Charlotte Robertshaw, NP - Medicare Nurse Practitioner in Greenbrae, CA

Charlotte Robertshaw, NP is a medicare enrolled "Nurse Practitioner - Primary Care" in Greenbrae, California. Her current practice location is 350 Bon Air Ctr Ste 200, Greenbrae, California. You can reach out to her office (for appointments etc.) via phone at (888) 663-6331.

Charlotte Robertshaw is licensed to practice in California (license number NP95023334) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1780378406.

Contact Information

Charlotte Robertshaw, NP
350 Bon Air Ctr Ste 200,
Greenbrae, CA 94904-3000
(888) 663-6331
Not Available

Map and Direction




Provider's Profile

Full NameCharlotte Robertshaw
GenderFemale
SpecialityNurse Practitioner - Primary Care
Location350 Bon Air Ctr Ste 200, Greenbrae, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1780378406
  • Provider Enumeration Date: 06/06/2023
  • Last Update Date: 08/03/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 1254791833
  • Enrollment ID: I20230713003212

Medical Identifiers

Medical identifiers for Charlotte Robertshaw such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1780378406NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LP2300XNurse Practitioner - Primary Care NP95023334 (California)Primary

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. Charlotte Robertshaw allows following entities to bill medicare on her behalf.
Entity NameOne Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1467781641
PECOS PAC ID: 2567623739
Enrollment ID: O20120416000113

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. Charlotte Robertshaw 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
Charlotte Robertshaw, NP
1 Embarcadero Ctr Ste 1900,
San Francisco, CA 94111-3723

Ph: () -
Charlotte Robertshaw, NP
350 Bon Air Ctr Ste 200,
Greenbrae, CA 94904-3000

Ph: (888) 663-6331

Reviews and Comments


Nurse Practitioner Nurses in Greenbrae, CA

Ms. Deborah Anne Weber, NP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 900 S Eliseo Dr Ste 202, Greenbrae, CA 94904
Phone: 415-461-3500    
Mary Rebecca Conroy, NP
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 1350 South Eliseo Drive, Suite 140, Greenbrae, CA 94904
Phone: 415-925-7450    Fax: 415-925-7652
Mr. Jesse Woisard Wennik, NP, CNS
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 250 Bon Air Rd, Greenbrae, CA 94904
Phone: 415-499-6835    Fax: 415-507-4113
Cheryl Lynn Randolph, F.N.P.
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 250 Bon Air Rd, Greenbrae, CA 94904
Phone: 415-448-1500    Fax: 415-461-4229
Marisa Woods, N.P.
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 350 Bon Air Ctr, Suite 200, Greenbrae, CA 94904
Phone: 415-578-3095    Fax: 415-291-0489
Mrs. Jeannot Lee Carlson, FNP
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 599 Sir Francis Drake Blvd Ste 202, Suite 117, Greenbrae, CA 94904
Phone: 415-461-1149    Fax: 415-925-1156
Amy Blevins, FNP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 1300 S Eliseo Dr Ste 101, Greenbrae, CA 94904
Phone: 415-497-5420    

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.