Dr Nelson Vallejo, MD - Medicare Internal Medicine in Las Piedras, PR

Dr Nelson Vallejo, MD is a medicare enrolled "Internal Medicine" physician in Las Piedras, Puerto Rico. He graduated from medical school in 1987 and has 37 years of diverse experience with area of expertise as Internal Medicine. His current practice location is Ave Jose C Barbosa, # 225, Las Piedras, Puerto Rico. You can reach out to his office (for appointments etc.) via phone at (787) 733-3508.

Dr Nelson Vallejo is licensed to practice in Puerto Rico (license number 10500) 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 1306812243.

Contact Information

Dr Nelson Vallejo, MD
Ave Jose C Barbosa, # 225,
Las Piedras, PR 00771
(787) 733-3508
(787) 733-0925

Map and Direction




Physician's Profile

Full NameDr Nelson Vallejo
GenderMale
SpecialityInternal Medicine
Experience37 Years
LocationAve Jose C Barbosa, Las Piedras, 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 Nelson Vallejo graduated from medical school in 1987
  NPI Data:
  • NPI Number: 1306812243
  • Provider Enumeration Date: 02/28/2006
  • Last Update Date: 02/26/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 7113113341
  • Enrollment ID: I20101130000309

Medical Identifiers

Medical identifiers for Dr Nelson Vallejo such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1306812243NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 10500 (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 Nelson Vallejo allows following entities to bill medicare on his behalf.
Entity NameHealthcare Integrate Program Services, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952905374
PECOS PAC ID: 4183086259
Enrollment ID: O20230822001613

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 Nelson Vallejo 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 Nelson Vallejo, MD
Po Box 8,
Las Piedras, PR 00771-0008

Ph: (787) 733-3508
Dr Nelson Vallejo, MD
Ave Jose C Barbosa, # 225,
Las Piedras, PR 00771

Ph: (787) 733-3508

Reviews and Comments


Internal Medicine Doctors in Las Piedras, PR

Dr. Lily B Guzman Bosch, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 11 Calle Jesus T Pinero, Las Piedras, PR 00771
Phone: 787-733-8148    
Dr. Oscar Kidd, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: Carr#198 Km 23.6, Bo Collores, Las Piedras, PR 00771
Phone: 787-716-0740    Fax: 787-716-0904
Dr. Juanita Hernandez, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: Carr, 926 Km. 0.4, Bo. Collores, Las Piedras, PR 00771
Phone: 787-733-2716    
Mrs. Mayra Milagros Colon-candelaria, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 188 Calle Tebas, Olympic Court, Las Piedras, PR 00771
Phone: 787-641-7582    Fax: 787-641-4561
Rafael Maldonado-rosa, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: #21 Jose C. Barbosa, Las Piedras, PR 00771
Phone: 787-733-4474    Fax: 787-733-4474
Dr. Michelle Rivera Resto, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 14 Calle Cerezo, Mans De Los Artesanos, Las Piedras, PR 00771
Phone: 787-671-5957    

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.