Hennessey M. Skehan, MD

Medicare activity in 2024

Official CMS public-use data for Hennessey M. Skehan, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)56 services
2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)32 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)23 services
4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)13 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High cholesterol70%
• High blood pressure58%
• Arthritis42%
• Depression24%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)24%

Hospitals where Hennessey M. Skehan works

Medicare's Facility Affiliation Data lists Hennessey M. Skehan at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Northern Westchester HospitalMount Kisco, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330162
• Phelps HospitalSleepy Hollow, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330261

Practice locations

Addresses where Hennessey M. Skehan is enrolled with Medicare (CMS data updated October 2, 2026).

• 701 N BroadwaySleepy Hollow, NY 10591 (914) 366‑3000

Group practices

Medicare enrollment lists Hennessey M. Skehan as a member of this group (CMS data updated October 2, 2026).

• North Shore-Lij Medical PC6,440 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in New York →

Other family doctors in Sleepy Hollow

Clinicians with the same Medicare primary specialty in Sleepy Hollow, NY — not a recommendation.

• Rajiv K. Punn, MD
• Dmitriy Gagarkin, MD
• Robbins L. Gottlock, MD
• Andrea K. Ritchin, MD
• Erica Garcia, MD
• Srilakshmi Kadiyala, MD
• Monique A. Forsea, MD
• Osarieme Evbuomwan-Esene, MD

All family doctors in Sleepy Hollow →

Other clinicians in North Shore-Lij Medical PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Erin C. Krause, NP
• Manju J. Luke, DO
• Natallia B. Sheuka, MD
• Zumaira Fatima, MD
• Stavros E. Mountantonakis, MD
• Lindsay Averill, PA

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians