Karen Maciejko, NP - Medicare Nurse Practitioner in San Rafael, CA

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Karen Maciejko, NP is a medicare enrolled "Nurse Practitioner - Family" in San Rafael, California. Her current practice location is 411 3rd St, San Rafael, California. You can reach out to her office (for appointments etc.) via phone at (415) 924-4525.

Karen Maciejko is licensed to practice in California (license number 95027143) 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 1407565427.

Contact Information

Karen Maciejko, NP
411 3rd St,
San Rafael, CA 94901-3548
(415) 924-4525
Not Available

Map and Direction




Provider's Profile

Full NameKaren Maciejko
GenderFemale
SpecialityNurse Practitioner - Family
Location411 3rd St, San Rafael, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1407565427
  • Provider Enumeration Date: 11/17/2022
  • Last Update Date: 11/12/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 8921535923
  • Enrollment ID: I20250102000832

Medical Identifiers

Medical identifiers for Karen Maciejko such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1407565427NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family APN.0998178-NP (Colorado)Secondary
363LF0000XNurse Practitioner - Family 95027143 (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. Karen Maciejko allows following entities to bill medicare on her behalf.
Entity NameBrett V Curtis Md & Associates A Professional Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285145383
PECOS PAC ID: 4284961186
Enrollment ID: O20190815001998
Entity NameBrett V Curtis Md A Professional Corporation Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346372661
PECOS PAC ID: 6507194297
Enrollment ID: O20190819003338

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. Karen Maciejko 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
Karen Maciejko, NP
411 3rd St,
San Rafael, CA 94901-3548

Ph: (415) 924-4525		Karen Maciejko, NP
411 3rd St,
San Rafael, CA 94901-3548

Ph: (415) 924-4525

Reviews and Comments


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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.