Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CLAYTON SEAN ABELN MD
NPI 1740926633
Emergency Medicine in Portsmouth, NH

Q: What is Clayton Abeln's NPI number?

The NPI number for Clayton Abeln is 1740926633. It was assigned to this individual provider in the NPPES registry on May 12, 2022.

Q: What is Clayton Abeln's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Clayton Abeln was last updated on July 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days 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.

Active since May 12, 2022PECOS EnrolledAccepts Medicare Assignment

333 BORTHWICK AVE, PORTSMOUTH, NH 03801(603) 436-5110 Get Directions Write a Review

NPPES record last updated: July 12, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 12, 2026, Jul 1, 2025, May 12, 2022 (3 updates tracked since 2022).

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About Clayton Sean Abeln Md NPPES

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

CLAYTON SEAN ABELN MD (NPI 1740926633) is an individual emergency medicine provider in Portsmouth, New Hampshire, licensed in New Hampshire (39597) and active in the NPI registry since May 2022. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Florida State University College Of Medicine (2022).

NPPES Registry Identity

NPI1740926633

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameCLAYTON SEAN ABELNCredential: MD

Location Address333 BORTHWICK AVEPortsmouth, NH 03801-4198

Mailing Address333 Borthwick AvePortsmouth, NH 03801-4198 · (603) 436-5110

Phone(603) 436-5110

Sole ProprietorNo

Medical School CMSFlorida State University College Of MedicineGraduated 2022

Enumeration DateMay 12, 2022

Last NPPES UpdateJuly 12, 20263 updates tracked since enumeration

NPPES CertifiedJuly 12, 2026

✔ NPI 1740926633 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

Licenses✔ Licensed in NH · 39597✔ Licensed in CT · 80682

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

333 BORTHWICK AVE, Portsmouth, NH 03801

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Secondary Practice Locations 3

Location 110 Central AveDover, NH 03820-4020 · Phone (603) 740-1500

Location 211 Whitehall RdRochester, NH 03867-3297 · Phone (603) 332-5211

Location 3603 Lafayette RdSeabrook, NH 03874-4279 · Phone (603) 474-6400

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

Clayton Sean Abeln 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.

PECOS PAC ID1850772773

PECOS Enrollment IDI20250528002310

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.

Physician 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.

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 20

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

DR. JOHN PAUL GENS JR. MD

Surgery

333 BORTHWICK AVE, SUITE 305
PORTSMOUTH, NH 03801

Rockingham County (603) 433-6994

YOO NA CHUN MD

Student in an Organized Health Care Education/Training Program