Dr Mark Mendel Sklar, MD - Medicare Endocrinology in Washington, DC

Dr Mark Mendel Sklar, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in Washington, District Of Columbia. He went to Boston University School Of Medicine and graduated in 1984 and has 41 years of diverse experience with area of expertise as Endocrinology. His current practice location is 3 Washington Cir Nw, Ste 303, Washington, District Of Columbia. You can reach out to his office (for appointments etc.) via phone at (202) 887-4769.

Dr Mark Mendel Sklar is licensed to practice in District Of Columbia (license number MD18512) and he also participates in the medicare program. He may accept medicare assignments (which means he may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and his NPI Number is 1720083223.

Contact Information

Dr Mark Mendel Sklar, MD
3 Washington Cir Nw, Ste 303,
Washington, DC 20037-2311
(202) 887-4769
(202) 223-2552

Map and Direction




Physician's Profile

Full NameDr Mark Mendel Sklar
GenderMale
SpecialityEndocrinology
Experience41 Years
Location3 Washington Cir Nw, Washington, District Of Columbia
Accepts Medicare AssignmentsMay be. He may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Mark Mendel Sklar attended and graduated from Boston University School Of Medicine in 1984
  NPI Data:
  • NPI Number: 1720083223
  • Provider Enumeration Date: 06/20/2005
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 8224017256
  • Enrollment ID: I20040714001211

Medical Identifiers

Medical identifiers for Dr Mark Mendel Sklar such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1720083223NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism MD18512 (District Of Columbia)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Virginia Hospital CenterArlington, VAHospital
Sibley Memorial HospitalWashington, DCHospital

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 Mark Mendel Sklar allows following entities to bill medicare on his behalf.
Entity NameMark M. Sklar, M.d., Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073097028
PECOS PAC ID: 4688911134
Enrollment ID: O20190114002744

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 Mark Mendel Sklar 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 Mark Mendel Sklar, MD
8101 Falstaff Rd,
Mc Lean, VA 22102-2730

Ph: (703) 893-0962
Dr Mark Mendel Sklar, MD
3 Washington Cir Nw, Ste 303,
Washington, DC 20037-2311

Ph: (202) 887-4769

Reviews and Comments


Internal Medicine Doctors in Washington, DC

Dr. Adefolaju Oketokun, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 1629 K Street Nw, Suite 300, Washington, DC 20006
Phone: 202-636-1360    Fax: 202-636-5137
Dr. Uzoamaka Theodora Nwaogwugwu, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 2041 Georgia Avenue Nw, Washington, DC 20060
Phone: 202-865-7677    
Ms. Sruthi Nukalapati Reddy, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 3800 Reservoir Road Nw, 6 Phc, Washington, DC 20007
Phone: 202-444-8123    
Dr. Kaustubh Subhash Yadwadkar, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 3800 Reservoir Rd Nw, Cg201, Washington, DC 20007
Phone: 304-206-7595    
Dr. Monica Vohra, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 1525 7th St Nw, Washington, DC 20001
Phone: 202-386-7020    Fax: 202-265-1970
Anteneh A Tesfaye, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 110 Irving St Nw Ste C2151, Washington, DC 20010
Phone: 202-877-6998    Fax: 202-877-8909
Erica Nakajima,
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 5255 Loughboro Rd Nw Fl 1, Washington, DC 20016
Phone: 202-660-6500    

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.