Esther Herrera, FNP-C - Medicare Nurse Practitioner in Whittier, CA

Esther Herrera, FNP-C is a medicare enrolled "Nurse Practitioner - Family" in Whittier, California. She graduated from nursing school in 2022 and has 4 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Maguire And Welsh Medical Group and her current practice location is 7624 Painter Ave, Whittier, California. You can reach out to her office (for appointments etc.) via phone at (562) 945-9333.

Esther Herrera is licensed to practice in California (license number 95021111) 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 1700523990.

Contact Information

Esther Herrera, FNP-C
7624 Painter Ave,
Whittier, CA 90602-2300
(562) 945-9333
Not Available

Map and Direction




Provider's Profile

Full NameEsther Herrera
GenderFemale
SpecialityNurse Practitioner
Experience4 Years
Location7624 Painter Ave, Whittier, 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:
  • Esther Herrera graduated from nursing school in 2022
  NPI Data:
  • NPI Number: 1700523990
  • Provider Enumeration Date: 05/18/2022
  • Last Update Date: 12/02/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 1153787320
  • Enrollment ID: I20230512000706

Medical Identifiers

Medical identifiers for Esther Herrera such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1700523990NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
163W00000XRegistered Nurse 95182565 (California)Secondary
363LF0000XNurse Practitioner - Family 95021111 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Pih Health Hospital-whittierWhittier, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Maguire And Welsh Medical Group44866203744

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. Esther Herrera allows following entities to bill medicare on her behalf.
Entity NameMaguire & Welsh Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1164467973
PECOS PAC ID: 4486620374
Enrollment ID: O20040902000356

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. Esther Herrera 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
Esther Herrera, FNP-C
7624 Painter Ave Ste 100,
Whittier, CA 90602-2327

Ph: () -
Esther Herrera, FNP-C
7624 Painter Ave,
Whittier, CA 90602-2300

Ph: (562) 945-9333

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.