Dr Leon Frederick O'neill Iv, DO - Medicare Cardiovascular Disease (cardiology) in Eatontown, NJ

Dr Leon Frederick O'neill Iv, DO is a medicare enrolled "Internal Medicine - Cardiovascular Disease" physician in Eatontown, New Jersey. He went to Philadelphia College Of Osteopathic Medicine and graduated in 2005 and has 19 years of diverse experience with area of expertise as Cardiovascular Disease (cardiology). He is a member of the group practice Monmouth Cardiology Associates, Llc, Meridian Cardiovascular Interpretive Services Pc and his current practice location is 11 Meridian Rd, Eatontown, New Jersey. You can reach out to his office (for appointments etc.) via phone at (732) 776-5138.

Dr Leon Frederick O'neill Iv is licensed to practice in New Jersey (license number 25MB08394100) 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 1275723736.

Contact Information

Dr Leon Frederick O'neill Iv, DO
11 Meridian Rd,
Eatontown, NJ 07724-2242
(732) 776-5138
(732) 776-6601



Physician's Profile

Full NameDr Leon Frederick O'neill Iv
GenderMale
SpecialityCardiovascular Disease (cardiology)
Experience19 Years
Location11 Meridian Rd, Eatontown, New Jersey
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 Leon Frederick O'neill Iv attended and graduated from Philadelphia College Of Osteopathic Medicine in 2005
  NPI Data:
  • NPI Number: 1275723736
  • Provider Enumeration Date: 07/30/2007
  • Last Update Date: 04/09/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 6800064411
  • Enrollment ID: I20110727000135

Medical Identifiers

Medical identifiers for Dr Leon Frederick O'neill Iv such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1275723736NPI-NPPES
22-3052989OtherNJTAX ID#
0267929MedicaidNJ

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0000XInternal Medicine - Cardiovascular Disease 0102208428 (Virginia)Secondary
207RC0000XInternal Medicine - Cardiovascular Disease 25MB08394100 (New Jersey)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Jersey Shore University Medical CenterNeptune, NJHospital
Centrastate Medical CenterFreehold, NJHospital
Ocean Medical CenterBrick, NJHospital
Monmouth Medical CenterLong branch, NJHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Monmouth Cardiology Associates, Llc690188120039
Meridian Cardiovascular Interpretive Services Pc852701223632

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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 Leon Frederick O'neill Iv allows following entities to bill medicare on his behalf.
Entity NameMonmouth Cardiology Associates, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285601674
PECOS PAC ID: 6901881200
Enrollment ID: O20040621001822

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Entity NameMeridian Cardiovascular Interpretive Services Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1548310576
PECOS PAC ID: 8527012236
Enrollment ID: O20050307000039

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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 Leon Frederick O'neill Iv 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 Leon Frederick O'neill Iv, DO
11 Meridian Rd,
Eatontown, NJ 07724-2242

Ph: (732) 776-5138
Dr Leon Frederick O'neill Iv, DO
11 Meridian Rd,
Eatontown, NJ 07724-2242

Ph: (732) 776-5138

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Internal Medicine Doctors in Eatontown, NJ

Violet Elizabeth Kramer, MD
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 30 Corbett Way, Eatontown, NJ 07724
Phone: 732-380-0020    
Dr. Mariam Gamal Wassef, D.O.
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 274 Route 35, Eatontown, NJ 07724
Phone: 732-440-7336    Fax: 732-440-9404
Hank Ashforth, MD
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 145 Wyckoff Rd Ste 301, Eatontown, NJ 07724
Phone: 848-208-5250    
Dr. Bharath Sathya, M.D.
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 11 Meridian Rd, Eatontown, NJ 07724
Phone: 732-663-0300    Fax: 732-663-0301
Dr. Jeffrey Osofsky, M.D.
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 11 Meridian Rd, Eatontown, NJ 07724
Phone: 732-663-0300    Fax: 732-663-0301
Dr. Charles Mattina, M.D.
Cardiovascular Disease
Medicare: Not Enrolled in Medicare
Practice Location: 11 Meridian Rd, Eatontown, NJ 07724
Phone: 732-663-0300    Fax: 732-663-0301
Jason David Litsky, DO
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 11 Meridian Rd, Eatontown, NJ 07724
Phone: 732-663-0300    Fax: 732-663-0301

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