SIERRA LEXIE MOYNIHAN
NPI 1265132765
Physician Assistant in Portsmouth, NH

Q: What is Sierra Moynihan's NPI number?

The NPI number for Sierra Moynihan is 1265132765. It was assigned to this individual provider in the NPPES registry on March 6, 2023.

Q: What is Sierra Moynihan's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Q: When was this NPI record last updated?

The NPPES record for Sierra Moynihan was last updated on November 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since March 06, 2023PECOS Enrolled

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

NPPES record last updated: November 19, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 19, 2025, Jul 10, 2024, May 3, 2024 and 1 more (4 updates tracked since 2023).

On this page

About Sierra Lexie Moynihan NPPES

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

SIERRA LEXIE MOYNIHAN (NPI 1265132765) is an individual physician assistant in Portsmouth, New Hampshire, licensed in New Hampshire (2178) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1265132765

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameSIERRA LEXIE MOYNIHAN

Location Address333 BORTHWICK AVEPortsmouth, NH 03801-7128

Mailing Address5 Green StExeter, NH 03833-1705 · (774) 219-3929

Phone(603) 436-5110

Sole ProprietorYes

Enumeration DateMarch 6, 2023

Last NPPES UpdateNovember 19, 20254 updates tracked since enumeration

NPPES CertifiedNovember 19, 2025

✔ NPI 1265132765 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in NH · 2178

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

333 BORTHWICK AVE, Portsmouth, NH 03801

Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sierra Lexie Moynihan is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Areas of Expertise CMS Part B claims 2

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.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

161 services158 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

68 services68 patients

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

$71.85 typical visit price

range $18.70 – $142.15

Typical copayment $17.96 (range $4.67 – $35.53)

Most-billed visit code 99213

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