NORTHWEST WOMEN'S HEALTHCARE
NPI 1326584673
Obstetrics & Gynecology in Seattle, WA

Active since January 10, 2017CLIA 50D0631655 · Microscopy
1101 MADISON ST STE 1150, SEATTLE, WA 98104(206) 386-3400(206) 386-3411 Get Directions Write a Review

NPPES record last updated: May 27, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 27, 2021, Jan 10, 2017 (2 updates tracked since 2017).

About Northwest Women's Healthcare NPPES

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

NORTHWEST WOMEN'S HEALTHCARE (NPI 1326584673) is a healthcare organization registered as an obstetrics & gynecology in Seattle, Washington and active in the NPI registry since January 2017. The organization holds a CLIA Microscopy certificate valid through April 4, 2028 and lists Laura Kleisle, Chief Risk Officer, as its authorized official.

NPPES Registry Identity

NPI1326584673
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NamePROLIANCE SURGEONS, INC., P.S.
Location Address1101 MADISON ST STE 1150Seattle, WA 98104-3558
Mailing Address1101 Madison St Ste 1150Seattle, WA 98104-3558 · (206) 386-3400 · Fax (206) 386-3411
Fax(206) 386-3411
Organization SubpartNo
Authorized OfficialLaura KleisleChief Risk Officer · (206) 838-2590
Enumeration DateJanuary 10, 2017
Last NPPES UpdateMay 27, 20212 updates tracked since enumeration
NPPES CertifiedMay 27, 2021
✔ NPI 1326584673 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in WA · 601484763
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.
Also ListedClinic/Center · Multi-SpecialtyTaxonomy 261QM1300X
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X
Also ListedNurse Practitioner · Women's HealthTaxonomy 363LW0102X
1101 MADISON ST STE 1150, Seattle, WA 98104

Other Names 1

Doing Business AsNorthwest Women's Healthcare

Other Identifiers 1

Medicaid2074883WA

Group Practice 2

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP
Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Northwest Women's Healthcare is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

589

Medicare enrollment records show 589 clinicians reassign Medicare billing to Northwest Women's Healthcare, which bills Medicare for the services they deliver. Of these, 25 practice at this address and 211 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 27

Orthopedic Surgery169
Physical Therapist in Private Practice97
Diagnostic Radiology64
Otolaryngology52
Occupational Therapist in Private Practice38
Qualified Audiologist26
Nurse Practitioner23
Obstetrics/Gynecology20
19 other specialties100

Nearest to this location (20)

See all 589
Obstetrics/Gynecology
NPI 1164686077
1101 MADISON ST STE 1150
Seattle, WA 98104
(206) 386-3400
✔ PECOS✔ Accepts MedicareSame address
Certified Nurse Midwife (CNM)
NPI 1144649310
1101 MADISON ST STE 950
Seattle, WA 98104
(206) 682-5800
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1174631683
1101 MADISON ST STE 950
Seattle, WA 98104
(206) 682-5800
✔ PECOSSame address
Obstetrics/Gynecology
NPI 1437126067
1101 MADISON ST STE 1150
Seattle, WA 98104
(206) 386-3400
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1114389129
1101 MADISON ST STE 950
Seattle, WA 98104
(206) 682-5800
✔ PECOSSame address
Obstetrics/Gynecology
NPI 1811969801
1101 MADISON ST SUITE 950
Seattle, WA 98104
(206) 682-5800
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1346355328
1101 MADISON ST STE 1150
Seattle, WA 98104
(206) 386-3400
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1508155284
1101 MADISON ST SUITE 1150
Seattle, WA 98104
(206) 386-3400
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1811132210
1101 MADISON ST STE 1150
Seattle, WA 98104
(206) 386-3400
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1740523455
1101 MADISON ST STE 1150
Seattle, WA 98104
(206) 386-3400
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1467461178
1101 MADISON ST STE 950
Seattle, WA 98104
(206) 582-5800
✔ PECOSSame address
Obstetrics/Gynecology
NPI 1265404255
1101 MADISON ST STE 950
Seattle, WA 98104
(206) 682-5800
✔ PECOSSame address
Obstetrics/Gynecology
NPI 1942272034
1101 MADISON ST SUITE 950
Seattle, WA 98104
(206) 682-5800
✔ PECOSSame address
Obstetrics/Gynecology
NPI 1659734937
1101 MADISON ST STE 1150
Seattle, WA 98104
(206) 386-3400
✔ PECOS✔ Accepts MedicareSame address
Urology
NPI 1801098405
1101 MADISON ST STE 1400
Seattle, WA 98104
(206) 386-6266
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1396731980
1101 MADISON ST STE 1150
Seattle, WA 98104
(206) 386-3400
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1760719108
1101 MADISON ST STE 1150
Seattle, WA 98104
(206) 386-3400
✔ PECOS✔ Accepts MedicareSame address
Certified Nurse Midwife (CNM)
NPI 1194265603
1101 MADISON ST STE 950
Seattle, WA 98104
(206) 682-5800
✔ PECOS✔ Accepts MedicareSame address
Orthopedic Surgery
NPI 1467626374
901 BOREN AVE #800
Seattle, WA 98104
(206) 323-1900
✔ PECOS✔ Accepts MedicareSame address
Orthopedic Surgery
NPI 1538269006
901 BOREN AVE SUITE 800
Seattle, WA 98104
(206) 323-1900
✔ PECOS✔ Accepts MedicareSame address
See all 589 clinicians

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 50D0631655

Northwest Womens Healthcare · Seattle, WA
Active · expires Apr 4, 2028
CLIA Number50D0631655
Laboratory TypePhysician Office
Certificate Effective DateSeptember 7, 1994
Certificate Expiration DateApril 4, 2028
Laboratory DirectorLauren Pray
Laboratory Phone(206) 386-3400
Laboratory LocationNorthwest Womens Healthcare1101 Madison Street Suite 1150, Seattle, WA 98104
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

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 Proliance Surgeons, Inc., P.S.'s NPI number?

The NPI number for Proliance Surgeons, Inc., P.S. is 1326584673. It was assigned to this organization in the NPPES registry on January 10, 2017. The provider is doing business as Northwest Women's Healthcare.

Where is Proliance Surgeons, Inc., P.S. located?

Proliance Surgeons, Inc., P.S. is located at 1101 Madison St Ste 1150, Seattle, WA 98104. The listed phone number is (206) 386-3400.

What is Proliance Surgeons, Inc., P.S.'s specialty?

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

Is Proliance Surgeons, Inc., P.S. enrolled in Medicare?

Yes. Proliance Surgeons, Inc., P.S. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Proliance Surgeons, Inc., P.S.?

According to the CMS Revalidation Reassignment List (October 2026 release), 589 clinicians in 27 Medicare specialties reassign their Medicare billing to Proliance Surgeons, Inc., P.S.. A 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 the clinician's services. The largest specialties are Orthopedic Surgery (169), Physical Therapist in Private Practice (97) and Diagnostic Radiology (64). Of these, 25 practice at this address and 211 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Proliance Surgeons, Inc., P.S. hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 50D0631655) is associated with this NPI, valid through April 4, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Proliance Surgeons, Inc., P.S. was last updated on May 27, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.