Mary Elizabeth Claassen, CNM
Advanced Practice Midwife · Los Angeles, CA
Mary Elizabeth Claassen, CNM is an advanced practice midwife with a practice address in Los Angeles, California, and NPI 1881938892, issued on Nov 15, 2012. Check the license (California 2017, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Elizabeth Claassen
- Credential
- CNM
- Primary taxonomy
- Advanced Practice Midwife 367A00000X
- License number
- 2017 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1530 S Olive St, Los Angeles, CA 90015
- Phone
- (213) 747-6642
- Enumerated
- Nov 15, 2012
- Record last updated
- Mar 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20240327003285); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1530 S Olive St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ataullah Abdullah, PHARMD, RPH, BCGPPharmacist1891161428
- Mercy Aeri, PAPhysician Assistant1386128478
- Aurelio AguirrePhysician Assistant1639299647
- Jennifer Ahn, MSN, FNP-BCFamily Nurse Practitioner1144637067
- Levi AkparantaPharmacist1154204840
- Nicole AltonPharmacist1346575362
Verify Mary Elizabeth Claassen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 2017Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Cottage Clinical AssociatesSanta Barbara, CA
- Cottage Medical FoundationGoleta, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Advanced Practice Midwife providers in California
There are 1,115 advanced practice midwife records in California.
Other advanced practice midwife records in California
- Brie Abbe, CNMUkiah, CA1457020398
- La Neice Abdel-Shakur, CNMTravis Afb, CA1215098512
- Lauren Abrahamson, CNM, NP, MSNWalnut Creek, CA1225695869
- Nadia Abu-Douleh, MSN CNM WHNP-BCLa Jolla, CA1851157937
- Liliana Acevedo Miramontes, CNM, WHNP-BCGarden Grove, CA1760238596
- Patricia Achilly, CNMSan Diego, CA1932257847
- Deborah Acker, JD, MSN, CNM, RNSacramento, CA1750952099
- Marian Acquistapace, CNM/FNPSanta Cruz, CA1215488226
- Rachael Adair, CNM, PMHNPEureka, CA1104229483
- Deena Adams, CNM/NPFresno, CA1093010977
Common questions
What is Mary Elizabeth Claassen, CNM's NPI number?
Mary Elizabeth Claassen, CNM's National Provider Identifier (NPI) is 1881938892, issued on Nov 15, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Mary Elizabeth Claassen, CNM located?
The NPPES record lists a practice address at 1530 S Olive St, Los Angeles, CA, 90015. Phone: (213) 747-6642. Providers update this record themselves, so call before visiting.
How can I verify Mary Elizabeth Claassen, CNM's license?
NPPES lists California license number 2017, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.