Theresa J Hallenen, OT - Medicare Occupational Therapist in Waldorf, MD

Theresa J Hallenen, OT is a medicare enrolled "Occupational Therapist" provider in Waldorf, Maryland. She graduated from medical school in 2009 and has 15 years of diverse experience with area of expertise as Occupational Therapy. She is a member of the group practice Duke University Health System Inc and her current practice location is 3 Post Office Rd, Waldorf, Maryland. You can reach out to her office (for appointments etc.) via phone at (301) 540-6140.

Theresa J Hallenen is licensed to practice in Maryland (license number 06359) 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 1811263502.

Contact Information

Theresa J Hallenen, OT
3 Post Office Rd,
Waldorf, MD 20602-2756
(301) 540-6140
(301) 540-5190

Map and Direction




Healthcare Provider's Profile

Full NameTheresa J Hallenen
GenderFemale
SpecialityOccupational Therapy
Experience15 Years
Location3 Post Office Rd, Waldorf, 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:
  • Theresa J Hallenen graduated from medical school in 2009
  NPI Data:
  • NPI Number: 1811263502
  • Provider Enumeration Date: 03/27/2012
  • Last Update Date: 03/27/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 8426310590
  • Enrollment ID: I20180329002504

Medical Identifiers

Medical identifiers for Theresa J Hallenen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1811263502NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
225X00000XOccupational Therapist 06359 (Maryland)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Duke University Health System Inc2567372345837

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. Theresa J Hallenen allows following entities to bill medicare on her behalf.
Provider NameDuke University Health System Inc
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1558392977
PECOS PAC ID: 2567372345
Enrollment ID: O20031201000521

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. Theresa J Hallenen 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
Theresa J Hallenen, OT
20410 Century Blvd, Nrh Rehabilitation Network - Suite 215,
Germantown, MD 20874-1186

Ph: (301) 540-6140
Theresa J Hallenen, OT
3 Post Office Rd,
Waldorf, MD 20602-2756

Ph: (301) 540-6140

Reviews and Comments


Occupational Therapist in Waldorf, MD

Mrs. Lynette Gassop,
Occupational Therapist
Medicare: Not Enrolled in Medicare
Practice Location: 10433 Silvervine Ct, Waldorf, MD 20603
Phone: 301-638-9704    
Mrs. Simone Amanda Okoro, OTR/L
Occupational Therapist
Medicare: Not Enrolled in Medicare
Practice Location: 4140 Old Washington Rd, Waldorf, MD 20602
Phone: 301-645-2813    Fax: 301-645-9317
Shayla Kirondi Moore, OTR/L
Occupational Therapist
Medicare: Not Enrolled in Medicare
Practice Location: 10713 Sourwood Ave, Waldorf, MD 20603
Phone: 240-475-2658    
Mrs. Maureen Tschiegg, OTR/L
Occupational Therapist
Medicare: Not Enrolled in Medicare
Practice Location: 6580 Prairie Dog Ct, Waldorf, MD 20603
Phone: 240-606-4834    
Taylor Yenko,
Occupational Therapist
Medicare: Not Enrolled in Medicare
Practice Location: 2505 Hatteras Cir, Waldorf, MD 20601
Phone: 412-804-1077    
Miss Keisha Michelle Lewis, OTR/L, CDE
Occupational Therapist
Medicare: Medicare Enrolled
Practice Location: 3328 Fordington Pl, Waldorf, MD 20603
Phone: 803-840-3312    
Mr. Frank Digiovannantonio, CHT
Occupational Therapist
Medicare: Accepting Medicare Assignments
Practice Location: 10 Saint Patricks Dr, Suite 401, Waldorf, MD 20603
Phone: 301-870-7366    Fax: 301-870-6717

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.