CIARA KNERR CNM, WHNP
NPI 1639839525
Midwife in Irvine, CA

Active since December 20, 2021PECOS EnrolledAccepts Medicare Assignment
16105 SAND CANYON AVE STE 200, IRVINE, CA 92618(949) 829-5500 Get Directions Write a Review

NPPES record last updated: November 8, 2022. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Nov 8, 2022, Dec 20, 2021 (2 updates tracked since 2021).

About Ciara Knerr Cnm, Whnp NPPES

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

CIARA KNERR CNM, WHNP (NPI 1639839525) is an individual midwife in Irvine, California, licensed in California (236231) and active in the NPI registry since December 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1639839525
Entity TypeIndividualFemale
Primary Taxonomy176B00000X
Provider Legal NameCIARA KNERRCredential: CNM, WHNP
Location Address16105 SAND CANYON AVE STE 200Irvine, CA 92618-3779
Mailing Address14262 Matisse AveIrvine, CA 92606-1820 · (702) 354-5431
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateDecember 20, 2021
Last NPPES UpdateNovember 8, 20222 updates tracked since enumeration
NPPES CertifiedNovember 8, 2022
✔ NPI 1639839525 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMidwifeOther Service Providers
Taxonomy Code176B00000X
License✔ Licensed in CA · 236231
Definition
A Midwife is a trained professional with special expertise in supporting women to maintain a healthy pregnancy birth, offering expert individualized care, education, counseling, and support to a woman and her newborn throughout the childbearing cycle. A Midwife is a skilled and independent practitioner who has undergone formalized training. Midwives are not required to be nurses and may be trained via multiple routes of education (apprenticeship, workshop, formal classes, or programs, etc., usually a combination). The educational background requirements and licensing requirements vary by state. The Midwife may or may not be certified by a state or national organization.
16105 SAND CANYON AVE STE 200, Irvine, CA 92618

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

Ciara Knerr Cnm, Whnp 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 ID3173998499
PECOS Enrollment IDI20230418002049
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 Ciara Knerr reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Primary Care
510 SUPERIOR AVE
Newport Beach, CA 92663
  • Reassigned Medicare billing, California enrollment
  • 529 clinicians in this Medicare group
Obstetrics & Gynecology
777 LOWNDES HILL RD BLDG 1
Greenville, SC 29607
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Obhg California PC
  • 711 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.

Other Providers at the Same Location NPPES 2

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

Obstetrics & Gynecology
16105 SAND CANYON AVE STE 200
IRVINE, CA 92618
Advanced Practice Midwife
16105 SAND CANYON AVE STE 200
IRVINE, CA 92618

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 Ciara Knerr's NPI number?

The NPI number for Ciara Knerr is 1639839525. It was assigned to this individual provider in the NPPES registry on December 20, 2021.

Where is Ciara Knerr located?

Ciara Knerr practices at 16105 Sand Canyon Ave Ste 200, Irvine, CA 92618. The listed phone number is (949) 829-5500.

What is Ciara Knerr's specialty?

The primary specialty registered for this NPI is Midwife with taxonomy code 176B00000X.

Is Ciara Knerr enrolled in Medicare?

Yes. Ciara Knerr 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 Ciara Knerr's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ciara Knerr reassigns Medicare benefits to 2 organizations: Hoag Clinic (Newport Beach, CA) and Obhg California, P.C. (Greenville, SC). 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 Ciara Knerr'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 Ciara Knerr was last updated on November 8, 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.