Adam B. Semegran, MD

Medicare activity in 2024

Official CMS public-use data for Adam B. Semegran, 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 low level od decision making, if using time, 20 minutes or more (99213)274 services
2. Removal of skin and tissue, 20.0 sq cm or less (11042)150 services
3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)123 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)100 services
5. Management of oxygen chamber therapy (99183)72 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 blood pressure75%
• High cholesterol75%
• Arthritis49%
• Ischemic heart disease38%
• Diabetes34%
• Chronic kidney disease26%

Hospitals where Adam B. Semegran works

Medicare's Facility Affiliation Data lists Adam B. Semegran 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
• Putnam Hospital CenterCarmel, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330273

Practice locations

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

• 400 E Main St, Suite 761Mount Kisco, NY 10549 (914) 241‑1050
• 90 S Bedford RdMount Kisco, NY 10549 (914) 241‑1050

Group practices

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

• Optum Medical Care PC1,010 clinicians in the group

Specialties

• General Surgeryprimary

Find other General Surgery doctors in New York →

Other general surgeons in Mount Kisco

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

• Anna Aronova, MD
• John Cha, MD
• Heidi L. Elliott
• Maud L. Lemercier, MD
• Camille Swain
• Dan S. Reiner, MD
• Lyda Rojas Carroll, MD
• Carl F. Calica, MD

All general surgeons in Mount Kisco →

Other clinicians in Optum Medical Care PC

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

• Jeffrey S. Snow, MD
• Taylor Cutonilli
• Tahsin Kabir
• Lisa A. Levite, NP
• Charity N. Excel Okechukwu, NP
• Jency Thomas, 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