Amethyst Marie Aguero, DO - Medicare Internal Medicine in El Cajon, CA

  1. Home
  2. Internal Medicine
  3. CA
  4. El Cajon
Amethyst Marie Aguero, DO is a medicare enrolled "Internal Medicine" physician in El Cajon, California. Her current practice location is 525 E Main St, El Cajon, California. You can reach out to her office (for appointments etc.) via phone at (619) 515-2498.

Amethyst Marie Aguero is licensed to practice in California (license number 20A19473) 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 1568021913.

Contact Information

Amethyst Marie Aguero, DO
525 E Main St,
El Cajon, CA 92020-4007
(619) 515-2498
Not Available

Map and Direction




Physician's Profile

Full NameAmethyst Marie Aguero
GenderFemale
SpecialityInternal Medicine
Location525 E Main St, El Cajon, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1568021913
  • Provider Enumeration Date: 06/10/2019
  • Last Update Date: 08/01/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 7810373651
  • Enrollment ID: I20221003001922

Medical Identifiers

Medical identifiers for Amethyst Marie Aguero such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1568021913NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 20A19473 (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. Amethyst Marie Aguero allows following entities to bill medicare on her behalf.
Entity NameFamily Health Centers Of San Diego, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1447281936
PECOS PAC ID: 3476446378
Enrollment ID: O20040204000923

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. Amethyst Marie Aguero 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
Amethyst Marie Aguero, DO
823 Gateway Center Way,
San Diego, CA 92102-4541

Ph: (619) 515-2300		Amethyst Marie Aguero, DO
525 E Main St,
El Cajon, CA 92020-4007

Ph: (619) 515-2498

Reviews and Comments


Internal Medicine Doctors in El Cajon, CA

Marin Nishimura,
Internal Medicine
Medicare: May Accept Medicare Assignments
Practice Location: 300 S Pierce St Ste 201, El Cajon, CA 92020
Phone: 619-668-4700    
Dr. Steven Golbus, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1457 E Madison Ave, El Cajon, CA 92019
Phone: 619-440-4591    
Lauren Cullen Vincent, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 525 E Main St, El Cajon, CA 92020
Phone: 619-515-2498    
Genaro Fernandez, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1380 El Cajon Blvd Ste 100, El Cajon, CA 92020
Phone: 619-867-0557    Fax: 619-867-0558
Dr. David Frederick Polster, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: Volunteers In Medicine San Diego, 1457 W Madison Ave, El Cajon, CA 92019
Phone: 619-440-4591    Fax: 619-440-4944
Prachi Avinash Karnik, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1240 Broadway, El Cajon, CA 92021
Phone: 858-499-2600    Fax: 619-441-6349
Dimitri Atanasov Sherev, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1380 El Cajon Blvd Ste 100, El Cajon, CA 92020
Phone: 619-867-0557    Fax: 619-867-0558

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.