Jennifer C. Schwarz, MD

Medicare activity in 2024

Official CMS public-use data for Jennifer C. Schwarz, 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. Injection, denosumab, 1 mg (J0897)3,240 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)809 services
3. Insertion of needle into vein for collection of blood sample (36415)500 services
4. 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)274 services
5. Blood test, comprehensive group of blood chemicals (80053)248 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%
• Diabetes55%
• Arthritis50%
• Ischemic heart disease31%
• Osteoporosis31%

Hospitals where Jennifer C. Schwarz works

Medicare's Facility Affiliation Data lists Jennifer C. Schwarz 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.

• St Francis Hospital - The Heart CenterRoslyn, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330182

Practice locations

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

• 16450 Crossbay Blvd, Fl 2Howard Beach, NY 11414 (718) 622‑7405
• 90 S Bedford RdMount Kisco, NY 10549 (914) 241‑1050

Group practices

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

• Optum Medical Care PC1,010 clinicians in the group

Specialties

• Endocrinologyprimary

Find other Endocrinology doctors in New York →

Other endocrinologists in New York

Clinicians with the same Medicare primary specialty in New York — not a recommendation.

• Pegah Yousefzadeh, DO
• Tanvisha Mody
• Fiby E. Hanna, MD
• Tamar Reisman, MD
• Sanjiv V. Kinkhabwala, MD
• Jill B. Feffer, MD
• Amanda Pechman, MD
• Emilia P. Liao, MD

All endocrinologists in New York →

Other clinicians in Optum Medical Care PC

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

• Samy Ibrahim, MD
• Varun Kumar, MD
• Melissa A. Schaub, PT
• Christopher Allison, PA
• Zachary Boyd, MD
• Erica B. Sneider, 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