Maria T Defendini, MD - Medicare Anesthesiology in Olney, MD

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Maria T Defendini, MD is a medicare enrolled "Anesthesiology" physician in Olney, Maryland. She went to University Of Puerto Rico School Of Medicine and graduated in 2001 and has 23 years of diverse experience with area of expertise as Anesthesiology. She is a member of the group practice Medstar Medical Group Anesthesiology Llc, Medstar Medical Group Anesthesiology Llc and her current practice location is 18101 Prince Philip Dr, Olney, Maryland. You can reach out to her office (for appointments etc.) via phone at (301) 598-5100.

Maria T Defendini is licensed to practice in Maryland (license number D63221) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1609991140.

Contact Information

Maria T Defendini, MD
18101 Prince Philip Dr,
Olney, MD 20832-1514
(301) 598-5100
Not Available

Map and Direction




Physician's Profile

Full NameMaria T Defendini
GenderFemale
SpecialityAnesthesiology
Experience23 Years
Location18101 Prince Philip Dr, Olney, Maryland
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Maria T Defendini attended and graduated from University Of Puerto Rico School Of Medicine in 2001
  NPI Data:
  • NPI Number: 1609991140
  • Provider Enumeration Date: 03/21/2007
  • Last Update Date: 07/16/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 6204852155
  • Enrollment ID: I20051019001102

Medical Identifiers

Medical identifiers for Maria T Defendini such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1609991140NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology D63221 (Maryland)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Medstar Saint Mary's HospitalLeonardtown, MDHospital
Medstar Harbor HospitalBaltimore, MDHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Medstar Medical Group Anesthesiology Llc1052678034456
Medstar Medical Group Anesthesiology Llc1052678034456

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. Maria T Defendini allows following entities to bill medicare on her behalf.
Entity NameKaiser Foundation Health Plan Of The Mid-atlantic States,inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952461816
PECOS PAC ID: 3779495858
Enrollment ID: O20040105000308
Entity NameKaiser Foundation Health Plan Of The Mid-atlantic States,inc
Entity TypePart B Supplier - Ambulatory Surgical Center
Entity IdentifiersNPI Number: 1366781700
PECOS PAC ID: 3779495858
Enrollment ID: O20130507000207
Entity NameKaiser Foundation Health Plan Of The Mid-atlantic States,inc
Entity TypePart B Supplier - Ambulatory Surgical Center
Entity IdentifiersNPI Number: 1497023188
PECOS PAC ID: 3779495858
Enrollment ID: O20131029000108
Entity NameMedstar Medical Group Anesthesiology Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1528578333
PECOS PAC ID: 1052678034
Enrollment ID: O20171129001837

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. Maria T Defendini 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
Maria T Defendini, MD
Po Box 79977,
Baltimore, MD 21279-0977

Ph: () -		Maria T Defendini, MD
18101 Prince Philip Dr,
Olney, MD 20832-1514

Ph: (301) 598-5100

Reviews and Comments


Anesthesiology Doctors in Olney, MD

Dr. John Andrew Hamel V, M.D.
Anesthesiology
Medicare: Medicare Enrolled
Practice Location: 18101 Prince Philip Dr, Department Of Anesthesia, Olney, MD 20832
Phone: 301-774-8618    
Brian F Condon, MD
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 18101 Prince Philip Dr, Anesthesia Dept., Olney, MD 20832
Phone: 240-364-2500    
Richard A Kirby, MD
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 18101 Prince Philip Dr, M.g.h - Anesthesia Dept., Olney, MD 20832
Phone: 240-364-2500    

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.