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KATHERINE MAGNESS CLAESSON APRN
NPI 1063200574
Nurse Practitioner - Acute Care in Concord, NH

Active since April 26, 2025PECOS EnrolledAccepts Medicare Assignment
246 PLEASANT ST STE 205, CONCORD, NH 03301(603) 224-0584(603) 227-7560 Get Directions Write a Review

NPPES record last updated: September 5, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Katherine Magness Claesson Aprn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATHERINE MAGNESS CLAESSON APRN (NPI 1063200574) is an individual acute care provider in Concord, New Hampshire, licensed in New Hampshire (115395-23) and active in the NPI registry since April 2025. She is enrolled in Medicare PECOS, is affiliated with Concord Hospital, and is a graduate of Other (2025).

NPPES Registry Identity

NPI1063200574
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameKATHERINE MAGNESS CLAESSONCredential: APRN
Location Address246 PLEASANT ST STE 205Concord, NH 03301-7546
Mailing Address250 Pleasant StConcord, NH 03301-2598 · (603) 227-7000 · Fax (603) 227-7827
Phone(603) 224-0584
Fax(603) 227-7560
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateApril 26, 2025
Last NPPES UpdateSeptember 5, 2025
NPPES CertifiedSeptember 5, 2025
✔ NPI 1063200574 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in NH · 115395-23
Also ListedRegistered NurseTaxonomy 163W00000X · License RN57028 (ME)
246 PLEASANT ST STE 205, Concord, NH 03301
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, WellSense Health Plan.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

Katherine Magness Claesson Aprn 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.

PECOS PAC ID3072017805
PECOS Enrollment IDI20250916002566
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300001
Location250 Pleasant StConcord, NH 03301 · Merrimack County
Birthing friendly

Physician 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.

New Patient
$89.14 typical visit price
range $57.75 – $174.26
Typical copayment $22.28 (range $14.43 – $43.56)
Most-billed visit code 99203
Established Patient
$101.54 typical visit price
range $18.70 – $142.15
Typical copayment $25.38 (range $4.67 – $35.53)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. DAVID HARRISON SARGENT PA-C
Physician Assistant (Surgical)
246 PLEASANT ST STE 205
CONCORD, NH 03301
Merrimack County (603) 224-0584
ANNE C. GRANFIELD MD
Colon & Rectal Surgery
246 PLEASANT ST STE 205
CONCORD, NH 03301
Merrimack County (603) 224-0584
DR. MICHAEL DANIEL PAUL MD
Surgery
246 PLEASANT ST STE 205
CONCORD, NH 03301
Merrimack County (603) 224-0584
BLAKE NANCY LOPES PA
Physician Assistant
246 PLEASANT ST STE 205
CONCORD, NH 03301
Merrimack County (603) 224-0584
PHILLIP GRAY
Surgery
246 PLEASANT ST STE 205
CONCORD, NH 03301
Merrimack County (603) 224-0584
MATTHEW CARROLL
Surgery
246 PLEASANT ST STE 205
CONCORD, NH 03301
Merrimack County (603) 224-0584
DR. CHRISTIAN PETER WILKE MD
Surgery
246 PLEASANT ST STE 205
CONCORD, NH 03301
Merrimack County (603) 224-0584
JUSTIN HERBERT SOULE PA-C
Physician Assistant
246 PLEASANT ST STE 205
CONCORD, NH 03301
Merrimack County (603) 227-7000

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 Katherine Claesson's NPI number?

The NPI number for Katherine Claesson is 1063200574. It was assigned to this individual provider in the NPPES registry on April 26, 2025.

Where is Katherine Claesson located?

Katherine Claesson practices at 246 Pleasant St Ste 205, Concord, NH 03301. The listed phone number is (603) 224-0584.

What is Katherine Claesson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Katherine Claesson enrolled in Medicare?

Yes. Katherine Claesson 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 Katherine Claesson accept?

Health plans from Ambetter from NH Healthy Families and WellSense Health Plan list Katherine Claesson 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 Katherine Claesson affiliated with any hospitals?

According to CMS data, Katherine Claesson is affiliated with Concord Hospital.

When was this NPI record last updated?

The NPPES record for Katherine Claesson was last updated on September 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.