1. Home
  2. Directory
  3. Oregon
  4. Portland
  5. Advanced Practice Midwife
  6. NPI Profile

MARY E FRISVOLD CNM
NPI 1639730666
Advanced Practice Midwife in Portland, OR

Active since June 20, 2019PECOS Enrolled
87.76/100
CMS Quality Rating
4400 NE HALSEY ST STE 285, PORTLAND, OR 97213(503) 215-6262 Get Directions Write a Review

NPPES record last updated: March 18, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 18, 2026, Oct 13, 2021, Aug 5, 2019 and 1 more (4 updates tracked since 2019).

About Mary E Frisvold Cnm NPPES

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

MARY E FRISVOLD CNM (NPI 1639730666) is an individual advanced practice midwife in Portland, Oregon, licensed in Oregon (201803506NP-PP) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639730666
Entity TypeIndividualFemale
Primary Taxonomy367A00000X
Provider Legal NameMARY E FRISVOLDCredential: CNM
Location Address4400 NE HALSEY ST STE 285Portland, OR 97213-1545
Mailing Address4400 Ne Halsey St Ste 285Portland, OR 97213-1545 · (503) 215-6262
Phone(503) 215-6262
Sole ProprietorNo
Enumeration DateJune 20, 2019
Last NPPES UpdateMarch 18, 20264 updates tracked since enumeration
NPPES CertifiedMarch 18, 2026
✔ NPI 1639730666 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
License✔ Licensed in OR · 201803506NP-PP
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.
4400 NE HALSEY ST STE 285, Portland, OR 97213
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary E Frisvold Cnm 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97213 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
$90.51 typical visit price
range $58.99 – $176.88
Typical copayment $22.62 (range $14.74 – $44.22)
Most-billed visit code 99203
Established Patient
$73.28 typical visit price
range $19.32 – $144.79
Typical copayment $18.32 (range $4.83 – $36.19)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

87.76/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality85.17
Promoting Interoperability100
Improvement Activities40
Cost74.03

Other Providers at the Same Location NPPES

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

CLAIRE K LEARMONTH MD
Obstetrics & Gynecology
4400 NE HALSEY ST STE 285
PORTLAND, OR 97213
Multnomah County (503) 215-6262

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 Mary Frisvold's NPI number?

The NPI number for Mary Frisvold is 1639730666. It was assigned to this individual provider in the NPPES registry on June 20, 2019.

Where is Mary Frisvold located?

Mary Frisvold practices at 4400 NE Halsey St Ste 285, Portland, OR 97213. The listed phone number is (503) 215-6262.

What is Mary Frisvold's specialty?

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

Is Mary Frisvold enrolled in Medicare?

Yes. Mary Frisvold is registered in the Medicare PECOS enrollment system.

What insurance does Mary Frisvold accept?

Health plans from Providence Health Plan list Mary Frisvold 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 Mary Frisvold was last updated on March 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.