Dr. William Mazanitis, MD
Anesthesiology in Mount Kisco, New York
1386644508- Practice location
- 400 E Main St, Northern Westchester Hospital, Mount Kisco, NY 10549-3417
- Phone
- 914-666-1691
- Fax
- —
- Last updated
- July 13, 2026
William Mazanitis is an Anesthesiology based in Mount Kisco, NY. William Mazanitis practices in Mount Kisco, NY and has the professional credentials of MD. The NPI Number for William Mazanitis is 1386644508 and holds a License No. 150470 (NY). The current practice location address for William Mazanitis is 400 E Main St, Northern Westchester Hospital, Mount Kisco, NY 10549-3417 and can be reached out via phone at 914-666-1691.
Provider Profile Details
- NPI Number
- 1386644508
- Provider Name
- William Mazanitis
- Credential
- MD
- Provider Entity Type
- Individual
- Gender
- Male
- Address
- 400 E Main St, Northern Westchester Hospital, Mount Kisco, NY 10549-3417
- Phone Number
- 914-666-1691
- Primary Taxonomy
- Anesthesiology · 207L00000X
- Sole Proprietor
- No
- Provider Enumeration Date
- July 29, 2005
- Last Update Date
- July 13, 2026
- NPI Status
- Active
Provider Business Practice Location Address Details
- Address
- 400 E Main St
Northern Westchester Hospital
Mount Kisco, NY 10549-3417 - City
- Mount Kisco
- State
- New York
- Zip
- 10549-3417
- Phone Number
- 914-666-1691
Provider Business Mailing Address Details
- Address
- 43 Kensico Dr
2ND Floor
Mount Kisco, NY 10549-1009 - City
- Mount Kisco
- State
- NY
- Zip
- 10549-1009
- Phone Number
- 914-666-8866
- Fax Number
- 914-666-6777
License Information
- License Number
- 150470
- License State
- NY
- Taxonomy
- Anesthesiology · 207L00000X · Primary
Legacy Identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| No legacy identifiers (Medicaid, Medicare or plan IDs) are on file for this provider. | |||
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Frequently Asked Questions
What is the NPI number of Dr. William Mazanitis, MD?
The NPI number of Dr. William Mazanitis, MD is 1386644508. It was assigned on July 29, 2005 and is currently active in the NPPES registry.
What is the specialty of Dr. William Mazanitis, MD?
Dr. William Mazanitis, MD is registered under the primary taxonomy Anesthesiology (code 207L00000X), licensed in NY under license number 150470.
Where does Dr. William Mazanitis, MD practice?
The practice location is 400 E Main St, Northern Westchester Hospital, Mount Kisco, NY 10549-3417. The office can be reached at 914-666-1691 (phone).
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). It is used in HIPAA standard transactions.
How do I verify this NPI record?
This record is sourced from the public NPPES NPI Registry maintained by CMS. You can confirm it by searching NPI 1386644508 directly on the NPPES registry website.