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HOLLY ZIERENBERG CNM
NPI 1407638588
Advanced Practice Midwife in Orem, UT

Active since October 16, 2023PECOS Enrolled

NPPES record last updated: January 6, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 6, 2026, Oct 16, 2023 (2 updates tracked since 2023).

About Holly Zierenberg Cnm NPPES

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

HOLLY ZIERENBERG CNM (NPI 1407638588) is an individual advanced practice midwife in Orem, Utah, licensed in Utah (7704244-4402) and active in the NPI registry since October 2023. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1407638588
Entity TypeIndividualFemale
Primary Taxonomy367A00000X
Provider Legal NameHOLLY ZIERENBERGCredential: CNM
Location Address527 W 400 NOrem, UT 84057-1916
Mailing AddressPo Box 27128Salt Lake City, UT 84127-0128
Phone(801) 714-3570
Sole ProprietorNo
Enumeration DateOctober 16, 2023
Last NPPES UpdateJanuary 6, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 6, 2026
✔ NPI 1407638588 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAdvanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367A00000X
License✔ Licensed in UT · 7704244-4402
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.
Also ListedMidwifeTaxonomy 176B00000X · License 7704244-4402 (UT)
527 W 400 N, Orem, UT 84057
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11248 E 90 N # 300American Fork, UT 84003-2956 · Phone (801) 756-9635
Location 23000 N Triumph Blvd Ste 210Lehi, UT 84043-7187 · Phone (801) 756-1577 · Fax (801) 216-8357

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Holly Zierenberg 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 Reassignments

2

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

Ihc Health Services Inc
0.1 mi
Orthopaedic Surgery
163 N 400 W, SUITE A1
Orem, UT 84057
  • Reassigned Medicare billing, Utah enrollment
  • 3,691 clinicians in this Medicare group
NPI 1336273424 (801) 225-8494
Valley Obstetrics And Gynecology, P.C.
0.9 mi
Obstetrics & Gynecology
700 W 800 N
Orem, UT 84057
  • Reassigned Medicare billing, Utah enrollment
  • Medicare enrollment name: Valley Obstetrics And Gynecology, PC
  • 105 clinicians in this Medicare group
NPI 1164952826 (801) 374-1801

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 84057 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
$84.41 typical visit price
range $54.34 – $166.03
Typical copayment $21.10 (range $13.58 – $41.50)
Most-billed visit code 99203
Established Patient
$68.01 typical visit price
range $17.23 – $135.20
Typical copayment $17.00 (range $4.30 – $33.80)
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 17

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

MR. BRIAN ADAM GIBBY OT
Occupational Therapist
527 W 400 N
OREM, UT 84057
Utah County (801) 714-3505
BLAYNE BRIDGE
Physical Therapist
527 W 400 N
OREM, UT 84057
Utah County (801) 714-3366
CINDY BRIGHT OTR/L
Occupational Therapist
527 W 400 N
OREM, UT 84057
Utah County (801) 714-3505
ELIZABETH ROSE SINCOCK
Speech-Language Pathologist
527 W 400 N
OREM, UT 84057
Utah County (801) 714-3505
ANDREW DAVIS WRIGHT D.P.T.
Physical Therapist
527 W 400 N
OREM, UT 84057
Utah County (801) 714-3366
IHC HEALTH SERVICES INC
Midwife
527 W 400 N, STE 4
OREM, UT 84057
Utah County (801) 714-3388
KATHLEEN SACKS R.N.
Registered Nurse
527 W 400 N, SUITE 3
OREM, UT 84057
Utah County (801) 714-3349
KARA TROMBLEY OTR/L
Occupational Therapist
527 W 400 N
OREM, UT 84057
Utah County (801) 714-3505

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 Holly Zierenberg's NPI number?

The NPI number for Holly Zierenberg is 1407638588. It was assigned to this individual provider in the NPPES registry on October 16, 2023.

Where is Holly Zierenberg located?

Holly Zierenberg practices at 527 W 400 N, Orem, UT 84057. The listed phone number is (801) 714-3570.

What is Holly Zierenberg's specialty?

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

Is Holly Zierenberg enrolled in Medicare?

Yes. Holly Zierenberg is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Holly Zierenberg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Holly Zierenberg reassigns Medicare benefits to 2 organizations: Ihc Health Services Inc (Orem, UT) and Valley Obstetrics And Gynecology, P.C. (Orem, UT). 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 Holly Zierenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Holly Zierenberg accept?

Health plans from Select Health list Holly Zierenberg 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 Holly Zierenberg was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.