Dr Karen M Dixon, MD - Medicare Emergency Medicine in Largo, MD

Dr Karen M Dixon, MD is a medicare enrolled "Emergency Medicine" physician in Largo, Maryland. Her current practice location is 1221 Mercantile Ln, Kaiser Permanente Largo Medical Center, Largo, Maryland. You can reach out to her office (for appointments etc.) via phone at (301) 618-5500.

Dr Karen M Dixon is licensed to practice in Maryland (license number D63171) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1932135761.

Contact Information

Dr Karen M Dixon, MD
1221 Mercantile Ln, Kaiser Permanente Largo Medical Center,
Largo, MD 20774-5374
(301) 618-5500
Not Available

Map and Direction




Physician's Profile

Full NameDr Karen M Dixon
GenderFemale
SpecialityEmergency Medicine
Location1221 Mercantile Ln, Largo, Maryland
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1932135761
  • Provider Enumeration Date: 06/23/2006
  • Last Update Date: 03/19/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 9638148414
  • Enrollment ID: I20040928001245

Medical Identifiers

Medical identifiers for Dr Karen M Dixon such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1932135761NPI-NPPES
036757300MedicaidDC
407964700MedicaidMD
76881001OtherMDBLUE SHIELD
H9140014OtherDCBLUE SHIELD

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine D63171 (Maryland)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 Karen M Dixon allows following entities to bill medicare on her behalf.
Entity NameInova Health Care Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952320061
PECOS PAC ID: 2466351093
Enrollment ID: O20040102000644
Entity NameMep Health Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1164483558
PECOS PAC ID: 5193610319
Enrollment ID: O20040217000863
Entity NameGreater Washington Emergency Physicians Chartered
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346389988
PECOS PAC ID: 5193718864
Enrollment ID: O20040407001118
Entity NameAlexandria Springfield Emergency Physicians Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740529700
PECOS PAC ID: 1052558954
Enrollment ID: O20130514000155

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 Karen M Dixon 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 Karen M Dixon, MD
2101 E Jefferson St, Kaiser Permanente Medicare Enrollment,
Rockville, MD 20852-4908

Ph: (301) 816-2424
Dr Karen M Dixon, MD
1221 Mercantile Ln, Kaiser Permanente Largo Medical Center,
Largo, MD 20774-5374

Ph: (301) 618-5500

Reviews and Comments


Emergency Medicine Doctors in Largo, MD

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Dr. Dwayne Thompson, M.D.
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Abhinav Gupta, MD
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Dr. Heather Hollowell Davis, MD
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Practice Location: 1221 Mercantile Ln, Largo, MD 20774
Phone: 301-938-3488    

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.