Nina Schatz-Siemers, MD

Medicare activity in 2024

Official CMS public-use data for Nina Schatz-Siemers, 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. Special stained specimen slides to examine tissue, each additional procedure (88341)199 services
2. Pathology examination of tissue using a microscope, intermediate complexity (88305)198 services
3. Special stained specimen slides to examine tissue, initial procedure (88342)66 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 pressure57%
• Arthritis52%
• Osteoporosis34%
• Anxiety33%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)27%

Hospitals where Nina Schatz-Siemers works

Medicare's Facility Affiliation Data lists Nina Schatz-Siemers 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.

• New York-Presbyterian HospitalNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330101

Practice locations

Addresses where Nina Schatz-Siemers is enrolled with Medicare (CMS data updated October 2, 2026).

• 525 E 68th StNew York, NY 10065 (212) 746‑5454

Group practices

Medicare enrollment lists Nina Schatz-Siemers as a member of this group (CMS data updated October 2, 2026).

• Weill Medical College of Cornell2,051 clinicians in the group

Specialties

• Pathologyprimary

Find other Pathology doctors in New York →

Other pathologists in New York

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

• Alexander Y. Chan, MD
• Ying Zhang
• Mala Gupta, MD
• Rugved Pattarkine
• William D. Travis, MD
• Rod Jamshidian, MD
• Nabeel Borazan, MD
• Yihe Yang, MD

All pathologists in New York →

Other clinicians in Weill Medical College of Cornell

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

• Laura Alonso, MD
• Maria Baldo
• Marc B. Ehrenpreis, MD
• Diana Anca, MD
• Alessandro Fichera, MD
• Vibhuti Chopra, 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