DR. CLAYTON PATRICK SMITH MD
NPI 1184184160
Radiology - Radiation Oncology in Portsmouth, NH
About Dr. Clayton Patrick Smith Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CLAYTON PATRICK SMITH MD (NPI 1184184160) is an individual radiation oncology provider in Portsmouth, New Hampshire, licensed in New Hampshire (25062) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Concord Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
Secondary Practice Locations 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Clayton Patrick Smith Md 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.
Areas of Expertise CMS Part B claims 13
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Concord Hospital
Acute Care Hospitals · Concord, NHMary Hitchcock Memorial Hospital
Acute Care Hospitals · Lebanon, NHConcord Hospital- Laconia
Acute Care Hospitals · Laconia, NHElliot Hospital
Acute Care Hospitals · Manchester, NHWentworth-Douglass Hospital
Acute Care Hospitals · Dover, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03801 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Clayton Smith's NPI number?
The NPI number for Clayton Smith is 1184184160. It was assigned to this individual provider in the NPPES registry on March 25, 2019.
Where is Clayton Smith located?
Clayton Smith practices at 121 Corporate Dr, Portsmouth, NH 03801. The listed phone number is (603) 230-6100.
What is Clayton Smith's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Clayton Smith enrolled in Medicare?
Yes. Clayton Smith 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.
What insurance does Clayton Smith accept?
Health plans from Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Clayton Smith 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 Clayton Smith affiliated with any hospitals?
According to CMS data, Clayton Smith is affiliated with Concord Hospital, Mary Hitchcock Memorial Hospital, Concord Hospital- Laconia, Elliot Hospital and Wentworth-Douglass Hospital.
When was this NPI record last updated?
The NPPES record for Clayton Smith was last updated on July 22, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.