DR. AVERY N NELSON MD
NPI 1457844912
Otolaryngology in Keene, NH
About Dr. Avery N Nelson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AVERY N NELSON MD (NPI 1457844912) is an individual otolaryngology provider in Keene, New Hampshire, licensed in New Hampshire (24202) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Mchenry, and maintains a secondary practice location in Geneva.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
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. Avery N Nelson 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.
Medicare Billing Reassignments
5Medicare enrollment records show Avery Nelson reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 450 clinicians in this Medicare group
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 2,999 clinicians in this Medicare group
Lebanon, NH 03756
- Reassigned Medicare billing, New Hampshire enrollment
- 2,620 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 1,664 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwestern Medicine Mchenry
Acute Care Hospitals · Mchenry, ILNorthwestern Medicine Delnor Community Hospital
Acute Care Hospitals · Geneva, ILNorthwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILMary Hitchcock Memorial Hospital
Acute Care Hospitals · Lebanon, NHCheshire Medical Center
Acute Care Hospitals · Keene, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03431 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.
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 Avery Nelson's NPI number?
The NPI number for Avery Nelson is 1457844912. It was assigned to this individual provider in the NPPES registry on June 10, 2018.
Where is Avery Nelson located?
Avery Nelson practices at 580 Court St North Building, Level 1A, Keene, NH 03431. The listed phone number is (603) 354-5496.
What is Avery Nelson's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Avery Nelson enrolled in Medicare?
Yes. Avery Nelson 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 Avery Nelson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Avery Nelson reassigns Medicare benefits to 5 organizations: Cheshire Medical Center (Keene, NH), Dartmouth-Hitchcock Clinic (Keene, NH), Mary Hitchcock Memorial Hospital (Lebanon, NH), Central Dupage Physician Group (Carol Stream, IL) and Northwestern Medical Faculty Foundation (Carol Stream, IL). 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 Avery Nelson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Avery Nelson affiliated with any hospitals?
According to CMS data, Avery Nelson is affiliated with Northwestern Medicine Mchenry, Northwestern Medicine Delnor Community Hospital, Northwestern Medicine Central Dupage Hospital, Mary Hitchcock Memorial Hospital and Cheshire Medical Center.
When was this NPI record last updated?
The NPPES record for Avery Nelson was last updated on September 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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. Avery N Nelson, MD · NPI 1457844912
Otolaryngology physician in Keene, New Hampshire. Individual provider, active in the CMS NPPES registry since June 10, 2018.
## Identity
- **NPI:** 1457844912 (Entity type: Individual)
- **Enumerated:** June 10, 2018
- **Primary specialty:** Otolaryngology · taxonomy 207Y00000X
- **State license:** 24202 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 580 COURT ST, NORTH BUILDING, LEVEL 1A, Keene, NH 03431
- **Phone:** (603) 354-5496 · **Fax:** (603) 354-5498
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Cheshire Medical Center (NPI 1093803397, Keene, NH); Dartmouth-Hitchcock Clinic (NPI 1174176861, Keene, NH); Mary Hitchcock Memorial Hospital (NPI 1023092053, Lebanon, NH); Central Dupage Physician Group (NPI 1033149844, Carol Stream, IL); Northwestern Medical Faculty Foundation (NPI 1346235314, Carol Stream, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of South Carolina School Of Medicine, class of 2018
## Record status
- **NPPES last updated:** September 25, 2025
- **Other identifiers:** Other 24202 (NH); Other 125.072607 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1457844912) · Data from the CMS NPPES public registry.