Marenna Rose Cowan, FNP - Medicare Nurse Practitioner in Costa Mesa, CA

Marenna Rose Cowan, FNP is a medicare enrolled "Nurse Practitioner - Family" in Costa Mesa, California. She graduated from nursing school in 2018 and has 6 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Coastal Family Medicine Inc and her current practice location is 660 Baker St Ste A102, Costa Mesa, California. You can reach out to her office (for appointments etc.) via phone at (714) 668-2505.

Marenna Rose Cowan is licensed to practice in California (license number 95009121) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1063078806.

Contact Information

Marenna Rose Cowan, FNP
660 Baker St Ste A102,
Costa Mesa, CA 92626-4407
(714) 668-2505
(714) 668-2515

Map and Direction




Provider's Profile

Full NameMarenna Rose Cowan
GenderFemale
SpecialityNurse Practitioner
Experience6 Years
Location660 Baker St Ste A102, Costa Mesa, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Marenna Rose Cowan graduated from nursing school in 2018
  NPI Data:
  • NPI Number: 1063078806
  • Provider Enumeration Date: 05/16/2019
  • Last Update Date: 08/16/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 7810223633
  • Enrollment ID: I20190731001272

Medical Identifiers

Medical identifiers for Marenna Rose Cowan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1063078806NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
163W00000XRegistered Nurse 95079580 (California)Secondary
363L00000XNurse Practitioner 95009121 (California)Secondary
363LF0000XNurse Practitioner - Family 95009121 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Coastal Family Medicine Inc458767806534

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Marenna Rose Cowan allows following entities to bill medicare on her behalf.
Entity NameMinuteclinic Diagnostic Medical Group Of Orange County Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1104013879
PECOS PAC ID: 5991868929
Enrollment ID: O20090116000214
Entity NameCoastal Family Medicine Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1275584120
PECOS PAC ID: 4587678065
Enrollment ID: O20090124000106

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. Marenna Rose Cowan is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Marenna Rose Cowan, FNP
Po Box 2218,
Suisun City, CA 94585-5218

Ph: (657) 241-3600
Marenna Rose Cowan, FNP
660 Baker St Ste A102,
Costa Mesa, CA 92626-4407

Ph: (714) 668-2505

Reviews and Comments


Nurse Practitioner Nurses in Costa Mesa, CA

Alexandra Hutchison, FNP-C
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 1530 Baker St Ste A, Costa Mesa, CA 92626
Phone: 714-559-5436    
Judith Rivera, NP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 600 Anton Blvd Fl 11, Costa Mesa, CA 92626
Phone: 623-374-7774    Fax: 855-420-6361
Madison Lucas,
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 150 Paularino Ave Ste D182, Costa Mesa, CA 92626
Phone: 866-300-7227    
Yvette Alfelor Elpidio, NP
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 3151 Airway Ave, T-3, Costa Mesa, CA 92626
Phone: 714-545-5550    Fax: 714-545-5748
Mrs. Suzanne Clara Larkin, FNP-C
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 1665 Scenic Ave, Costa Mesa, CA 92626
Phone: 714-436-4444    
Rachel Renee Cliser, NP
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 188 E 17th St Ste 101, Costa Mesa, CA 92627
Phone: 949-515-4548    
Courtney Proctor,
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 601 W 19th St, Costa Mesa, CA 92627
Phone: 714-922-4100    

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).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.