollment
- 679 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14221 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 16
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 Michael Zang's NPI number?
The NPI number for Michael Zang is 1114041555. It was assigned to this individual provider in the NPPES registry on March 19, 2007.
Where is Michael Zang located?
Michael Zang practices at 8643 Sheridan Dr, Williamsville, NY 14221. The listed phone number is (716) 565-9030.
What is Michael Zang's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Michael Zang enrolled in Medicare?
Yes. Michael Zang is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Michael Zang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Zang reassigns Medicare benefits to 6 organizations: Sisters Of Charity Hospital Of Buffalo New York (Cheektowaga, NY), University At Buffalo Pediatric Associates Inc (Buffalo, NY), Chs Neuroscience Group (Buffalo, NY), Niagara Falls Memorial Medical Center (Niagara Falls, NY), Rochester General Hospital (Rochester, NY) and 1 more organization, 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 Michael Zang'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 Michael Zang was last updated on October 14, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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. Michael Zang, MD · NPI 1114041555
Pediatrics physician in Williamsville, New York. Individual provider, active in the CMS NPPES registry since March 19, 2007.
## Identity
- **NPI:** 1114041555 (Entity type: Individual)
- **Enumerated:** March 19, 2007
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 253577 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 8643 SHERIDAN DR, Williamsville, NY 14221-6315
- **Phone:** (716) 565-9030
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Sisters Of Charity Hospital Of Buffalo New York (NPI 1043455199, Cheektowaga, NY); University At Buffalo Pediatric Associates Inc (NPI 1912928599, Buffalo, NY); Chs Neuroscience Group (NPI 1972883304, Buffalo, NY); Niagara Falls Memorial Medical Center (NPI 1982659256, Niagara Falls, NY); Rochester General Hospital (NPI 1174990303, Rochester, NY); and 1 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 14, 2016
- **Other identifiers:** Medicaid 03258500 (NY); Medicare PIN J400027749 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1114041555) · Data from the CMS NPPES public registry.