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CHRISTINE B KOO MD
NPI 1932361128
Obstetrics & Gynecology in Seattle, WA

Active since June 27, 2008PECOS EnrolledAccepts Medicare Assignment
1201 TERRY AVE FL 8, SEATTLE, WA 98101(206) 287-6300(206) 341-1250 Get Directions Write a Review

NPPES record last updated: August 22, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 22, 2024, Oct 21, 2020 (2 updates tracked since 2020).

About Christine B Koo Md NPPES

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

CHRISTINE B KOO MD (NPI 1932361128) is an individual obstetrics & gynecology provider in Seattle, Washington, licensed in Washington (MD60467924) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS and is a graduate of Rutgers New Jersey Medical School (2008).

NPPES Registry Identity

NPI1932361128
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameCHRISTINE B KOOCredential: MD
Location Address1201 TERRY AVE FL 8Seattle, WA 98101-2735
Mailing Address1201 Terry Ave Fl 8Seattle, WA 98101-2735 · (206) 287-6300 · Fax (206) 341-1250
Phone(206) 287-6300
Fax(206) 341-1250
Sole ProprietorNo
Medical School CMSRutgers New Jersey Medical SchoolGraduated 2008
Enumeration DateJune 27, 2008
Last NPPES UpdateAugust 22, 20242 updates tracked since enumeration
NPPES CertifiedAugust 22, 2024
✔ NPI 1932361128 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in WA · MD60467924
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1201 TERRY AVE FL 8, Seattle, WA 98101
Open in Google Maps ↗

Other Identifiers 1

Medicaid2038584WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.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

Christine B Koo Md 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 ID3971755166
PECOS Enrollment IDI20140829001311
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

3

Medicare enrollment records show Christine Koo reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

King County Public Hospital District No 2
9.7 mi
Internal Medicine
11521 NE 128TH ST, STE 100
Kirkland, WA 98034
  • Reassigned Medicare billing, Washington enrollment
  • 1,074 clinicians in this Medicare group
NPI 1548350713 (425) 899-6800
Franciscan Medical Group
14 mi
Internal Medicine
2520 CHERRY AVE
Bremerton, WA 98310
  • Reassigned Medicare billing, Washington enrollment
  • 1,526 clinicians in this Medicare group
NPI 1154564649 (360) 377-3911
Optum Care Washington PLLC
25 mi
Multi-Specialty
3901 HOYT AVE
Everett, WA 98201
  • Reassigned Medicare billing, Washington enrollment
  • 1,285 clinicians in this Medicare group
NPI 1831186766 (425) 259-0966

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 98101 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
$143.76 typical visit price
range $63.67 – $189.37
Typical copayment $35.94 (range $15.91 – $47.34)
Most-billed visit code 99204
Established Patient
$78.74 typical visit price
range $21.12 – $155.00
Typical copayment $19.68 (range $5.28 – $38.75)
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 5

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

DR. ABIGAIL ROSE PREST D.O.
Obstetrics & Gynecology
1201 TERRY AVE FL 8
SEATTLE, WA 98101
King County (206) 287-6300
KRISTEN POMEROY
Obstetrics & Gynecology
1201 TERRY AVE FL 8
SEATTLE, WA 98101
King County (206) 287-6300
MS. DEANNA LYNN DIULIO WHNP, CNM
Advanced Practice Midwife
1201 TERRY AVE FL 8
SEATTLE, WA 98101
King County (206) 287-6300
MS. BORIANA EMIL IANAKIEV CNM, ARNP
Advanced Practice Midwife
1201 TERRY AVE FL 8
SEATTLE, WA 98101
King County (206) 287-6300
DR. JESSICA A KAM DO
Obstetrics & Gynecology
1201 TERRY AVE FL 8
SEATTLE, WA 98101
King County (206) 287-6300

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 Christine Koo's NPI number?

The NPI number for Christine Koo is 1932361128. It was assigned to this individual provider in the NPPES registry on June 27, 2008.

Where is Christine Koo located?

Christine Koo practices at 1201 Terry Ave Fl 8, Seattle, WA 98101. The listed phone number is (206) 287-6300.

What is Christine Koo's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Christine Koo enrolled in Medicare?

Yes. Christine Koo 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 Christine Koo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christine Koo reassigns Medicare benefits to 3 organizations: King County Public Hospital District No 2 (Kirkland, WA), Franciscan Medical Group (Bremerton, WA) and Optum Care Washington PLLC (Everett, WA). 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 Christine Koo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Christine Koo accept?

Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Christine Koo 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 Christine Koo was last updated on August 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.