DUANE ALLAN DIETZ M.D.
NPI 1902872294
Preventive Medicine - Undersea and Hyperbaric Medicine in Concord, NH
About Duane Allan Dietz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DUANE ALLAN DIETZ M.D. (NPI 1902872294) is an individual undersea and hyperbaric medicine provider in Concord, New Hampshire, licensed in New Hampshire (16751) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Concord Hospital, and maintains a secondary practice location in Concord.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
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
Duane Allan Dietz M.d. 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
3Medicare enrollment records show Duane Dietz reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Concord, NH 03301
- Reassigned Medicare billing, New Hampshire enrollment
- 636 clinicians in this Medicare group
Franklin, NH 03235
- Reassigned Medicare billing, New Hampshire enrollment
- 209 clinicians in this Medicare group
Laconia, NH 03246
- Reassigned Medicare billing, New Hampshire enrollment
- 409 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 9
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.
Concord Hospital
Acute Care Hospitals · Concord, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03301 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.
Referred Medical Equipment & Supplies CMS DME claims 12
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CONCORD, NH 03301
CONCORD, NH 03301
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 Duane Dietz's NPI number?
The NPI number for Duane Dietz is 1902872294. It was assigned to this individual provider in the NPPES registry on February 27, 2006.
Where is Duane Dietz located?
Duane Dietz practices at 248 Pleasant St Ste G100, Concord, NH 03301. The listed phone number is (603) 230-1970.
What is Duane Dietz's specialty?
The primary specialty registered for this NPI is Preventive Medicine, specializing in Undersea and Hyperbaric Medicine, with taxonomy code 2083P0011X.
Is Duane Dietz enrolled in Medicare?
Yes. Duane Dietz 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 Duane Dietz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Duane Dietz reassigns Medicare benefits to 3 organizations: Concord Hospital, Inc. (Concord, NH), Concord Hospital-Franklin (Franklin, NH) and Concord Hospital-Laconia (Laconia, 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 Duane Dietz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Duane Dietz accept?
Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and WellSense Health Plan list Duane Dietz 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 Duane Dietz affiliated with any hospitals?
According to CMS data, Duane Dietz is affiliated with Concord Hospital.
When was this NPI record last updated?
The NPPES record for Duane Dietz was last updated on September 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.