Mr Ariel Casillas Jr, ARNP - Medicare Nurse Practitioner in Altamonte Springs, FL

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Mr Ariel Casillas Jr, ARNP is a medicare enrolled "Nurse Practitioner - Family" in Altamonte Springs, Florida. His current practice location is 1090 W State Road 436, Altamonte Springs, Florida. You can reach out to his office (for appointments etc.) via phone at (407) 869-1030.

Mr Ariel Casillas Jr is licensed to practice in Florida (license number AAPRN11016722) 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 1255083556.

Contact Information

Mr Ariel Casillas Jr, ARNP
1090 W State Road 436,
Altamonte Springs, FL 32714-2921
(407) 869-1030
(407) 869-1025

Map and Direction




Provider's Profile

Full NameMr Ariel Casillas Jr
GenderMale
SpecialityNurse Practitioner - Family
Location1090 W State Road 436, Altamonte Springs, Florida
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1255083556
  • Provider Enumeration Date: 01/19/2022
  • Last Update Date: 12/16/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 0042602831
  • Enrollment ID: I20220128001672

Medical Identifiers

Medical identifiers for Mr Ariel Casillas Jr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1255083556NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family AAPRN11016722 (Florida)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. Mr Ariel Casillas Jr allows following entities to bill medicare on his behalf.
Entity NameCardiac Specialty Institute, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1104242346
PECOS PAC ID: 0648402669
Enrollment ID: O20140407000052
Entity NameMichael Morris Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1265247142
PECOS PAC ID: 5395268502
Enrollment ID: O20250328001117

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. Mr Ariel Casillas Jr 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
Mr Ariel Casillas Jr, ARNP
1706 E Semoran Blvd Ste 118,
Apopka, FL 32703-5600

Ph: (407) 765-6982		Mr Ariel Casillas Jr, ARNP
1090 W State Road 436,
Altamonte Springs, FL 32714-2921

Ph: (407) 869-1030

Reviews and Comments


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Medicare: Medicare Enrolled
Practice Location: 894 E Altamonte Dr, Altamonte Springs, FL 32701
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Ms. Madeline Japp,
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Medicare: Not Enrolled in Medicare
Practice Location: 251 Maitland Ave Ste 116, Altamonte Springs, FL 32701
Phone: 407-915-5643    Fax: 407-960-2602
Kelly Renee Paeth, APRN
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Phone: 407-212-9532    

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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