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

Active since June 20, 2019PECOS EnrolledAccepts Medicare Assignment
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: November 01, 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 and is a graduate of Other (2018).

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
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
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

Accepted 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

Mary E Frisvold 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 ID3274861117
PECOS Enrollment IDI20190829003663
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

4

Medicare enrollment records show Mary Frisvold reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cardiovascular Disease
4400 NE HALSEY ST STE 102
Portland, OR 97213
  • Reassigned Medicare billing, Oregon enrollment
  • 1,501 clinicians in this Medicare group
General Acute Care Hospital
4805 NE GLISAN ST
Portland, OR 97213
  • Reassigned Medicare billing, Oregon enrollment
  • 676 clinicians in this Medicare group
Clinic/Center
1130 NW 22ND AVE STE 220
Portland, OR 97210
  • Reassigned Medicare billing, Oregon enrollment
  • 1,248 clinicians in this Medicare group
Clinic/Center
861 W MAIN ST
Molalla, OR 97038
  • Reassigned Medicare billing, Oregon enrollment
  • 568 clinicians in this Medicare group

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 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.

Obstetrics & Gynecology
4400 NE HALSEY ST STE 285
PORTLAND, OR 97213

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 system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Mary Frisvold's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Frisvold reassigns Medicare benefits to 4 organizations: Providence Health & Services - Oregon (Portland, OR), Providence Health & Services - Oregon (Portland, OR), Legacy Clinics LLC (Portland, OR) and Silverton Health (Molalla, OR). 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 Mary Frisvold's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

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 7 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.