STEPHANIE POSORSKE CNM
NPI 1457990723
Advanced Practice Midwife in Spokane, WA

Q: What is Stephanie Posorske's NPI number?

The NPI number for Stephanie Posorske is 1457990723. It was assigned to this individual provider in the NPPES registry on January 3, 2020.

Q: What is Stephanie Posorske's specialty?

The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.

Active since January 03, 2020PECOS EnrolledAccepts Medicare Assignment

3919 N MAPLE ST, SPOKANE, WA 99205(509) 444-8200(509) 434-0392 Get Directions Write a Review

NPPES record last updated: April 24, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 24, 2026, May 4, 2021, Jan 3, 2020 (3 updates tracked since 2020).

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About Stephanie Posorske Cnm NPPES

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

STEPHANIE POSORSKE CNM (NPI 1457990723) is an individual advanced practice midwife in Spokane, Washington, licensed in Washington (ARNP.AP.70088010-CNM) and active in the NPI registry since January 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1457990723

Entity TypeIndividualFemale

Primary Taxonomy367A00000X

Provider Legal NameSTEPHANIE POSORSKECredential: CNM

Location Address3919 N MAPLE STSpokane, WA 99205-1349

Mailing Address731 N Iron Bridge WaySpokane, WA 99202-4926 · (509) 444-8888 · Fax (509) 444-7806

Phone(509) 444-8200

Fax(509) 434-0392

Sole ProprietorNo

Medical School CMSOtherGraduated 2019

Enumeration DateJanuary 3, 2020

Last NPPES UpdateApril 24, 20263 updates tracked since enumeration

NPPES CertifiedApril 24, 2026

✔ NPI 1457990723 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAdvanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code367A00000X

Licenses✔ Licensed in WA · ARNP.AP.70088010-CNM✔ Licensed in CO · APN.0995250

Definition

Advanced practice midwifery encompasses the independent provision of care during pregnancy, childbirth, and the postpartum period; sexual and reproductive health; gynecologic health; and family planning services, including preconception care. Midwives also provide primary care for individuals from adolescence throughout the lifespan as well as care for the healthy newborn during the first 28 days of life. Midwives provide initial and ongoing comprehensive assessment, diagnosis, and treatment. Midwifery care includes health promotion, disease prevention, risk assessment and management, and individualized wellness education and counseling. Source: American College of Nurse-Midwives, www.midwife.org Additional Resources: See the American College of Nurse-Midwives, www.midwife.org, for more information on Certified Nurse-Midwives, Certified Midwives, the American Midwifery Certification Board (AMCB), and licensure.

3919 N MAPLE ST, Spokane, WA 99205

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Other Identifiers 1

OtherAPN.0995250-CNMCO · Colorado Department Of Regulatory Agencies

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

Stephanie Posorske Cnm 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 ID1254766140

PECOS Enrollment IDI20200123001051, I20260603001204

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

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

Community Health Association Of Spokane

Same address

Federally Qualified Health Center (FQHC)

3919 N MAPLE ST
Spokane, WA 99205

Reassigned Medicare billing, Washington enrollment
278 clinicians in this Medicare group

NPI 1326005851 (509) 444-8888

Lutheran Hospital Association Of The San Luis Valley

891 mi

Surgery

310 COUNTY ROAD 14
Del Norte, CO 81132

Reassigned Medicare billing, Colorado enrollment
203 clinicians in this Medicare group

NPI 1851579262 (719) 657-2510

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 99205 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

$88.29 typical visit price

range $57.27 – $172.80

Typical copayment $22.07 (range $14.31 – $43.20)

Most-billed visit code 99203

Established Patient

$71.29 typical visit price

range $18.56 – $141.11

Typical copayment $17.82 (range $4.64 – $35.27)

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.

KATHRYN KAYSER PHARMD

Pharmacist