1. Home
  2. Directory
  3. Oregon
  4. Prineville
  5. Family Medicine
  6. NPI Profile

DR. SIOBHAN KATHERINE COOPER M.D., MPH
NPI 1730479833
Family Medicine in Prineville, OR

Active since April 11, 2011PECOS EnrolledAccepts Medicare Assignment
384 SE COMBS FLAT RD, PRINEVILLE, OR 97754(541) 447-8750(541) 447-8428 Get Directions Write a Review

NPPES record last updated: September 10, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 10, 2025, Jul 27, 2022, May 12, 2022 and 3 more (6 updates tracked since 2015).

About Dr. Siobhan Katherine Cooper M.d., Mph NPPES

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

DR. SIOBHAN KATHERINE COOPER M.D., MPH (NPI 1730479833) is an individual family medicine provider in Prineville, Oregon, licensed in Oregon (MD166362) and active in the NPI registry since April 2011. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Arkansas College Of Medicine (2011).

NPPES Registry Identity

NPI1730479833
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. SIOBHAN KATHERINE COOPERCredential: M.D., MPH
Location Address384 SE COMBS FLAT RDPrineville, OR 97754-2562
Mailing Address61188 Lodgepole DrBend, OR 97702-2880 · (541) 891-5132
Phone(541) 447-8750
Fax(541) 447-8428
Sole ProprietorNo
Medical School CMSUniversity Of Arkansas College Of MedicineGraduated 2011
Enumeration DateApril 11, 2011
Last NPPES UpdateSeptember 10, 20256 updates tracked since enumeration
NPPES CertifiedSeptember 10, 2025
✔ NPI 1730479833 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in OR · MD166362
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.

Secondary Practice Locations 2

Location 161250 SE Coombs PlBend, OR 97702-3704 · Phone (541) 706-5935 · Fax (541) 706-5936
Location 22801 Daggett AveKlamath Falls, OR 97601-1106 · Phone (541) 274-6733

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Moda Health Plan, Inc., Providence Health Plan 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

Dr. Siobhan Katherine Cooper M.d., Mph 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 ID3274788864
PECOS Enrollment IDI20210826003276
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

4

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

Bristol Bay Area Health Corporation
Clinic/Center
5060 MAIN STREET
Koliganek, AK 99576
  • Reassigned Medicare billing, Texas enrollment
  • 360 clinicians in this Medicare group
NPI 1013079607 (907) 842-5201
Mosaic Community Health
Federally Qualified Health Center (FQHC)
375 NW BEAVER ST STE 101
Prineville, OR 97754
  • Reassigned Medicare billing, Oregon enrollment
  • 102 clinicians in this Medicare group
NPI 1083633184 (541) 447-0707
Sky Lakes Medical Center Inc
General Acute Care Hospital
2865 DAGGETT AVE
Klamath Falls, OR 97601
  • Reassigned Medicare billing, Oregon enrollment
  • 355 clinicians in this Medicare group
NPI 1659340370 (541) 274-6221
St. Charles Health System, Inc.
Family Medicine
2500 NE NEFF RD
Bend, OR 97701
  • Reassigned Medicare billing, Oregon enrollment
  • 348 clinicians in this Medicare group
NPI 1023331303 (541) 382-4321

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

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
41 services32 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
23 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97754 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
$84.82 typical visit price
range $54.96 – $166.64
Typical copayment $21.20 (range $13.74 – $41.66)
Most-billed visit code 99203
Established Patient
$97.16 typical visit price
range $17.68 – $136.19
Typical copayment $24.29 (range $4.42 – $34.04)
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 18

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

MARISSA LEONORE BRUNO DO
Family Medicine
384 SE COMBS FLAT RD
PRINEVILLE, OR 97754
Crook County (541) 447-6263
DR. MOHAMMAD AHMED ABU MALLOUH PHARMD
Pharmacist
384 SE COMBS FLAT RD
PRINEVILLE, OR 97754
Crook County (541) 447-8423
CEP AMERICA - NEUROLOGY PC
Psychiatry & Neurology (Neurology)
384 SE COMBS FLAT RD
PRINEVILLE, OR 97754
Crook County (541) 447-6254
ST. CHARLES HEALTH SYSTEM, INC.
Clinic/Center (Rural Health)
384 SE COMBS FLAT RD, SUITE 1200
PRINEVILLE, OR 97754
Crook County (541) 447-6263
LAURA A. SCHWEGER, PC
Podiatrist (Foot & Ankle Surgery)
384 SE COMBS FLAT RD
PRINEVILLE, OR 97754
Crook County (541) 383-3668
TRACIE CAMPBELL RDN
Dietitian, Registered
384 SE COMBS FLAT RD
PRINEVILLE, OR 97754
Crook County (541) 460-4088
RONALD WILLIAM SPROAT MD
Surgery
384 SE COMBS FLAT RD, SUITE 1200
PRINEVILLE, OR 97754
Crook County (541) 548-7761
BRANDON W BRASHER P.A.
Physician Assistant (Medical)
384 SE COMBS FLAT RD
PRINEVILLE, OR 97754
Crook County (541) 447-8750

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 Siobhan Cooper's NPI number?

The NPI number for Siobhan Cooper is 1730479833. It was assigned to this individual provider in the NPPES registry on April 11, 2011.

Where is Siobhan Cooper located?

Siobhan Cooper practices at 384 SE Combs Flat Rd, Prineville, OR 97754. The listed phone number is (541) 447-8750.

What is Siobhan Cooper's specialty?

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

Is Siobhan Cooper enrolled in Medicare?

Yes. Siobhan Cooper 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 Siobhan Cooper's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Siobhan Cooper reassigns Medicare benefits to 4 organizations: Bristol Bay Area Health Corporation (Koliganek, AK), Mosaic Community Health (Prineville, OR), Sky Lakes Medical Center Inc (Klamath Falls, OR) and St. Charles Health System, Inc. (Bend, OR). 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 Siobhan Cooper's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Siobhan Cooper accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., Providence Health Plan and Regence BlueCross BlueShield of Oregon list Siobhan Cooper 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 Siobhan Cooper was last updated on September 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.