Daniel F. Lozeau, MD

Medicare activity in 2024

Official CMS public-use data for Daniel F. Lozeau, 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. Destruction of precancer skin growth, 2-14 growths (17003)916 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)510 services
3. Destruction of precancer skin growth, 1 growth (17000)309 services
4. Pathology examination of tissue using a microscope, intermediate complexity (88305)308 services
5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)259 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%
• Arthritis45%
• Ischemic heart disease41%
• Diabetes32%
• Anxiety23%

Hospitals where Daniel F. Lozeau works

Medicare's Facility Affiliation Data lists Daniel F. Lozeau 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.

• Suny/Stony Brook University HospitalStony Brook, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330393

Practice locations

Addresses where Daniel F. Lozeau is enrolled with Medicare (CMS data updated October 2, 2026).

• 100 Nicolls RdStony Brook, NY 11790 (631) 444‑2222
• 1320 Stony Brook Rd, Suite 200Stony Brook, NY 11790 (631) 444‑4200

Group practices

Medicare enrollment lists Daniel F. Lozeau as a member of these groups (CMS data updated October 2, 2026).

• Stony Brook Pathologists, University Faculty Practice Corporation25 clinicians in the group
• Stony Brook Dermatology Associates, University Faculty Practice Corpor11 clinicians in the group

Specialties

• Dermatologyprimary

Find other Dermatology doctors in New York →

Other dermatologists in Stony Brook

Clinicians with the same Medicare primary specialty in Stony Brook, NY — not a recommendation.

• Tara L. Kaufmann, MD
• Marcia G. Tonnesen, MD
• Jeremy M. Hugh, MD
• Elyse S. Rafal, MD
• Adrienne M. Haughton, MD
• Neal R. Shah
• William Y. Guo, MD
• James J. Briley Jr., DO

All dermatologists in Stony Brook →

Other clinicians in Stony Brook Pathologists, University Faculty Practice Corporation

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

• Roberta J. Seidman, MD
• Sunjida Ahmed, MD
• Tahmeena Ahmed
• Linda J. Mamone, MD
• Brendan F. Boyce, MD
• Timothy R. Pal Jr., 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