Providers
913
Locations
23
Specialties
12
Insurance Plans
42
About Westchester Medical Center Advanced Physician Services Pc
Background and practice information
Westchester Medical Center Advanced Physician Services PC is a large multi-specialty medical practice based in Valhalla, NY, with 913 affiliated healthcare providers practicing across 23 locations in 2 states.
The practice brings together providers across multiple specialties, including physician assistant, anesthesiology, internal medicine, and nurse practitioner. Its providers are in-network with 42 insurance plans, though coverage varies by individual provider and should be confirmed before scheduling.
Across its providers, the practice has a solid average Merit-based Incentive Payment System (MIPS) score of 75.0 out of 100, a quality measure published by the Centers for Medicare & Medicaid Services.
Practice Locations
23 locations
Westchester Medical Center Advanced Physician Services PcPrimary
666 LEXINGTON AVE, Mount Kisco, NY 105493635
(914) 909-6900
Valhalla, NY
1266 providers
Poughkeepsie, NY
247 providers
Kingston, NY
230 providers
Hawthorne, NY
224 providers
Margaretville, NY
56 providers
Warwick, NY
26 providers
Suffern, NY
18 providers
New Windsor, NY
18 providers
Mamaroneck, NY
10 providers
Newburgh, NY
8 providers
Garden City, NY
8 providers
White Plains, NY
6 providers
Middletown, NY
6 providers
Elmsford, NY
4 providers
Pomona, NY
4 providers
Monroe, NY
4 providers
Stamford, CT
2 providers
Cornwall, NY
2 providers
Port Jervis, NY
2 providers
East Setauket, NY
1 provider
New Paltz, NY
1 provider
Carmel, NY
1 provider
Affiliations
Hospitals where providers at Westchester Medical Center Advanced Physician Services Pc hold admitting privileges
Insurance Networks
Accepted insurance plans and networks
Westchester Medical Center Advanced Physician Services Pc accepts 157 plans from 14 insurers, including Cigna, Humana, Aetna.
Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.
Quality & Performance
Specialties at Westchester Medical Center Advanced Physician Services Pc
Provider specialties represented at this practice
Healthcare Providers in Mount Kisco
5 providers practice here
Divya Malhotra, MD
Cardiovascular Disease (cardiology)
Mount Kisco, NY
Dominique Pape, MD
Obstetrics/gynecology · Telehealth
Mount Kisco, NY
Alessandra Maccormack, PA
Physician Assistant
Mount Kisco, NY
Andrew Katims, MD
Urology · Telehealth
Mount Kisco, NY
John Phillips, MD
Urology · Telehealth
Mount Kisco, NY
Frequently Asked Questions
Common questions about Westchester Medical Center Advanced Physician Services Pc
How many providers are at Westchester Medical Center Advanced Physician Services PC?
Westchester Medical Center Advanced Physician Services PC has 913 affiliated healthcare providers across 23 locations. You can browse the full provider roster, with specialties and locations, on this page.
What specialties does Westchester Medical Center Advanced Physician Services PC offer?
The practice includes providers in physician assistant, anesthesiology, internal medicine, and nurse practitioner, among others. Use the specialty filter on the provider list to find a specific type of provider.
What insurance does Westchester Medical Center Advanced Physician Services PC accept?
Providers at Westchester Medical Center Advanced Physician Services PC are collectively in-network with 42 insurance plans. Acceptance varies by individual provider, so confirm your specific plan with the office before your visit.
Does Westchester Medical Center Advanced Physician Services PC have a quality rating?
The practice's providers have an average MIPS quality score of 75.0 out of 100, based on Centers for Medicare & Medicaid Services data. MIPS measures performance across quality, cost, care coordination, and use of health technology.
Where is Westchester Medical Center Advanced Physician Services PC located?
Westchester Medical Center Advanced Physician Services PC's primary location is in Valhalla, NY, with 22 additional locations listed on this page. See the contact section for the full address and phone number.
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