SEATTLE OBSTETRICS & GYNECOLOGY GROUP
NPI 1740727106
Obstetrics & Gynecology in Seattle, WA

Q: What is Proliance Surgeons, Inc., P.S.'s NPI number?

The NPI number for Proliance Surgeons, Inc., P.S. is 1740727106. It was assigned to this organization in the NPPES registry on January 24, 2017. The provider is doing business as Seattle Obstetrics & Gynecology Group.

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

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

Active since January 24, 2017

1101 MADISON ST STE 950, SEATTLE, WA 98104(206) 682-5800(206) 233-9657 Get Directions Write a Review

NPPES record last updated: May 28, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 28, 2021, Jan 24, 2017 (2 updates tracked since 2017).

On this page

About Seattle Obstetrics & Gynecology Group NPPES

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

SEATTLE OBSTETRICS & GYNECOLOGY GROUP (NPI 1740727106) is a healthcare organization registered as an obstetrics & gynecology in Seattle, Washington and active in the NPI registry since January 2017. The organization lists Laura Kleisle, Chief Risk Officer, as its authorized official.

NPPES Registry Identity

NPI1740727106

Entity TypeOrganization

Primary Taxonomy207V00000X

Legal Business NamePROLIANCE SURGEONS, INC., P.S.

Location Address1101 MADISON ST STE 950Seattle, WA 98104-3592

Mailing Address1101 Madison St Ste 950Seattle, WA 98104-3592 · (206) 682-5800

Phone(206) 682-5800

Fax(206) 233-9657

Organization SubpartNo

Authorized OfficialLaura KleisleChief Risk Officer · (206) 838-2590

Enumeration DateJanuary 24, 2017

Last NPPES UpdateMay 28, 20212 updates tracked since enumeration

NPPES CertifiedMay 28, 2021

✔ NPI 1740727106 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 · Women's HealthTaxonomy 363LW0102X

Also ListedNurse Practitioner · Obstetrics & GynecologyTaxonomy 363LX0001X

1101 MADISON ST STE 950, Seattle, WA 98104

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Other Names 1

Doing Business AsSeattle Obstetrics & Gynecology Group

Other Identifiers 1

Medicaid2075030WA

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)

Seattle Obstetrics & Gynecology Group 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 Seattle Obstetrics & Gynecology Group, 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

Elizabeth Anderson, ARNP

Nurse Practitioner

NPI 1811132210

1101 MADISON ST STE 1150
Seattle, WA 98104

(206) 386-3400

✔ PECOS✔ Accepts MedicareSame address

Tiffany Chen, M.D.

Obstetrics/Gynecology

NPI 1740523455

1101 MADISON ST STE 1150
Seattle, WA 98104

(206) 386-3400

✔ PECOS✔ Accepts MedicareSame address

Jennifer Droz, MD

Obstetrics/Gynecology

NPI 1467461178

1101 MADISON ST STE 950
Seattle, WA 98104

(206) 582-5800

✔ PECOSSame address

Susan Harvey, MD

Obstetrics/Gynecology

NPI 1265404255

1101 MADISON ST STE 950
Seattle, WA 98104

(206) 682-5800

✔ PECOSSame address

Margaret Hutchison, MD

Obstetrics/Gynecology

NPI 1942272034

1101 MADISON ST SUITE 950
Seattle, WA 98104

(206) 682-5800

✔ PECOSSame address

Jie Jiao, M.D., M.P.H.

Obstetrics/Gynecology

NPI 1659734937

1101 MADISON ST STE 1150
Seattle, WA 98104

(206) 386-3400

✔ PECOS✔ Accepts MedicareSame address

Sondra Kapnadak, MD

Obstetrics/Gynecology

NPI 1750586905

1101 MADISON ST STE 950
Seattle, WA 98104

(206) 682-5800

✔ PECOS✔ Accepts MedicareSame address

Robin Lee, MD

Urology

NPI 1801098405

1101 MADISON ST STE 1400
Seattle, WA 98104

(206) 386-6266

✔ PECOS✔ Accepts MedicareSame address

Carolyn Martin, MD

Obstetrics/Gynecology

NPI 1689685406

1101 MADISON ST STE 950
Seattle, WA 98104

(206) 682-5800

✔ PECOSSame address

Jennifer Melville

Obstetrics/Gynecology

NPI 1710066477

1101 MADISON ST STE 1150
Seattle, WA 98104

(206) 386-3400

✔ PECOS✔ Accepts MedicareSame address

Shelley Miksis, RN, ARNP

Nurse Practitioner

NPI 1396731980

1101 MADISON ST STE 1150
Seattle, WA 98104

(206) 386-3400

✔ PECOS✔ Accepts MedicareSame address

Rachel Pelto, ARNP

Nurse Practitioner

NPI 1760719108

1101 MADISON ST STE 1150
Seattle, WA 98104

(206) 386-3400

✔ PECOS✔ Accepts MedicareSame address

Lauren Pray, MD

Obstetrics/Gynecology

NPI 1558494179

1101 MADISON ST STE 1150
Seattle, WA 98104

(206) 386-3400

✔ PECOS✔ Accepts MedicareSame address

Karen Bohmke, MD

Obstetrics/Gynecology

NPI 1003802679

1101 MADISON ST #1150
Seattle, WA 98104

(206) 386-3400

✔ PECOSSame address

Isabella Lwiza, ARNP, CNM

Certified Nurse Midwife (CNM)

NPI 1194265603

1101 MADISON ST STE 950
Seattle, WA 98104

(206) 682-5800

✔ PECOS✔ Accepts MedicareSame address

Diana Koala, MD

Obstetrics/Gynecology

NPI 1811969801

1101 MADISON ST SUITE 950
Seattle, WA 98104

(206) 682-5800

✔ PECOS✔ Accepts MedicareSame address

Wendy Lorentz, MD

Obstetrics/Gynecology

NPI 1346355328

1101 MADISON ST STE 1150
Seattle, WA 98104

(206) 386-3400

✔ PECOS✔ Accepts MedicareSame address

Sarah Chandler, ARNP, CNM

Certified Nurse Midwife (CNM)

NPI 1144649310

1101 MADISON ST STE 950
Seattle, WA 98104

(206) 682-5800

✔ PECOS✔ Accepts MedicareSame address

Samuel Koo, MD, MPH

Orthopedic Surgery

NPI 1467626374

901 BOREN AVE #800
Seattle, WA 98104

(206) 323-1900

✔ PECOS✔ Accepts MedicareSame address

Addison Stone, MD

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.

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 1740727106. It was assigned to this organization in the NPPES registry on January 24, 2017. The provider is doing business as Seattle Obstetrics & Gynecology Group.

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

Proliance Surgeons, Inc., P.S. is located at 1101 Madison St Ste 950, Seattle, WA 98104. The listed phone number is (206) 682-5800.

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.

When was this NPI record last updated?

The NPPES record for Proliance Surgeons, Inc., P.S. was last updated on May 28, 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.