Herlen J. Alencar, MD

Medicare activity in 2024

Official CMS public-use data for Herlen J. Alencar, 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. X-ray of chest, 1 view (71045)473 services
2. X-ray of chest, 2 views (71046)341 services
3. Ct scan head or brain without contrast (70450)128 services
4. Ct scan of abdomen and pelvis with contrast (74177)104 services
5. Drainage of fluid from abdominal cavity using imaging guidance (49083)83 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 cholesterol72%
• Arthritis50%
• Ischemic heart disease35%
• Anxiety34%
• Depression31%

Hospitals where Herlen J. Alencar works

Medicare's Facility Affiliation Data lists Herlen J. Alencar 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.

• Concord HospitalConcord, NH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 300001
• Concord Hospital- FranklinFranklin, NH · Critical Access Hospital · Emergency services: listed by Medicare · CCN 301306
• Concord Hospital- LaconiaLaconia, NH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 300005
• 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 Herlen J. Alencar is enrolled with Medicare (CMS data updated October 2, 2026).

• 248 Pleasant StConcord, NH 03301 (603) 228‑1521
• 250 Pleasant StConcord, NH 03301 (603) 225‑2711

Group practices

Medicare enrollment lists Herlen J. Alencar as a member of these groups (CMS data updated October 2, 2026).

• X-Ray Professional Association63 clinicians in the group
• Concord Imaging Center21 clinicians in the group

Specialties

• Interventional Radiologyprimary
• Diagnostic Radiologyalso

Find other Interventional Radiology doctors in New Hampshire →

Other interventional radiologists in New Hampshire

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

• Hilary L. Swift, DO
• Ari Salis, MD
• Bruce Kovalenko, MD
• Ethan M. Dobrow, MD
• Thomas Burdick, MD
• Clifford J. Eskey, MD
• John M. Gemery, MD
• Ryan Kiefer, MD

All interventional radiologists in New Hampshire →

Other clinicians in X-Ray Professional Association

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

• Adrienne R. Greenlaw, MD
• Jesse B. Smith, MD
• Michael P. Bronnenberg
• Daniel T. Zapton, MD
• Gregory A. Bonci, MD
• Matthew Dimasi, 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