Justiniano Castro - Montalvo, MD - Medicare Hematology/oncology in Arecibo, PR

Justiniano Castro - Montalvo, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Arecibo, Puerto Rico. He went to University Of Puerto Rico School Of Medicine and graduated in 1987 and has 37 years of diverse experience with area of expertise as Hematology/oncology. He is a member of the group practice Instituto Del Cancer Y Enfermedades De La Sangre, Csp, Recinto De Ciencias Medicas and his current practice location is Urb Garcia Calle Andres Garcia No. 53, Arecibo, Puerto Rico. You can reach out to his office (for appointments etc.) via phone at (787) 817-4973.

Justiniano Castro - Montalvo is licensed to practice in Puerto Rico (license number 10600) 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 1811041114.

Contact Information

Justiniano Castro - Montalvo, MD
Urb Garcia Calle Andres Garcia No. 53,
Arecibo, PR 00612
(787) 817-4973
(787) 817-4997

Map and Direction




Physician's Profile

Full NameJustiniano Castro - Montalvo
GenderMale
SpecialityHematology/oncology
Experience37 Years
LocationUrb Garcia Calle Andres Garcia No. 53, Arecibo, 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:
  • Justiniano Castro - Montalvo attended and graduated from University Of Puerto Rico School Of Medicine in 1987
  NPI Data:
  • NPI Number: 1811041114
  • Provider Enumeration Date: 01/23/2007
  • Last Update Date: 02/17/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 2961427216
  • Enrollment ID: I20051006000292

Medical Identifiers

Medical identifiers for Justiniano Castro - Montalvo such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1811041114NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology 10600 (Puerto Rico)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Instituto Del Cancer Y Enfermedades De La Sangre, Csp08403832383
Recinto De Ciencias Medicas3678469962207

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. Justiniano Castro - Montalvo allows following entities to bill medicare on his behalf.
Entity NameRecinto De Ciencias Medicas
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1447418173
PECOS PAC ID: 3678469962
Enrollment ID: O20040424000457
Entity NameInstituto Del Cancer Y Enfermedades De La Sangre, Csp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1891990123
PECOS PAC ID: 0840383238
Enrollment ID: O20070830000253

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. Justiniano Castro - Montalvo 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
Justiniano Castro - Montalvo, MD
425 Carr 693, Pmb 371,
Dorado, PR 00646-4802

Ph: (787) 817-4973
Justiniano Castro - Montalvo, MD
Urb Garcia Calle Andres Garcia No. 53,
Arecibo, PR 00612

Ph: (787) 817-4973

Reviews and Comments


Internal Medicine Doctors in Arecibo, PR

Francisco Garcia-cortes, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 47 Calle Morell Campos, Arecibo, PR 00612
Phone: 787-878-9300    Fax: 787-879-3372
Juan C Peraza Delgado, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 258 Calle Ventura Gandarilla, Arecibo, PR 00612
Phone: 787-878-4150    
Melvyn Acosta-ruiz Sr., MD
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 53 Calle Domingo Rubio, Arecibo, PR 00612
Phone: 787-878-3304    Fax: 787-878-3304
Jose R Davila-torres, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 53 Calle Andres Garcia, Instituto Del Cancer Y Enfermedades De La Sangre, Arecibo, PR 00612
Phone: 787-817-4973    Fax: 787-817-4997
Luis Rafael Gonzalez, M.D.
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 58 Ave Barbosa, 58, Arecibo, PR 00612
Phone: 787-878-1908    Fax: 787-878-0421
Mrs. Sandra E Betancourt, MD
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: Urb San Lorenzo Calle Pedro Mora, Suite 1, Arecibo, PR 00612
Phone: 787-817-2512    Fax: 787-816-7364
Dr. Victor Luis Perez-gonzalez, MD
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: Urb Villa Los Santos Calle 16 V 1, Arecibo, PR 00612
Phone: 787-879-1585    

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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.

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