Raymond Esparza, MD - Medicare Internal Medicine in San Dimas, CA

Raymond Esparza, MD is a medicare enrolled "Internal Medicine" physician in San Dimas, California. He went to University Of California, San Diego School Of Medicine and graduated in 1992 and has 32 years of diverse experience with area of expertise as Internal Medicine. His current practice location is 1330 W Covina Blvd, #203, San Dimas, California. You can reach out to his office (for appointments etc.) via phone at (909) 394-0044.

Raymond Esparza is licensed to practice in California (license number G77594) 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 1497717391.

Contact Information

Raymond Esparza, MD
1330 W Covina Blvd, #203,
San Dimas, CA 91773-3200
(909) 394-0044
(909) 394-6133

Map and Direction




Physician's Profile

Full NameRaymond Esparza
GenderMale
SpecialityInternal Medicine
Experience32 Years
Location1330 W Covina Blvd, San Dimas, 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:
  • Raymond Esparza attended and graduated from University Of California, San Diego School Of Medicine in 1992
  NPI Data:
  • NPI Number: 1497717391
  • Provider Enumeration Date: 04/05/2006
  • Last Update Date: 01/03/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 1254357940
  • Enrollment ID: I20051021000463

Medical Identifiers

Medical identifiers for Raymond Esparza such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1497717391NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine G77594 (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. Raymond Esparza allows following entities to bill medicare on his behalf.
Entity NameRaymond J. Esparza Md Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1578648523
PECOS PAC ID: 4284726209
Enrollment ID: O20070822001176

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. Raymond Esparza 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
Raymond Esparza, MD
1330 W Covina Blvd, #203,
San Dimas, CA 91773-3200

Ph: (909) 394-0044
Raymond Esparza, MD
1330 W Covina Blvd, #203,
San Dimas, CA 91773-3200

Ph: (909) 394-0044

Reviews and Comments


Internal Medicine Doctors in San Dimas, CA

Bahman John Moghadam,
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 1335 Cypress St Ste 205, San Dimas, CA 91773
Phone: 909-542-2777    
Dr. Abid Arif Rizvi, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1335 Cypress St Ste 205, San Dimas, CA 91773
Phone: 909-542-2777    
Claudio H Gallego, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1335 W Cypress Ave, Suite # 205, San Dimas, CA 91773
Phone: 909-542-2770    Fax: 909-394-1800
Mr. Ron Dunchok, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1334 West Covina Blvd, Suite 204, San Dimas, CA 91773
Phone: 909-599-6300    Fax: 909-305-2500
Dr. Jim Nguyen, D.O.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1335 Cypress St Ste 205, San Dimas, CA 91773
Phone: 909-542-2777    
Mr. Afshin Saadat, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1334 W Covina Blvd Ste 204, San Dimas, CA 91773
Phone: 909-599-6300    Fax: 909-305-2500

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.