Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Eric H Twerdahl Jr., MD

Individual provider Vascular Surgery Physician · NPI 1093035461

Eric H Twerdahl Jr., MD is a Vascular Surgery in Lebanon, New Hampshire. Graduated from Harvard Medical School in 2010, 16 years ago. Practices with Elliot Professional Services, a 424-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in District of Columbia, Massachusetts, New Hampshire and Virginia.

Years since qualifying
16
Trained at
Harvard Medical School
Licensed in
DC, MA, NH, VA
In the registry since
2010
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1 Medical Center Dr
Lebanon, NH 03756-0001
Phone: (603) 650-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 2150 Pennsylvania Ave Nw, Washington, DC 20037-3201 — (202) 741-3210
  • 8600 Old Georgetown Rd, Bethesda, MD 20814-1422 — (301) 896-2578
  • 1215 Lee St, Charlottesville, VA 22908-0816 — (434) 243-1000

Specialties & licences

Vascular Surgery Physician (primary) Taxonomy 2086S0129X · Licence 35090 (NH)
Vascular Surgery Physician Taxonomy 2086S0129X · Licence MD210001833 (DC)
Surgery Physician Taxonomy 208600000X · Licence L-244073 (MA)
Vascular Surgery Physician Taxonomy 2086S0129X · Licence 0101257909 (VA)

Record details

NPI number1093035461
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 8, 2010
Last updated in NPPESMay 28, 2026
Certification dateMay 28, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyVASCULAR SURGERY
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 2010 (16 years in practice)
Group practice Elliot Professional Services — 424 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

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