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MRS. HALEY MARIE ERNST CNM
NPI 1366043580
Advanced Practice Midwife in Montrose, CA

Active since November 04, 2020PECOS Enrolled
2203 MIRA VISTA AVE, MONTROSE, CA 91020(559) 801-7829 Get Directions Write a Review

NPPES record last updated: June 29, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mrs. Haley Marie Ernst Cnm NPPES

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

MRS. HALEY MARIE ERNST CNM (NPI 1366043580) is an individual advanced practice midwife in Montrose, California and active in the NPI registry since November 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1366043580
Entity TypeIndividualFemale
Primary Taxonomy367A00000X
Provider Legal NameMRS. HALEY MARIE ERNSTCredential: CNM
Location Address2203 MIRA VISTA AVEMontrose, CA 91020-1561
Mailing Address2203 Mira Vista AveMontrose, CA 91020-1561 · (559) 801-7829
Phone(559) 801-7829
Sole ProprietorNo
Enumeration DateNovember 4, 2020
Last NPPES UpdateJune 29, 2022
NPPES CertifiedNovember 4, 2020
✔ NPI 1366043580 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
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.
2203 MIRA VISTA AVE, Montrose, CA 91020
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Haley Marie Ernst 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.

Medicare Billing Reassignment

Medicare enrollment records show Haley Ernst reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
4.6 mi
Health Maintenance Organization
2626 COLORADO BLVD
Los Angeles, CA 90041
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1013409044 (877) 608-0044

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 91020 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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.

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 Haley Ernst's NPI number?

The NPI number for Haley Ernst is 1366043580. It was assigned to this individual provider in the NPPES registry on November 4, 2020.

Where is Haley Ernst located?

Haley Ernst practices at 2203 Mira Vista Ave, Montrose, CA 91020. The listed phone number is (559) 801-7829.

What is Haley Ernst's specialty?

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

Is Haley Ernst enrolled in Medicare?

Yes. Haley Ernst is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Haley Ernst's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Haley Ernst reassigns Medicare benefits to Southern California Permanente Medical Group (Los Angeles, CA). The 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 Haley Ernst's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Haley Ernst was last updated on June 29, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.