Holly Zierenberg, CNM
NPI 1407638588 · Advanced Practice Midwife · Orem, UT
Enrolled with Medicare as Practitioner - Certified Nurse Midwife (cnm) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Holly Zierenberg, CNM is a Advanced Practice Midwife provider in Orem, UT (NPI 1407638588).
Provider details
- NPI number
- 1407638588
- Entity type
- Individual
- Primary specialty
- Advanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNM
- Sex
- Female
- Sole proprietor
- No
- License
- 7704244-4402 (UT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
2 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
3 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$75 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 1248 E 90 N # 300American Fork, UT 84003-2956Phone: (801) 756-9635
- 3000 N Triumph Blvd Ste 210Lehi, UT 84043-7187Phone: (801) 756-1577Fax: (801) 216-8357
Registry dates
- Enumerated
- 2023-10-16
- Last updated
- 2026-01-06
- Certified
- 2026-01-06
Frequently asked questions
- What is Holly Zierenberg's NPI number?
- Holly Zierenberg's National Provider Identifier (NPI) is 1407638588, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Holly Zierenberg's specialty?
- Holly Zierenberg is listed in the NPPES registry with a primary specialty of Advanced Practice Midwife (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Holly Zierenberg located?
- Holly Zierenberg's practice location on file with NPPES is 527 W 400 N, Orem, UT 84057-1916.
- What is Holly Zierenberg's phone number?
- The practice phone number listed in the NPPES registry for Holly Zierenberg is (801) 714-3570.
- Does Holly Zierenberg accept Medicare?
- Holly Zierenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Holly Zierenberg's NPI active?
- Yes — Holly Zierenberg's NPI (1407638588) is active in the NPPES registry as of the last update on 2026-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.