Harry G. Greditzer Iv, MD

Medicare activity in 2024

Official CMS public-use data for Harry G. Greditzer Iv, 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. Mri scan of lower spinal canal without contrast (72148)202 services
2. Mri scan of leg joint without contrast (73721)159 services
3. Mri scan of arm joint without contrast (73221)75 services
4. Mri scan of upper spinal canal without contrast (72141)67 services
5. Ct scan of leg without contrast (73700)45 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%
• Arthritis75%
• High blood pressure67%
• Ischemic heart disease32%
• Anxiety31%
• Osteoporosis30%

Hospitals where Harry G. Greditzer Iv works

Medicare's Facility Affiliation Data lists Harry G. Greditzer Iv 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.

• Hospital for Special SurgeryNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 330270
• Stamford HospitalStamford, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070006

Practice locations

Addresses where Harry G. Greditzer Iv is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 10; the Medicare profile lists all.

• 1 Blachley RdStamford, CT 06902 (203) 705‑2400
• 1133 Westchester AveWhite Plains, NY 10604 (212) 606‑1000
• 1309 N Flagler DrWest Palm Bch, FL 33401 (561) 655‑5511
• 168 39th StBrooklyn, NY 11232 (212) 774‑2474
• 210 S Federal Hwy, Suite 403Hollywood, FL 33020 (954) 927‑1776

Group practices

Medicare enrollment lists Harry G. Greditzer Iv as a member of these groups (CMS data updated October 2, 2026).

• Hss-Florida Physicians LLC61 clinicians in the group
• NY Society for the Relief of the Ruptured and Crippled30 clinicians in the group
• QMG, LLC28 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in Connecticut →

Other radiologists in Stamford

Clinicians with the same Medicare primary specialty in Stamford, CT — not a recommendation.

• Shari T. Jawetz, MD
• Elizabeth A. Gaary, MD
• Darryl B. Sneag, MD
• Hollis G. Potter, MD
• Gary A. Dellacerra, DO
• Angela Yim, MD
• Todd Miller, MD
• Howard S. Liu, MD

All radiologists in Stamford →

Other clinicians in Hss-Florida Physicians LLC

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

• Shari T. Jawetz, MD
• Darryl B. Sneag, MD
• Hollis G. Potter, MD
• Max J. Piasecki, PT
• Marie-Adelaide Robinson, PT
• Joseph L. Chazen, 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