Karen S. Hsu Blatman, MD

Medicare activity in 2024

Official CMS public-use data for Karen S. Hsu Blatman, 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. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)122 services
2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)35 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 pressure60%
• High cholesterol46%
• Arthritis44%
• Asthma43%
• Anxiety33%
• Depression29%

Hospitals where Karen S. Hsu Blatman works

Medicare's Facility Affiliation Data lists Karen S. Hsu Blatman 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.

• Alice Peck Day Memorial HospitalLebanon, NH · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 301305
• 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 Karen S. Hsu Blatman is enrolled with Medicare (CMS data updated October 2, 2026).

• 1 Medical Ctr DrLebanon, NH 03756 (603) 650‑5000

Group practices

Medicare enrollment lists Karen S. Hsu Blatman as a member of these groups (CMS data updated October 2, 2026).

• Dartmouth-Hitchcock Clinic1,472 clinicians in the group
• Mary Hitchcock Memorial Hospital1,280 clinicians in the group

Specialties

• Allergy/Immunologyprimary

Find other Allergy/Immunology doctors in New Hampshire →

Other allergist and immunologists in Lebanon

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

• Marcus S. Shaker, MD
• Erin L. Reigh, MD
• An V. Huynh, MD

All allergist and immunologists in Lebanon →

Other clinicians in Dartmouth-Hitchcock Clinic

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

• Elijah W. Stommel, MD
• Meena K. Moorthy, MD
• Glenn K. Banegura, MD
• Kathryn B. Kirkland, MD
• Ethan M. Karle, DO
• Ethan Kimball, PA

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