Vaheh Petrossian, MD

Medicare activity in 2024

Official CMS public-use data for Vaheh Petrossian, 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. Critical care, first 30-74 minutes (99291)143 services
2. Critical care, each additional 30 minutes (99292)35 services
3. Ultrasonic guidance for blood vessel access (76937)30 services
4. Insertion of artery tube for blood sampling or infusion through skin (36620)25 services
5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)22 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%
• Ischemic heart disease75%
• Heart failure55%
• Atrial fibrillation52%
• Chronic kidney disease48%

Hospitals where Vaheh Petrossian works

Medicare's Facility Affiliation Data lists Vaheh Petrossian 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.

• Banner - University Medical Center Tucson CampusTucson, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030064
• Mary Hitchcock Memorial HospitalLebanon, NH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 300003

Practice locations

Addresses where Vaheh Petrossian is enrolled with Medicare (CMS data updated October 2, 2026).

• 1 Medical Ctr DrLebanon, NH 03756 (603) 650‑5000
• 1625 N Campbell AveTucson, AZ 85719 (520) 694‑0111
• 2800 E Ajo WayTucson, AZ 85713 (520) 874‑2000

Group practices

Medicare enrollment lists Vaheh Petrossian as a member of these groups (CMS data updated October 2, 2026).

• Dartmouth-Hitchcock Clinic1,472 clinicians in the group
• Banner-University Medical Group1,072 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in New Hampshire →

Other anesthesiologists in Lebanon

Clinicians with the same Medicare primary specialty in Lebanon, NH — not a recommendation.

• Patrick T. Schofield, MD
• Christiana Driver, MD
• Lydia Grondin, MD
• Michael D. Herrick
• Marnie B. Welch, MD
• Hesham Ezz, MD
• Mei L. Wu, MD
• Myles D. Boone, MD

All anesthesiologists in Lebanon →

Other clinicians in Dartmouth-Hitchcock Clinic

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

• Ivy Riano Monsalve, MD
• Alexander P. Auchus, MD
• Toni L. Bowling
• Maria Ceron Y Ceron, MD
• Bryan G. Hybki, MD
• Robin J. Larson, 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