Denis P O'brien, MD - Medicare Orthopedic Surgery in Olney, MD

Denis P O'brien, MD is a medicare enrolled "Orthopaedic Surgery" physician in Olney, Maryland. He went to Georgetown University School Of Medicine and graduated in 1983 and has 41 years of diverse experience with area of expertise as Orthopedic Surgery. He is a member of the group practice Centers For Advanced Orthopaedics Llc and his current practice location is 3414 Olandwood Ct, Olney, Maryland. You can reach out to his office (for appointments etc.) via phone at (301) 774-0500.

Denis P O'brien is licensed to practice in Maryland (license number D0042989) 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 1427053339.

Contact Information

Denis P O'brien, MD
3414 Olandwood Ct,
Olney, MD 20832-1384
(301) 774-0500
(301) 774-1186



Physician's Profile

Full NameDenis P O'brien
GenderMale
SpecialityOrthopedic Surgery
Experience41 Years
Location3414 Olandwood Ct, Olney, Maryland
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:
  • Denis P O'brien attended and graduated from Georgetown University School Of Medicine in 1983
  NPI Data:
  • NPI Number: 1427053339
  • Provider Enumeration Date: 06/16/2005
  • Last Update Date: 11/23/2009
  Medicare PECOS Information:
  • PECOS PAC ID: 2668379603
  • Enrollment ID: I20100929000574

Medical Identifiers

Medical identifiers for Denis P O'brien such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1427053339NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207X00000XOrthopaedic Surgery D0042989 (Maryland)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Medstar Montgomery Medical CenterOlney, MDHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Centers For Advanced Orthopaedics Llc8123260981476

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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. Denis P O'brien allows following entities to bill medicare on his behalf.
Entity NameCenters For Advanced Orthopaedics Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1487093167
PECOS PAC ID: 8123260981
Enrollment ID: O20131024001780

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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. Denis P O'brien 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
Denis P O'brien, MD
3414 Olandwood Ct,
Olney, MD 20832-1384

Ph: (301) 774-0500
Denis P O'brien, MD
3414 Olandwood Ct,
Olney, MD 20832-1384

Ph: (301) 774-0500

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Orthopaedic Surgery Doctors in Olney, MD

Tobin Thomas Eckel, MD
Orthopedic Surgery
Medicare: Medicare Enrolled
Practice Location: 3414 Olandwood Ct, Olney, MD 20832
Phone: 301-774-0500    Fax: 301-774-7338
Dr. Charles Francis Mess Sr., M.D.
Orthopedic Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 3414 Olandwood Ct, Olney, MD 20832
Phone: 301-774-0500    Fax: 301-774-1186
Dr. Kevin Mcmahon, M.D.
Orthopedic Surgery
Medicare: Medicare Enrolled
Practice Location: 3414 Olandwood Ct, Olney, MD 20832
Phone: 301-774-0500    Fax: 301-774-1186
Dr. Carter Wallace Mitchell, M.D.
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 18109 Prince Philip Dr, Suite 325, Olney, MD 20832
Phone: 301-774-8958    Fax: 301-774-8959
William Robert Volk, MD
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 3414 Olandwood Ct, Olney, MD 20832
Phone: 301-774-0500    Fax: 301-774-7338
Dr. Andrew Mo, MD
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 18109 Prince Philip Dr Ste 325, Olney, MD 20832
Phone: 301-774-8958    
Dr. Alan Nagel, MD
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 3414 Olandwood Ct, Olney, MD 20832
Phone: 301-774-0500    Fax: 301-774-7338

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