William Gallagher, MD - Medicare Family Practice in Colmar Manor, MD

William Gallagher, MD is a medicare enrolled "Family Medicine" physician in Colmar Manor, Maryland. He went to Temple University School Of Medicine and graduated in 1993 and has 31 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Medstar Medical Group Ii Llc and his current practice location is 4151 Bladensburg Rd, Colmar Manor, Maryland. You can reach out to his office (for appointments etc.) via phone at (301) 699-7700.

William Gallagher is licensed to practice in Maryland (license number D47141) 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 1437187648.

Contact Information

William Gallagher, MD
4151 Bladensburg Rd,
Colmar Manor, MD 20722-1928
(301) 699-7700
(301) 779-9001

Map and Direction




Physician's Profile

Full NameWilliam Gallagher
GenderMale
SpecialityFamily Practice
Experience31 Years
Location4151 Bladensburg Rd, Colmar Manor, 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:
  • William Gallagher attended and graduated from Temple University School Of Medicine in 1993
  NPI Data:
  • NPI Number: 1437187648
  • Provider Enumeration Date: 06/28/2006
  • Last Update Date: 10/22/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 8729253315
  • Enrollment ID: I20111209000265

Medical Identifiers

Medical identifiers for William Gallagher such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1437187648NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine D47141 (Maryland)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Medstar Washington Hospital CenterWashington, DCHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Medstar Medical Group Ii Llc05474138251790

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. William Gallagher allows following entities to bill medicare on his behalf.
Entity NameMedstar Medical Group Ii Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1184046187
PECOS PAC ID: 0547413825
Enrollment ID: O20130117000415

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. William Gallagher 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
William Gallagher, MD
1150 Varnum St Ne,
Washington, DC 20017

Ph: (202) 269-7000
William Gallagher, MD
4151 Bladensburg Rd,
Colmar Manor, MD 20722-1928

Ph: (301) 699-7700

Reviews and Comments


Family Medicine Doctors in Colmar Manor, MD

Courtney B Spensley, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 4151 Bladensburg Rd, Colmar Manor, MD 20722
Phone: 301-699-7700    
Mia E Riley, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 4151 Bladensburg Rd, Colmar Manor, MD 20722
Phone: 301-699-7707    
Dr. Douglas Biron Kamerow, M.D.
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 4151 Bladensburg Rd, Ft Lincoln Family Medicine Center, Colmar Manor, MD 20722
Phone: 301-699-7700    
Dr. Jamie Lynn Hill-daniel, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 4151 Bladensburg Rd, Colmar Manor, MD 20722
Phone: 301-699-7700    Fax: 301-779-9001
Diana Rubio, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 4151 Bladensburg Rd, Colmar Manor, MD 20722
Phone: 301-699-7700    
Dr. John Axford Roegner, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 4151 Bladensburg Rd, Colmar Manor, MD 20722
Phone: 301-699-7700    Fax: 301-779-9001

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.