Dr Stephen Ong, MD - Medicare Family Practice in Oxon Hill, MD

Dr Stephen Ong, MD is a medicare enrolled "Family Medicine" physician in Oxon Hill, Maryland. He graduated from medical school in 1970 and has 54 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Greater Washington Medicenter Llc. T/a Healthcare Of Greater Washingto and his current practice location is 6357 Oxon Hill Rd, Oxon Hill, Maryland. You can reach out to his office (for appointments etc.) via phone at (301) 839-2700.

Dr Stephen Ong is licensed to practice in Maryland (license number D014760) 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 1851479281.

Contact Information

Dr Stephen Ong, MD
6357 Oxon Hill Rd,
Oxon Hill, MD 20745-2214
(301) 839-2700
(301) 839-1354

Map and Direction




Physician's Profile

Full NameDr Stephen Ong
GenderMale
SpecialityFamily Practice
Experience54 Years
Location6357 Oxon Hill Rd, Oxon Hill, 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:
  • Dr Stephen Ong graduated from medical school in 1970
  NPI Data:
  • NPI Number: 1851479281
  • Provider Enumeration Date: 11/02/2006
  • Last Update Date: 05/10/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 1254492556
  • Enrollment ID: I20101209000576

Medical Identifiers

Medical identifiers for Dr Stephen Ong such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1851479281NPI-NPPES
000Z87G33OtherMDMEDICARE PROVIDER NUMBER

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208600000XSurgery MD6423 (District Of Columbia)Secondary
207Q00000XFamily Medicine D014760 (Maryland)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Adventist Home Health ServicesSilver spring, MDHome health agency

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Greater Washington Medicenter Llc. T/a Healthcare Of Greater Washingto60029773036

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 Stephen Ong allows following entities to bill medicare on his behalf.
Entity NameGreater Washington Medicenter Llc. T/a Healthcare Of Greater Washingto
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1366517013
PECOS PAC ID: 6002977303
Enrollment ID: O20081204000871

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 Stephen Ong 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 Stephen Ong, MD
6357 Oxon Hill Rd,
Oxon Hill, MD 20745-2214

Ph: (301) 839-2700
Dr Stephen Ong, MD
6357 Oxon Hill Rd,
Oxon Hill, MD 20745-2214

Ph: (301) 839-2700

Reviews and Comments


Family Medicine Doctors in Oxon Hill, MD

Dr. Jafar Nazemian,
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 6196 Oxon Hill Rd, Suite 250, Oxon Hill, MD 20745
Phone: 301-567-8880    Fax: 301-839-7026
Dr. Uchechi T Opaigbeogu, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 6188 Oxon Hill Road, Suite 701, Oxon Hill, MD 20745
Phone: 301-686-0067    Fax: 301-686-0479
Ms. Yasmin Zanjabil Ahmed, M.D
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 5620 Saint Barnabas Rd Ste 360, Oxon Hill, MD 20745
Phone: 240-766-4552    Fax: 240-766-4502
Richa Bhatnagar, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 221 American Way, Oxon Hill, MD 20745
Phone: 301-567-9100    Fax: 240-712-5052
Dr. Lakshmi Lavanya Marella, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 6710 Oxon Hill Rd Ste 200b, Oxon Hill, MD 20745
Phone: 301-373-7900    Fax: 301-373-6900
Priya Ponnaiyan, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 251 National Harbor Blvd Ste 500, Oxon Hill, MD 20745
Phone: 301-686-3404    Fax: 301-686-3407

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.