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DR. SHANNON BRIDGET O'BRIEN M.D.
NPI 1124167259
Orthopaedic Surgery in Ketchikan, AK

Active since February 05, 2007PECOS Enrolled
3100 TONGASS AVE, KETCHIKAN, AK 99901(404) 321-9900(907) 228-8323 Get Directions Write a Review

NPPES record last updated: April 5, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 27, 2016, Dec 14, 2015, Dec 9, 2015 (3 updates tracked since 2015).

About Dr. Shannon Bridget O'brien M.d. NPPES

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

DR. SHANNON BRIDGET O'BRIEN M.D. (NPI 1124167259) is an individual orthopaedic surgery provider in Ketchikan, Alaska, licensed in Alaska (105120) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1124167259
Entity TypeIndividualFemale
Primary Taxonomy207X00000X
Provider Legal NameDR. SHANNON BRIDGET O'BRIENCredential: M.D.
Location Address3100 TONGASS AVEKetchikan, AK 99901-5746
Mailing Address1115 Se 164th Ave Dept 358Vancouver, WA 98683-8004 · (360) 729-1462 · Fax (360) 729-3104
Phone(404) 321-9900
Fax(907) 228-8323
Sole ProprietorNo
Enumeration DateFebruary 5, 2007
Last NPPES UpdateApril 5, 20183 updates tracked since enumeration
✔ NPI 1124167259 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in AK · 105120
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
3100 TONGASS AVE, Ketchikan, AK 99901
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company, Wellmark Health Plan of Iowa, Inc..Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Shannon Bridget O'brien M.d. 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

2

Medicare enrollment records show Shannon O'brien reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Central Iowa Hospital Corporation
1,943 mi
Family Medicine
305 S HWY 69
Huxley, IA 50124
  • Reassigned Medicare billing, Iowa enrollment
  • 545 clinicians in this Medicare group
NPI 1144271024 (515) 597-2600
Texas Children's Physician Group
2,511 mi
Pediatrics
6621 FANNIN ST
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Texas Childrens Physician Group
  • 2,498 clinicians in this Medicare group
NPI 1861675506 (832) 824-1000

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 99901 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
$111.57 typical visit price
range $71.33 – $222.64
Typical copayment $27.89 (range $17.83 – $55.66)
Most-billed visit code 99203
Established Patient
$90.40 typical visit price
range $21.84 – $181.48
Typical copayment $22.60 (range $5.46 – $45.37)
Most-billed visit code 99213
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 20

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

UROLOGY NORTHWEST, PS
Urology
3100 TONGASS AVE, 3RD FLOOR VISITING CLINIC
KETCHIKAN, AK 99901
Ketchikan Gateway Borough (855) 881-5319
SCOTT MYERS KIRCHNER MD
Internal Medicine
3100 TONGASS AVE
KETCHIKAN, AK 99901
Ketchikan Gateway Borough (907) 225-5171
CAREY LYNN MARTIN CRNA
Nurse Anesthetist, Certified Registered
3100 TONGASS AVE
KETCHIKAN, AK 99901
Ketchikan Gateway Borough (907) 228-7634
MISS GABRIELLA MADSEN MSN, RN, FNP-C
Nurse Practitioner (Family)
3100 TONGASS AVE
KETCHIKAN, AK 99901
Ketchikan Gateway Borough (907) 228-8300
GAIL YIP CHUCK RD
Dietitian, Registered
3100 TONGASS AVE
KETCHIKAN, AK 99901
Ketchikan Gateway Borough (907) 228-8300
DEBORAH K FREYSINGER CRNA
Nurse Anesthetist, Certified Registered
3100 TONGASS AVE
KETCHIKAN, AK 99901
Ketchikan Gateway Borough (907) 228-8300
BRADLEY GAO MD
Emergency Medicine
3100 TONGASS AVE
KETCHIKAN, AK 99901
Ketchikan Gateway Borough (907) 225-5171
JANIS A ROTTSCHAFER CRNA
Nurse Anesthetist, Certified Registered
3100 TONGASS AVE
KETCHIKAN, AK 99901
Ketchikan Gateway Borough (907) 228-8300

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 Shannon O'brien's NPI number?

The NPI number for Shannon O'brien is 1124167259. It was assigned to this individual provider in the NPPES registry on February 5, 2007.

Where is Shannon O'brien located?

Shannon O'brien practices at 3100 Tongass Ave, Ketchikan, AK 99901. The listed phone number is (404) 321-9900.

What is Shannon O'brien's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Shannon O'brien enrolled in Medicare?

Yes. Shannon O'brien is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Shannon O'brien's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shannon O'brien reassigns Medicare benefits to 2 organizations: Central Iowa Hospital Corporation (Huxley, IA) and Texas Children's Physician Group (Houston, TX). 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 Shannon O'brien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Shannon O'brien accept?

Health plans from Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Shannon O'brien 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 Shannon O'brien was last updated on April 5, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.