Haley Marie Ernst, CNM
Advanced Practice Midwife · Montrose, CA
Haley Marie Ernst, CNM is an advanced practice midwife with a practice address in Montrose, California, and NPI 1366043580, issued on Nov 4, 2020. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Haley Marie Ernst
- Credential
- CNM
- Primary taxonomy
- Advanced Practice Midwife 367A00000X
- Practice location
- 2203 Mira Vista Ave, Montrose, CA 91020
- Phone
- (559) 801-7829
- Enumerated
- Nov 4, 2020
- Record last updated
- Jun 29, 2022
- Entity
- Type 1 · individual
8 nearest advanced practice midwife records → All 1,115 in California → Look up another NPI →
Verify Haley Marie Ernst in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average advanced practice midwife in 2024
16 Medicare Part D claims, against an average of 72 among the 2,776 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Haley Marie Ernst among 1,115 advanced practice midwife records in California
Haley Marie Ernst, CNM is one of 1,115 advanced practice midwife records with a practice address in California. 33% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 80% of them.
- NPI issued2020 · 80% of these records are older, 16% newer
- In a Medicare fileYes · 33% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2022 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 advanced practice midwife records list a practice address in Montrose
They are 2 of the 188 NPPES records with a practice address in Montrose, and 1,115 advanced practice midwife records in California.
All 1,115 in California → Every provider in Montrose → Advanced Practice Midwife nationwide →
The 8 advanced practice midwife records with the nearest ZIP codes
- Jamie Hatcher, CNMMontrose, CA 910201467844720
- Evelynn Dronberger, CNM, WHNP-BCMonrovia, CA 910161851010748
- Jennifer Buchanan, CNM, WHNP-BC, IBCLCSouth Pasadena, CA 910301790157915
- Erin De Tura, CNMSouth Pasadena, CA 910301831605690
- Clancy McCarty, CNM, RNSouth Pasadena, CA 910301619710530
- Noelle Robnett, CNMSouth Pasadena, CA 910301528902053
- Courtney Stroud, CNMAltadena, CA 910011710421326
- Ca'Sha Knight, MSN, ARNP, CNMPasadena, CA 911011497079172
Common questions
What is Haley Marie Ernst, CNM's NPI number?
Haley Marie Ernst, CNM's National Provider Identifier (NPI) is 1366043580, issued on Nov 4, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Haley Marie Ernst, CNM located?
The NPPES record lists a practice address at 2203 Mira Vista Ave, Montrose, CA, 91020. Phone: (559) 801-7829. Providers update this record themselves, so call before visiting.
How can I verify Haley Marie Ernst, CNM's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Haley Marie Ernst, CNM prescribe under Medicare Part D?
In 2024, Haley Marie Ernst, CNM had 16 Medicare Part D claims; the average among advanced practice midwife prescribers was 72. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.