Mary Lou O'brien, CNM - Advanced Practice Midwife in Hermosa Beach, CA

Mary Lou O'brien, CNM is a Advanced Practice Midwife based in Hermosa Beach, California. Mary Lou O'brien is licensed to practice in California (license number NMW490) and her current practice location is 1028 Loma Dr, Hermosa Beach, California. She can be reached at her office (for appointments etc.) via phone at (310) 376-5647.

NPI number for Mary Lou O'brien is 1124177332 and her current mailing address is 1028 Loma Dr, Hermosa Beach, California. She does not participate in medicare program and thus does not accept medicare assignments. Her NPI Number is 1124177332.

Contact Information

Mary Lou O'brien, CNM
1028 Loma Dr,
Hermosa Beach, CA 90254-4244
(310) 376-5647
Not Available

Map and Direction




Provider's Profile

Full NameMary Lou O'brien
GenderFemale
SpecialityAdvanced Practice Midwife
Location1028 Loma Dr, Hermosa Beach, California
Accepts Medicare AssignmentsDoes not participate in Medicare Program. She may not accept medicare assignment.
  NPI Data:
  • NPI Number: 1124177332
  • Provider Enumeration Date: 01/09/2007
  • Last Update Date: 07/08/2007

Medical Identifiers

Medical identifiers for Mary Lou O'brien such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1124177332NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
367A00000XAdvanced Practice Midwife NMW490 (California)Primary

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Mary Lou O'brien is NOT enrolled with medicare and thus cannot prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Mary Lou O'brien, CNM
1028 Loma Dr,
Hermosa Beach, CA 90254-4244

Ph: (310) 376-5647
Mary Lou O'brien, CNM
1028 Loma Dr,
Hermosa Beach, CA 90254-4244

Ph: (310) 376-5647

Reviews and Comments


Advanced Practice Midwife Nurses in Hermosa Beach, CA


Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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