Dr Gustavo Calleros, MD - Medicare Family Practice in Pasadena, CA

Dr Gustavo Calleros, MD is a medicare enrolled "Family Medicine" physician in Pasadena, California. He went to University Of California, Irvine, California College Of Medicine and graduated in 1999 and has 25 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Modern Concepts Medical Group Inc and his current practice location is 50 Bellefontaine St, Suite 401, Pasadena, California. You can reach out to his office (for appointments etc.) via phone at (626) 793-1931.

Dr Gustavo Calleros is licensed to practice in California (license number A74210) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1346358827.

Contact Information

Dr Gustavo Calleros, MD
50 Bellefontaine St, Suite 401,
Pasadena, CA 91105-3132
(626) 793-1931
(626) 793-0161

Map and Direction




Physician's Profile

Full NameDr Gustavo Calleros
GenderMale
SpecialityFamily Practice
Experience25 Years
Location50 Bellefontaine St, Pasadena, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Gustavo Calleros attended and graduated from University Of California, Irvine, California College Of Medicine in 1999
  NPI Data:
  • NPI Number: 1346358827
  • Provider Enumeration Date: 08/26/2006
  • Last Update Date: 12/29/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 7618942731
  • Enrollment ID: I20040831001396

Medical Identifiers

Medical identifiers for Dr Gustavo Calleros such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1346358827NPI-NPPES
GR0084064MedicaidCA
GR0084061MedicaidCA
00A74210MedicaidCA
GR0084062MedicaidCA
A74210OtherCAMEDICAL LICENSE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine A74210 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
White Memorial Medical CenterLos angeles, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Modern Concepts Medical Group Inc69017930413

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. Dr Gustavo Calleros allows following entities to bill medicare on his behalf.
Entity NameModern Concepts Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790738243
PECOS PAC ID: 6901793041
Enrollment ID: O20040302001418

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. Dr Gustavo Calleros 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
Dr Gustavo Calleros, MD
1217 W Whittier Blvd,
Montebello, CA 90640-4642

Ph: (323) 728-6070
Dr Gustavo Calleros, MD
50 Bellefontaine St, Suite 401,
Pasadena, CA 91105-3132

Ph: (626) 793-1931

Reviews and Comments


Family Medicine Doctors in Pasadena, CA

Dr. Matthew John Sexter, M.D.
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Phone: 626-795-4210    Fax: 626-795-0740
Dr. Arthur Mark Ayvazian, MD
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Dr. John Y. F. Tsai, MD
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Dr. Lauren Wolchok, M.D.
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Dr. Tina I Harutunians, D.O.
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Practice Location: 450 N Lake Ave, Pasadena, CA 91101
Phone: 626-405-6442    
Alina Ter-grigorian, NP
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Practice Location: 1100 Valley View Ave, Pasadena, CA 91107
Phone: 626-316-3008    

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.