Dr Mark Hathaway, MD - Medicare Obstetrics & Gynecology in Washington, DC

Dr Mark Hathaway, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Washington, District Of Columbia. His current practice location is 110 Irving St Nw, Suite 5b-33, Washington, District Of Columbia. You can reach out to his office (for appointments etc.) via phone at (202) 877-7028.

Dr Mark Hathaway is licensed to practice in District Of Columbia (license number MD21559) 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 1720068133.

Contact Information

Dr Mark Hathaway, MD
110 Irving St Nw, Suite 5b-33,
Washington, DC 20010-2976
(202) 877-7028
Not Available

Map and Direction




Physician's Profile

Full NameDr Mark Hathaway
GenderMale
SpecialityObstetrics & Gynecology
Location110 Irving St Nw, Washington, District Of Columbia
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1720068133
  • Provider Enumeration Date: 01/20/2006
  • Last Update Date: 03/07/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 5890832133
  • Enrollment ID: I20091020000117

Medical Identifiers

Medical identifiers for Dr Mark Hathaway such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1720068133NPI-NPPES
025687900MedicaidDC
759210800MedicaidDC

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology MD21559 (District Of Columbia)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 Mark Hathaway allows following entities to bill medicare on his behalf.
Entity NameUnity Health Care Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093894172
PECOS PAC ID: 3476647264
Enrollment ID: O20071024000456
Entity NameFemhealth Usa Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1578960548
PECOS PAC ID: 1254659204
Enrollment ID: O20150423000902

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 Hathaway 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 Hathaway, MD
Po Box 418498,
Boston, MA 02241-8498

Ph: (703) 558-1544
Dr Mark Hathaway, MD
110 Irving St Nw, Suite 5b-33,
Washington, DC 20010-2976

Ph: (202) 877-7028

Reviews and Comments


Obstetrics & Gynecology Doctors in Washington, DC

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Dr. Edward James Tanner Iii, M.D.
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Dr. Richard J. Beckerman, M.D.
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Practice Location: 5215 Loughboro Rd Nw, Suite 500, Washington, DC 20016
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Kimberly Suzanne Moon, MD
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Medicare: Not Enrolled in Medicare
Practice Location: 2021 K St Nw, Suite 701, Washington, DC 20006
Phone: 202-296-2595    Fax: 202-296-2835

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.