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

Q: 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.

Q: 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.

Q: When was this NPI record last updated?

The NPPES record for Kristian Orestis was last updated on July 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 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: October 18, 2026.

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

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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

Phone(603) 502-6224

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

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

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.

Medicare Billing Reassignments

Medicare enrollment records show Kristian Orestis reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Amoskeag Health

25 mi

Federally Qualified Health Center (FQHC)

201 JACK LOVERING DR RM 261
Manchester, NH 03109

Reassigned Medicare billing, New Hampshire enrollment
75 clinicians in this Medicare group

NPI 1497342802 (603) 626-9500

Essex County Obgyn Assoc Inc

30 mi

Obstetrics & Gynecology

83 HERRICK ST, STE 3002
Beverly, MA 01915

Reassigned Medicare billing, Massachusetts enrollment
37 clinicians in this Medicare group

NPI 1538275870 (978) 750-8300

Brigham & Womens Hospital, Inc.

47 mi

General Acute Care Hospital

75 FRANCIS ST
Boston, MA 02115

Reassigned Medicare billing, Massachusetts enrollment
220 clinicians in this Medicare group

NPI 1790717650 (617) 732-5500

Brigham & Womens Physicians Organization Inc

47 mi

Internal Medicine

75 FRANCIS ST
Boston, MA 02115

Reassigned Medicare billing, Massachusetts enrollment
4,574 clinicians in this Medicare group

NPI 1033535497 (617) 732-5500

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Which organizations bill Medicare for Kristian Orestis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kristian Orestis reassigns Medicare benefits to 4 organizations: Amoskeag Health (Manchester, NH), Essex County Obgyn Assoc Inc (Beverly, MA), Brigham & Womens Hospital, Inc. (Boston, MA) and Brigham & Womens Physicians Organization Inc (Boston, MA). 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 Kristian Orestis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kristian Orestis accept?

Health plans from Taro Health 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 weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.