Dr Esteban Castro-diaz, MD - Medicare Gastroenterology in Carolina, PR

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Dr Esteban Castro-diaz, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Carolina, Puerto Rico. He went to University Of Puerto Rico School Of Medicine and graduated in 1984 and has 40 years of diverse experience with area of expertise as Gastroenterology. His current practice location is Dl13 Via Emilia, Urb. Villa Fontana, Carolina, Puerto Rico. You can reach out to his office (for appointments etc.) via phone at (787) 768-1355.

Dr Esteban Castro-diaz is licensed to practice in Puerto Rico (license number 8507) 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 1407920580.

Contact Information

Dr Esteban Castro-diaz, MD
Dl13 Via Emilia, Urb. Villa Fontana,
Carolina, PR 00983-3907
(787) 768-1355
Not Available

Map and Direction




Physician's Profile

Full NameDr Esteban Castro-diaz
GenderMale
SpecialityGastroenterology
Experience40 Years
LocationDl13 Via Emilia, Carolina, Puerto Rico
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 Esteban Castro-diaz attended and graduated from University Of Puerto Rico School Of Medicine in 1984
  NPI Data:
  • NPI Number: 1407920580
  • Provider Enumeration Date: 11/20/2006
  • Last Update Date: 08/09/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 4587859400
  • Enrollment ID: I20101117000395

Medical Identifiers

Medical identifiers for Dr Esteban Castro-diaz such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1407920580NPI-NPPES
080204OtherPRSSS
214022OtherPRPREFERRED
069910OtherPRCRUZ AZUL OF PUERTO RICO
8000408OtherPRHUMANA
03365OtherPRAMERICAN HEALTH
601192OtherPRMMM
36825OtherPRASOCIACION DE MAESTROS

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 8507 (Puerto Rico)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. Dr Esteban Castro-diaz allows following entities to bill medicare on his behalf.
Entity NameCastro Gastroenterology Medical Services, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1528487949
PECOS PAC ID: 2860615291
Enrollment ID: O20140603001424

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 Esteban Castro-diaz 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 Esteban Castro-diaz, MD
Po Box 8820,
Carolina, PR 00988-8820

Ph: (787) 860-6300		Dr Esteban Castro-diaz, MD
Dl13 Via Emilia, Urb. Villa Fontana,
Carolina, PR 00983-3907

Ph: (787) 768-1355

Reviews and Comments


Internal Medicine Doctors in Carolina, PR

Dr. Luis R Lopez-ruyol, MD
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 117 A #4 Roberto Clemente Ave, Urb Villa Carolina, Carolina, PR 00985
Phone: 787-762-0700    Fax: 787-762-0700
Dr. Anisonia Martinez Hernandez, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: Ave Iturregui, Country Club, Carolina, PR 00985
Phone: 787-768-4278    
Dr. Teresa Monge, M.D.
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: Qk25 Calle 533, 4th Ext. Country Club, Carolina, PR 00982
Phone: 787-276-4688    
Victor Manuel Arroyo, MD
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: Cond Plaza Altantico, Apt 1402, Carolina, PR 00979
Phone: 787-380-2439    
Dr. Hector Santos, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: Escorial Building One 1400 Avenue Sur Suite160, Carolina, PR 00987
Phone: 787-257-1511    Fax: 787-257-1881
Vanessa Velazquez, M.D.
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: Go4-b Campo Rico Avenue, Country Club, Carolina, PR 00982
Phone: 787-750-0444    Fax: 787-750-0195
Dr. Monica Cespedes Santana, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 4735 Ave Isla Verde Apt 5k, Carolina, PR 00979
Phone: 787-342-2784    

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.