SYDNEY DIANN SEYFERT NP
NPI 1821394974
Nurse Practitioner - Psychiatric/Mental Health in Missoula, MT

Active since February 08, 2011PECOS Enrolled
821 S ORANGE ST, MISSOULA, MT 59801(406) 540-3556(406) 926-1049 Get Directions Write a Review

NPPES record last updated: April 22, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 22, 2020, Jan 29, 2016 (2 updates tracked since 2016).

About Sydney Diann Seyfert Np NPPES

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

SYDNEY DIANN SEYFERT NP (NPI 1821394974) is an individual psychiatric/mental health provider in Missoula, Montana, licensed in Montana (NUR-RN-LIC-46667) and active in the NPI registry since February 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821394974
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameSYDNEY DIANN SEYFERTCredential: NP
Location Address821 S ORANGE STMissoula, MT 59801-3833
Mailing Address821 S Orange StMissoula, MT 59801-3833 · (406) 540-3556 · Fax (406) 926-1049
Fax(406) 926-1049
Sole ProprietorYes
Enumeration DateFebruary 8, 2011
Last NPPES UpdateApril 22, 20202 updates tracked since enumeration
NPPES CertifiedApril 22, 2020
NPI 1821394974 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
Licenses Licensed in MT · NUR-RN-LIC-46667 Licensed in WA · AP60202570
821 S ORANGE ST, Missoula, MT 59801

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)

Sydney Diann Seyfert Np 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 59801 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
$87.97 typical visit price
range $56.81 – $172.26
Typical copayment $21.99 (range $14.20 – $43.06)
Most-billed visit code 99203
Established Patient
$100.16 typical visit price
range $18.24 – $140.32
Typical copayment $25.04 (range $4.56 – $35.08)
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 2

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

Counselor (Professional)
821 S ORANGE ST
MISSOULA, MT 59801
Clinic/Center (Adolescent and Children Mental Health)
821 S ORANGE ST
MISSOULA, MT 59801

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 Sydney Seyfert's NPI number?

The NPI number for Sydney Seyfert is 1821394974. It was assigned to this individual provider in the NPPES registry on February 8, 2011.

Where is Sydney Seyfert located?

Sydney Seyfert practices at 821 S Orange St, Missoula, MT 59801. The listed phone number is (406) 540-3556.

What is Sydney Seyfert's specialty?

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

Is Sydney Seyfert enrolled in Medicare?

Yes. Sydney Seyfert is registered in the Medicare PECOS enrollment system.

What insurance does Sydney Seyfert accept?

Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP and PacificSource Health Plans list Sydney Seyfert 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 Sydney Seyfert was last updated on April 22, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.