John Lafleur, MD - Medicare Emergency Medicine in Washington, DC

John Lafleur, MD is a medicare enrolled "Emergency Medicine" physician in Washington, District Of Columbia. He went to State University Of New York At Buffalo School Of Medicine and graduated in 1991 and has 33 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice George Washington University Medical Faculty Associates and his current practice location is 900 23rd St Nw, Washington, District Of Columbia. You can reach out to his office (for appointments etc.) via phone at (202) 741-2911.

John Lafleur is licensed to practice in District Of Columbia (license number MD044234) 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 1992719108.

Contact Information

John Lafleur, MD
900 23rd St Nw,
Washington, DC 20037-2342
(202) 741-2911
(202) 741-2921

Map and Direction




Physician's Profile

Full NameJohn Lafleur
GenderMale
SpecialityEmergency Medicine
Experience33 Years
Location900 23rd St Nw, Washington, District Of Columbia
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:
  • John Lafleur attended and graduated from State University Of New York At Buffalo School Of Medicine in 1991
  NPI Data:
  • NPI Number: 1992719108
  • Provider Enumeration Date: 07/27/2006
  • Last Update Date: 06/22/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 7719947019
  • Enrollment ID: I20160830001772

Medical Identifiers

Medical identifiers for John Lafleur such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1992719108NPI-NPPES
03/10/2008OtherRIBCBS
7057308MedicaidRI
939025129OtherRIRI MEDICARE GROUP NUMBER
01-27-2009OtherMATUFTS HEALTH PLAN
04-15-2009OtherRIUNITED HEALTHCARE
1992719108OtherRINPI
08-14-2008OtherRINHPRI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine MD044234 (District Of Columbia)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
George Washington Univ HospitalWashington, DCHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
George Washington University Medical Faculty Associates4082528898634

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. John Lafleur allows following entities to bill medicare on his behalf.
Entity NameMedical Faculty Associates, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1417990581
PECOS PAC ID: 4082528898
Enrollment ID: O20031117000341

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. John Lafleur 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
John Lafleur, MD
900 23rd St Nw,
Washington, DC 20037-2342

Ph: () -
John Lafleur, MD
900 23rd St Nw,
Washington, DC 20037-2342

Ph: (202) 741-2911

Reviews and Comments


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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.