Dr Nicolas Javier Casellas, MD - Medicare Otolaryngology in San Juan, PR

Dr Nicolas Javier Casellas, MD is a medicare enrolled "Otolaryngology" physician in San Juan, Puerto Rico. His current practice location is 30 Calle Teresa Jornet Ste 114, San Juan, Puerto Rico. You can reach out to his office (for appointments etc.) via phone at (787) 410-1464.

Dr Nicolas Javier Casellas is licensed to practice in Puerto Rico (license number 23579) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1417451089.

Contact Information

Dr Nicolas Javier Casellas, MD
30 Calle Teresa Jornet Ste 114,
San Juan, PR 00926-7666
(787) 410-1464
Not Available

Map and Direction




Physician's Profile

Full NameDr Nicolas Javier Casellas
GenderMale
SpecialityOtolaryngology
Location30 Calle Teresa Jornet Ste 114, San Juan, Puerto Rico
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1417451089
  • Provider Enumeration Date: 03/20/2018
  • Last Update Date: 10/21/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 2860741949
  • Enrollment ID: I20230703000195

Medical Identifiers

Medical identifiers for Dr Nicolas Javier Casellas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1417451089NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Y00000XOtolaryngology ME162825 (Florida)Secondary
207Y00000XOtolaryngology 23579 (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 Nicolas Javier Casellas allows following entities to bill medicare on his behalf.
Entity NameUniversity Of Miami
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1013967827
PECOS PAC ID: 3274795109
Enrollment ID: O20200406001006

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 Nicolas Javier Casellas 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 Nicolas Javier Casellas, MD
S9 Calle Jardin,
Guaynabo, PR 00966-2112

Ph: (305) 243-3564
Dr Nicolas Javier Casellas, MD
30 Calle Teresa Jornet Ste 114,
San Juan, PR 00926-7666

Ph: (787) 410-1464

Reviews and Comments


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Phone: 787-250-8090    Fax: 787-281-8308
Dr. Shayanne Alexander Lajud Guerrero, M.D.
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Medicare: Medicare Enrolled
Practice Location: Oto Hns School Of Medicine, Suite A972 Main Bldg Recinto Ciencias Medicas, San Juan, PR 00935
Phone: 787-765-0240    

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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