Dr Patrick William Mason, MD - Medicare Pediatrics in Fairfax, VA

  1. Home
  2. Pediatrics
  3. VA
  4. Fairfax
Dr Patrick William Mason, MD is a medicare enrolled "Pediatrics - Pediatric Endocrinology" physician in Fairfax, Virginia. His current practice location is 3020 Hamaker Ct, Suite 502, Fairfax, Virginia. You can reach out to his office (for appointments etc.) via phone at (703) 849-8440.

Dr Patrick William Mason is licensed to practice in Virginia (license number 0101230973) 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 1144335308.

Contact Information

Dr Patrick William Mason, MD
3020 Hamaker Ct, Suite 502,
Fairfax, VA 22031-2238
(703) 849-8440
(703) 849-0032

Map and Direction




Physician's Profile

Full NameDr Patrick William Mason
GenderMale
SpecialityPediatrics - Pediatric Endocrinology
Location3020 Hamaker Ct, Fairfax, Virginia
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1144335308
  • Provider Enumeration Date: 08/20/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 1355494717
  • Enrollment ID: I20090803000029

Medical Identifiers

Medical identifiers for Dr Patrick William Mason such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1144335308NPI-NPPES
6720412MedicaidVA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2080P0205XPediatrics - Pediatric Endocrinology 0101230973 (Virginia)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. Dr Patrick William Mason allows following entities to bill medicare on his behalf.
Entity NamePediatric Specialists Of Virginia Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699119818
PECOS PAC ID: 7719110154
Enrollment ID: O20140509000026

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 Patrick William Mason 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 Patrick William Mason, MD
3020 Hamaker Ct, Suite 502,
Fairfax, VA 22031-2238

Ph: (703) 849-8440		Dr Patrick William Mason, MD
3020 Hamaker Ct, Suite 502,
Fairfax, VA 22031-2238

Ph: (703) 849-8440

Reviews and Comments


Pediatrics Doctors in Fairfax, VA

Ho Chung Tu, M.D.
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 3913 Old Lee Highway, Office No 31b, Fairfax, VA 22030
Phone: 703-359-0245    Fax: 928-436-3339
Dr. Lindsey Waldman,
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 3023 Hamaker Ct, Fairfax, VA 22031
Phone: 703-839-8797    
Dr. Laura E. Byrnes, M.D.
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 3650 Joseph Siewick Dr, Ste 101, Fairfax, VA 22033
Phone: 703-391-0900    Fax: 703-391-2919
Dr. Julie-ann M Crewalk, M.D.
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 2730-c Prosperity Avenue, Fairfax, VA 22031
Phone: 703-226-2280    Fax: 703-752-1713
Sandy L. Chung, M.D.
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 3650 Joseph Siewick Dr, Ste 101, Fairfax, VA 22033
Phone: 703-391-0900    Fax: 703-391-2919
Dr. James R Baugh, M.D.
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 3020 Hamaker Ct, Suite 200, Fairfax, VA 22031
Phone: 703-573-2432    Fax: 703-280-9350
Benjamin Isaac Enav, M.D.
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 2700 Prosperity Ave, Suite 260, Fairfax, VA 22031
Phone: 571-314-0444    Fax: 855-237-3628

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.