Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

KRISTIAN LEIGH ORESTIS PMHNP-BC, CNM
NPI 1144593484
Nurse Practitioner - Psychiatric/Mental Health in Stratham, NH

Active since February 16, 2012PECOS Enrolled
20 PORTSMOUTH AVENUE STE 1, MBN 207, STRATHAM, NH 03885(603) 502-6224 Get Directions Write a Review

NPPES record last updated: July 9, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 9, 2026, May 15, 2026, Aug 3, 2021 (3 updates tracked since 2021).

About Kristian Leigh Orestis Pmhnp-bc, Cnm NPPES

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

KRISTIAN LEIGH ORESTIS PMHNP-BC, CNM (NPI 1144593484) is an individual psychiatric/mental health provider in Stratham, New Hampshire, licensed in New Hampshire (052715-23) and active in the NPI registry since February 2012. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1144593484
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameKRISTIAN LEIGH ORESTISCredential: PMHNP-BC, CNM
Location Address20 PORTSMOUTH AVENUE STE 1, MBN 207Stratham, NH 03885
Mailing Address20 Portsmouth Ave Ste 1Stratham, NH 03885-6528 · (603) 502-6224 · Fax (603) 633-3309
Sole ProprietorYes
Enumeration DateFebruary 16, 2012
Last NPPES UpdateJuly 9, 20263 updates tracked since enumeration
NPPES CertifiedJuly 9, 2026
NPI 1144593484 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
Licenses Licensed in NH · 052715-23 Licensed in MA · RN265795
Also ListedAdvanced Practice MidwifeTaxonomy 367A00000X · License RN265795 (MA)
20 PORTSMOUTH AVENUE STE 1, Stratham, NH 03885

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Kristian Leigh Orestis Pmhnp-bc, Cnm 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03885 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.

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 Kristian Orestis's NPI number?

The NPI number for Kristian Orestis is 1144593484. It was assigned to this individual provider in the NPPES registry on February 16, 2012.

Where is Kristian Orestis located?

Kristian Orestis practices at 20 Portsmouth Avenue Ste 1 Mbn 207, Stratham, NH 03885. The listed phone number is (603) 502-6224.

What is Kristian Orestis's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Kristian Orestis enrolled in Medicare?

Yes. Kristian Orestis is registered in the Medicare PECOS enrollment system.

What insurance does Kristian Orestis accept?

Health plans from Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield and WellSense Health Plan list Kristian Orestis 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.

When was this NPI record last updated?

The NPPES record for Kristian Orestis was last updated on July 9, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.