Nikolaos Zacharias, M.D.
Vascular Surgery Physician · Lebanon, NH
Nikolaos Zacharias, M.D. is a vascular surgery physician with a practice address in Lebanon, New Hampshire, and NPI 1023251717, issued on Apr 12, 2009. Check the license (New Hampshire 17544, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Nikolaos Zacharias
- Credential
- M.D.
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- License number
- 17544 NH
Self-reported in NPPES; status is on the state search - Practice location
- 1 Medical Center Dr, Lebanon, NH 03756
- Phone
- (603) 650-8677
- Enumerated
- Apr 12, 2009
- Record last updated
- Jan 27, 2026
- Medicare enrollment
- Enrolled (PECOS I20161025000750); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- 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 Nikolaos Zacharias in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 17544Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average vascular surgery physician in 2024
28 Medicare Part D claims for 21 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $273.09
2 payments; by number, the most common kind was food and beverage; the largest payer was Inari Medical, Inc. The 4,059 providers of this specialty with any payment received $6,178.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Foundation Medical Partners IncMilford, NH
- Massachusetts General Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nikolaos Zacharias among 41 vascular surgery physician records in New Hampshire
Nikolaos Zacharias, M.D. 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 2009, is newer than 68% of them.
- NPI issued2009 · 68% of these records are older, 24% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated2002 · 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 Nikolaos Zacharias, M.D.'s NPI number?
Nikolaos Zacharias, M.D.'s National Provider Identifier (NPI) is 1023251717, issued on Apr 12, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Nikolaos Zacharias, M.D. located?
The NPPES record lists a practice address at 1 Medical Center Dr, Lebanon, NH, 03756. Phone: (603) 650-8677. Providers update this record themselves, so call before visiting.
How can I verify Nikolaos Zacharias, M.D.'s license?
NPPES lists New Hampshire license number 17544, 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.
How much does Nikolaos Zacharias, M.D. prescribe under Medicare Part D?
In 2024, Nikolaos Zacharias, M.D. had 28 Medicare Part D claims for 21 beneficiaries; the average among vascular surgery physician prescribers was 201. Part D covers Medicare prescriptions only.
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.