Robert M Castro, DO - Medicare Interventional Cardiology in Santa Ana, CA

Robert M Castro, DO is a medicare enrolled "Internal Medicine" physician in Santa Ana, California. He graduated from medical school in 2005 and has 20 years of diverse experience with area of expertise as Interventional Cardiology. His current practice location is 2621 S Bristol St, Suite 108, Santa Ana, California. You can reach out to his office (for appointments etc.) via phone at (714) 754-1684.

Robert M Castro is licensed to practice in California (license number 20A9770) 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 1285777813.

Contact Information

Robert M Castro, DO
2621 S Bristol St, Suite 108,
Santa Ana, CA 92704-5766
(714) 754-1684
(714) 966-0417

Map and Direction




Physician's Profile

Full NameRobert M Castro
GenderMale
SpecialityInterventional Cardiology
Experience20 Years
Location2621 S Bristol St, Santa Ana, 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:
  • Robert M Castro graduated from medical school in 2005
  NPI Data:
  • NPI Number: 1285777813
  • Provider Enumeration Date: 02/14/2007
  • Last Update Date: 05/27/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 1557468691
  • Enrollment ID: I20070523000750

Medical Identifiers

Medical identifiers for Robert M Castro such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1285777813NPI-NPPES
00AX97700MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 20A9770 (California)Secondary
207R00000XInternal Medicine 20A9770 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
San Antonio Regional HospitalUpland, CAHospital

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. Robert M Castro allows following entities to bill medicare on his behalf.
Entity NameCardio-interventional Specialists
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1154824035
PECOS PAC ID: 8123381464
Enrollment ID: O20180418002727

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. Robert M Castro 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
Robert M Castro, DO
1358 Pierre Rd,
Walnut, CA 91789-4476

Ph: (626) 765-7297
Robert M Castro, DO
2621 S Bristol St, Suite 108,
Santa Ana, CA 92704-5766

Ph: (714) 754-1684

Reviews and Comments


Internal Medicine Doctors in Santa Ana, CA

Dr. Meena Kumari Meka, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 2740 S Bristol St Ste 208, Santa Ana, CA 92704
Phone: 714-979-5734    Fax: 562-426-9882
Mr. Hon Yu, MD
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Medicare: Medicare Enrolled
Practice Location: 2701 S Bristol St, Santa Ana, CA 92704
Phone: 714-210-2450    Fax: 714-210-2454
Alan C Schwartz, MD
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Practice Location: 2621 S Bristol St, #307, Santa Ana, CA 92704
Phone: 714-918-3070    
Ranjit N Goonetilleke, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 999 N Tustin Ave, Suite 224, Santa Ana, CA 92705
Phone: 714-973-8522    
Quy Huu Nguyen, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 1725 W 17th St, Santa Ana, CA 92706
Phone: 714-834-8017    Fax: 714-896-7316
Dr. Nabil A Phillips, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1100 N Tustin Ave, Suite A, Santa Ana, CA 92705
Phone: 714-542-9100    Fax: 714-542-9105
Dr. Ronald L Kaufman, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 3 Imperial Promenade, Ste 300, Santa Ana, CA 92707
Phone: 714-428-6812    Fax: 714-242-7640

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).

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