ATARAH EVE MARTIN SIDEY M.D.
NPI 1811106891
Family Medicine in Stevensville, MT

Q: What is Atarah Sidey's NPI number?

The NPI number for Atarah Sidey is 1811106891. It was assigned to this individual provider in the NPPES registry on May 22, 2007. The provider is also known as Atarah Eve Martin MD.

Q: What is Atarah Sidey's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Atarah Sidey was last updated on April 25, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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 22, 2007PECOS EnrolledAccepts Medicare Assignment

3800 EASTSIDE HWY, STEVENSVILLE, MT 59870(406) 777-2775(406) 777-2796 Get Directions Write a Review

NPPES record last updated: April 25, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Atarah Eve Martin Sidey M.d. NPPES

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

ATARAH EVE MARTIN SIDEY M.D. (NPI 1811106891) is an individual family medicine provider in Stevensville, Montana, licensed in Montana (77537) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with St. Patrick Hospital, and maintains a secondary practice location in Damascus.

NPPES Registry Identity

NPI1811106891

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameATARAH EVE MARTIN SIDEYCredential: M.D.

Location Address3800 EASTSIDE HWYStevensville, MT 59870-2221

Mailing Address3800 Eastside HwyStevensville, MT 59870-2221 · (406) 777-2775 · Fax (406) 777-2796

Phone(406) 777-2775

Fax(406) 777-2796

Sole ProprietorNo

Medical School CMSLoma Linda University School Of MedicineGraduated 2005

Enumeration DateMay 22, 2007

Last NPPES UpdateApril 25, 2022

NPPES CertifiedApril 25, 2022

✔ NPI 1811106891 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

Licenses✔ Licensed in MT · 77537✔ Licensed in OR · MD29451

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Also ListedGeneral PracticeTaxonomy 208D00000X · License LL16337 (OR)

3800 EASTSIDE HWY, Stevensville, MT 59870

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Other Names 1

Other Name (5)Atarah Eve Martin Md

Secondary Practice Location 1

Location 114450 SE Royer RdDamascus, OR 97089-8730 · Phone (503) 658-5521 · Fax (503) 658-5002

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Atarah Eve Martin Sidey M.d. 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 ID8426197880

PECOS Enrollment IDI20091125000265, I20200325001700

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 Atarah Sidey reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rchp Billings - Missoula LLC

24 mi

Specialist

2827 FORT MISSOULA RD
Missoula, MT 59804

Reassigned Medicare billing, Montana enrollment
192 clinicians in this Medicare group

NPI 1376946913 (406) 327-4620

Partnership Health Center Inc

25 mi

Federally Qualified Health Center (FQHC)

901 S 6TH ST W
Missoula, MT 59801

Reassigned Medicare billing, Montana enrollment
91 clinicians in this Medicare group

NPI 1750926762 (406) 258-4496

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

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St. Patrick Hospital

Acute Care Hospitals · Missoula, MT

5/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number270014

Location500 W BroadwayMissoula, MT 59806 · Missoula County

Emergency services Birthing friendly

Community Medical Center

Acute Care Hospitals · Missoula, MT

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number270023

Location2827 Fort Missoula RdMissoula, MT 59804 · Missoula County

Emergency services Birthing friendly

Bitterroot Health - Daly Hospital

Critical Access Hospitals · Hamilton, MT

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number271340

Location1200 Westwood DrHamilton, MT 59840 · Ravalli County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59870 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.

Referred Medical Equipment & Supplies CMS DME claims 18

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

5 suppliers18 claims34 services$3.86 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

4 suppliers11 claims11 services$0.94 avg. paid by Medicare

Bedside drainage bag, day or night, with or without anti-reflux device, with or without tube, each A4357

DME-Orthotic Devices · category DF000N

1 supplier12 claims24 services$7.97 avg. paid by Medicare

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

4 suppliers21 claims21 services$43.32 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

3 suppliers11 claims11 services$119.75 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

3 suppliers11 claims31 services$44.64 avg. paid by Medicare

Cushion for use on nasal mask interface, replacement only, each A7032

DME-Other DME · category DE001N

3 suppliers15 claims48 services$24.57 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

4 suppliers13 claims13 services$66.89 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

5 suppliers16 claims16 services$24.45 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

5 suppliers37 claims146 services$2.82 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

4 suppliers33 claims37 services$19.56 avg. paid by Medicare

Portable liquid oxygen system, rental; includes portable container, supply reservoir, humidifier, flowmeter, refill adaptor, contents gauge, cannula or mask, and tubing E0434

DME-Oxygen and Supplies · category DC000N

1 supplier12 claims12 services$38.23 avg. paid by Medicare

Stationary liquid oxygen system, rental; includes container, contents, regulator, flowmeter, humidifier, nebulizer, cannula or mask, & tubing E0439

DME-Oxygen and Supplies · category DC000N

1 supplier12 claims12 services$119.41 avg. paid by Medicare

Portable oxygen contents, gaseous, 1 month's supply = 1 unit E0443

DME-Oxygen and Supplies · category DC000N

1 supplier15 claims15 services$38.54 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

2 suppliers17 claims17 services$38.55 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

5 suppliers40 claims44 services$110.31 avg. paid by Medicare

Standard wheelchair K0001

DME-Wheelchairs · category DD000N

1 supplier11 claims11 services$16.14 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

3 suppliers24 claims24 services$191.71 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 5

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

COMMUNITY MEDICAL CENTER INC

Specialist

3800 EASTSIDE HWY
STEVENSVILLE, MT 59870

Ravalli County (406) 777-2775

MONICA TRIMBLE LCSW

Social Worker (Clinical)

3800 EASTSIDE HWY
STEVENSVILLE, MT 59870

Ravalli County (406) 777-2775

MARK PAUL MD

Family Medicine

3800 EASTSIDE HWY, STEVENSVILLE COMMUNITY MEDICAL CENTER
STEVENSVILLE, MT 59870

Ravalli County (406) 777-2775

AMANDA LIVINGSTON PA

Physician Assistant

3800 EASTSIDE HWY
STEVENSVILLE, MT 59870

Ravalli County (406) 777-2775

BERNADETTE A GLASSER FNP

Nurse Practitioner (Family)

3800 EASTSIDE HWY
STEVENSVILLE, MT 59870

Ravalli County (406) 777-2775

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 Atarah Sidey's NPI number?

The NPI number for Atarah Sidey is 1811106891. It was assigned to this individual provider in the NPPES registry on May 22, 2007. The provider is also known as Atarah Eve Martin MD.

Where is Atarah Sidey located?

Atarah Sidey practices at 3800 Eastside Hwy, Stevensville, MT 59870. The listed phone number is (406) 777-2775.

What is Atarah Sidey's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Atarah Sidey enrolled in Medicare?

Yes. Atarah Sidey is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Atarah Sidey's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Atarah Sidey reassigns Medicare benefits to 2 organizations: Rchp Billings - Missoula LLC (Missoula, MT) and Partnership Health Center Inc (Missoula, MT). 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 Atarah Sidey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Atarah Sidey accept?

Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Atarah Sidey 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.

Is Atarah Sidey affiliated with any hospitals?

According to CMS data, Atarah Sidey is affiliated with St. Patrick Hospital, Community Medical Center and Bitterroot Health - Daly Hospital.

When was this NPI record last updated?

The NPPES record for Atarah Sidey was last updated on April 25, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.