DR. THOMAS JOSEPH LYDON M.D., PHD
NPI 1114947355
Emergency Medicine in Lebanon, NH
About Dr. Thomas Joseph Lydon M.d., Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THOMAS JOSEPH LYDON M.D., PHD (NPI 1114947355) is an individual emergency medicine provider in Lebanon, New Hampshire, licensed in New Hampshire (12705) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Wentworth-douglass Hospital, and is a graduate of Johns Hopkins University School Of Medicine (2001).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 6
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Thomas Joseph Lydon M.d., Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Thomas Lydon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lee, NH 03861
- Reassigned Medicare billing, New Hampshire enrollment
- 48 clinicians in this Medicare group
Dover, NH 03820
- Reassigned Medicare billing, New Hampshire enrollment
- 31 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Wentworth-Douglass Hospital
Acute Care Hospitals · Dover, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03756 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LEBANON, NH 03756
LEBANON, NH 03756
LEBANON, NH 03756
LEBANON, NH 03756
LEBANON, NH 03756
LEBANON, NH 03756
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Thomas Lydon's NPI number?
The NPI number for Thomas Lydon is 1114947355. It was assigned to this individual provider in the NPPES registry on July 20, 2006.
Where is Thomas Lydon located?
Thomas Lydon practices at 1 Medical Center Dr Dartmouth-Hitchcock Clinic, Lebanon, NH 03756. The listed phone number is (603) 650-7254.
What is Thomas Lydon's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Thomas Lydon enrolled in Medicare?
Yes. Thomas Lydon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Thomas Lydon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Lydon reassigns Medicare benefits to 2 organizations: Seacoast Emergency Physicians PC (Lee, NH) and Ocumed LLC (Dover, NH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thomas Lydon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Lydon accept?
Health plans from WellSense Health Plan list Thomas Lydon as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Thomas Lydon affiliated with any hospitals?
According to CMS data, Thomas Lydon is affiliated with Wentworth-Douglass Hospital.
When was this NPI record last updated?
The NPPES record for Thomas Lydon was last updated on May 29, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Thomas Joseph Lydon, M.D., PHD · NPI 1114947355
Emergency Medicine physician in Lebanon, New Hampshire. Individual provider, active in the CMS NPPES registry since July 20, 2006.
## Identity
- **NPI:** 1114947355 (Entity type: Individual)
- **Enumerated:** July 20, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 12705 (New Hampshire)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1 MEDICAL CENTER DR, DARTMOUTH-HITCHCOCK CLINIC, Lebanon, NH 03756
- **Phone:** (603) 650-7254
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Seacoast Emergency Physicians PC (NPI 1740410133, Lee, NH); Ocumed LLC (NPI 1417788811, Dover, NH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Johns Hopkins University School Of Medicine, class of 2001
## Record status
- **NPPES last updated:** May 29, 2008
- **Other identifiers:** Medicaid 1011608 (VT); Medicaid 30205179 (NH); Medicare PIN RE827601 (NH); and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1114947355) · Data from the CMS NPPES public registry.