Eric H. Twerdahl, MD
Vascular Surgery Physician · Lebanon, NH
Eric H. Twerdahl, MD is a vascular surgery physician with a practice address in Lebanon, New Hampshire, and NPI 1093035461, issued on Jun 8, 2010. Check the license (New Hampshire 35090, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Eric H. Twerdahl
- Credential
- MD
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- License numbers
- 35090 NH
MD210001833 DC
L-244073 MA
0101257909 VA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Medical Center Dr, Lebanon, NH 03756
- Phone
- (603) 650-5000
- Enumerated
- Jun 8, 2010
- Record last updated
- May 28, 2026
- Medicare enrollment
- Enrolled (PECOS I20250926000434); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2010
- Entity
- Type 1 · individual
8 nearest vascular surgery physician records → All 41 in New Hampshire → Look up another NPI →
Also registered at 1 Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria Abbate, NPFamily Nurse Practitioner1669683637
- McCall Abbott, APRNFamily Nurse Practitioner1396292454
- Lauren AbbuhlStudent in an Organized Health Care Education/Training Program1760322986
- William Abdu, M.D.Orthopaedic Surgery of the Spine Physician1134162324
- Iryna Aberkorn, MDFamily Medicine Physician1780846071
- Majd Aboul Hosn, MDStudent in an Organized Health Care Education/Training Program1932901949
Verify Eric H. Twerdahl in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 35090Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4 hospitals and group practices
- Mary Hitchcock Memorial HospitalLebanon, NH · Acute Care Hospitals3 of 5 stars
- Dartmouth-Hitchcock ClinicLebanon, NH
- Elliot Professional ServicesManchester, NH
- Johns Hopkins Community Physicians, IncLaurel, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Eric H. Twerdahl among 41 vascular surgery physician records in New Hampshire
Eric H. Twerdahl, MD is one of 41 vascular surgery physician records with a practice address in New Hampshire. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 76% of them.
- NPI issued2010 · 76% of these records are older, 20% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated2010 · median 2005 among the 32 with a school on file
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Surgery Physician providers in New Hampshire
There are 41 vascular surgery physician records in New Hampshire.
All 41 in New Hampshire → Every provider in Lebanon → Vascular Surgery Physician nationwide →
The 8 vascular surgery physician records with the nearest ZIP codes
- Matthew AlefLebanon, NH 037561639371610
- Robert Chang, M.D.Lebanon, NH 037561316059058
- Jack Cronenwett, MDLebanon, NH 037561962412098
- Mark Fillinger, M.D.Lebanon, NH 037561508879024
- Philip Goodney, MDLebanon, NH 037561821193434
- David Kuwayama, MDLebanon, NH 037561265591333
- Brian Nolan, M.D.Lebanon, NH 037561144337569
- Richard Powell, M.D.Lebanon, NH 037561942316914
Common questions
What is Eric H. Twerdahl, MD's NPI number?
Eric H. Twerdahl, MD's National Provider Identifier (NPI) is 1093035461, issued on Jun 8, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Eric H. Twerdahl, MD located?
The NPPES record lists a practice address at 1 Medical Center Dr, Lebanon, NH, 03756. Phone: (603) 650-5000. Providers update this record themselves, so call before visiting.
How can I verify Eric H. Twerdahl, MD's license?
NPPES lists New Hampshire license number 35090, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.