Jennifer B. Gannon, MD

Medicare activity in 2024

Official CMS public-use data for Jennifer B. Gannon, 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. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)87 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)67 services
3. Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)51 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)34 services
5. Bacterial colony count, urine (87086)18 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 cholesterol75%
• High blood pressure50%
• Arthritis46%
• Osteoporosis41%
• Anxiety25%
• Depression22%

Hospitals where Jennifer B. Gannon works

Medicare's Facility Affiliation Data lists Jennifer B. Gannon 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

Practice locations

Addresses where Jennifer B. Gannon is enrolled with Medicare (CMS data updated October 2, 2026).

• 90 S Bedford RdMount Kisco, NY 10549 (914) 241‑1050

Group practices

Medicare enrollment lists Jennifer B. Gannon as a member of this group (CMS data updated October 2, 2026).

• Optum Medical Care PC1,010 clinicians in the group

Specialties

• Obstetrics/Gynecologyprimary

Find other Obstetrics/Gynecology doctors in New York →

Other OB-GYNs in Mount Kisco

Clinicians with the same Medicare primary specialty in Mount Kisco, NY — not a recommendation.

• Nicholas J. Tarricone, MD
• Francis Michael Shaw, MD
• Wenqi A. Ouyang, MD
• Amy T. Magneson, MD
• Christine Cheng, MD
• Kusum Vasudeva, MD
• David Menges, DO
• Myles S. Kobren, MD

All OB-GYNs in Mount Kisco →

Other clinicians in Optum Medical Care PC

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

• Thomas M. Karoff, DO
• Gurminder Singh, MD
• Robert Knotts, MD
• Pakeeza Alam, MD
• Daniel M. Rothberg, MD
• Fatos Rugova, MD

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