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Clinic Type

Internal Medicine

Address

Westchester, NY (Katona? Katonah)

Phone

+1-914-769-0268

Email

foundation@northwell.edu

Opening Hours

Monday–Friday 9am–5pm (administrative hours)

Emergency Care

For a Northwell ambulance, call (833) 259-2367.

Services Offered

  • Internal medicine
  • Gastroenterology
  • Nephrology
  • Primary care

Insurance & Payment

  • Most insurance plans

When scheduling, please confirm your insurance is accepted at this location.

Languages Spoken

FAQs

Is your insurance accepted?

We accept most insurance plans. When scheduling your appointment, please confirm your insurance is accepted at this location.

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Birdeye (Northwell Health Physician Partners Obstetrics & Gynecology at Valhalla): 3 star (2 reviews)
  • Vitals (Northwell Health Physician Partners at Valhalla): No rating shown (be first to leave a review) (Not provided)
  • Vitals (Northwell Health: Valhalla, NY): 3.8 and 3.9 (provider-level ratings) (Not provided)
  • Healthgrades (Northwell Health Physician Partners at Valhalla): Rating not shown in snippet; testimonial text present (Not provided)

Patients praise

  • Some patients express good bedside manner/concern and feeling comfortable (Healthgrades snippet).
  • Northwell physician profile pages indicate strong overall patient ratings for specific doctors (Northwell.edu pages).

Common complaints

  • Patient complaint about appointment scheduling/phone wait and being hung up (localitybiz snippet).
  • BBB complaints summary indicates multiple customer complaints over recent years, including issues characterized as billing/financial department problems (BBB page).
  • Doctor-office ratings on some directories are relatively low or limited review counts (Birdeye 3-star with 2 reviews; provider ratings around high-3 range on Vitals).

"“Not happy, called to make an appointment, after waiting on hold for over 30 minutes, gave them my name and dob and told them I would like to schedule an appointment, and they hung up on me.”"

localitybiz.com review snippet for Northwell Health Physician Partners Obstetrics & Gynecology at Valhalla

"“Expels everything. Makes you feel comfortable.”"

healthgrades.com snippet (patient wording about Northwell Health Physician Partners at Valhalla)

"“Overall patient rating based on 233 reviews. 4.8. 233 ratings…”"

northwell.edu doctor profile (Christine Tholany, DO)

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

More internal medicine clinics in Valhalla

Valhalla, NY·Internal Medicine

WMCHealth (Westchester Medical Center Health Network) is a nonprofit, multi-hospital system based in Valhalla, NY, serving the Hudson Valley. It operates about 9 hospitals across 7 campuses with 60+ ambulatory sites, including the region’s only Level I adult/pediatric trauma center and the area’s only acute care children’s hospital. The network employs more than 13,000 people and supports extensive specialty services, including internal medicine, primary care, transplant, neurology, mental health, cardiology, cancer care, and more. It is the largest Medicaid provider in the region and serves roughly 2.5 million residents over a large geographic area. - Headquarters: 100 Woods Road, Valhalla, NY 10595 - main contact: 914-493-7000 - Website: wmchealth.org - Also known as: WMC Health If you’re seeking internal medicine or primary care physicians specifically in Hawthorne or Valhalla, WMCHealth operates through multiple campuses and affiliated practices in the Hudson Valley and nearby regions. For precise internal medicine providers in Hawthorne or Valhalla, consider checking the WMCHealth physician directory or contacting the main line to be connected with an internal medicine/primary care physician near your location.

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