Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Mark Anthony Eid, M.D.
Surgery Physician in Lebanon, NH · enumerated 2017.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1326570417
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Registry record
Entity type Individual (Type 1)
Name Dr. Mark Anthony Eid
Credential M.D.
Sex Male
Practice address 1 Medical Center Dr Dept of, Lebanon, NH, 03756
Phone (603) 650-5211
Enumeration date Mar 29, 2017
Last updated in NPPES Mar 31, 2021
Taxonomy & licenses
390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Mark Eid practice?
The practice location on file with NPPES is in Lebanon, NH. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mark Eid?
The National Provider Identifier (NPI) for Mark Eid is 1326570417, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Kristin Clark Certified Registered Nurse Anesthetist · Lebanon, NH NPI 1942465810 Shabnam Momtahen Anatomic Pathology Physician · Lebanon, NH NPI 1831456078 Kristen Muller Anatomic Pathology Physician · Lebanon, NH NPI 1558628321 Elizabeth Wilder Certified Registered Nurse Anesthetist · Lebanon, NH NPI 1316338510 Jennifer Walker Nurse Practitioner · Lebanon, NH NPI 1700396132 Bethany Feis Internal Medicine Physician · Lebanon, NH NPI 1790245769 Natalya Mcnamara Student in an Organized Health Care Education/Training Program · Lebanon, NH NPI 1043888480 Melanie Flaherty Student in an Organized Health Care Education/Training Program · Lebanon, NH NPI 1639829302
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-03-31.