Dr Elizabeth Kilmer Pfaffenroth, MD - Medicare Internal Medicine in Largo, MD

Dr Elizabeth Kilmer Pfaffenroth, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Largo, Maryland. She went to Vanderbilt University School Of Medicine and graduated in 1999 and has 25 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Kaiser Foundation Health Plan Of The Mid-atlantic States, Inc and her current practice location is 1221 Mercantile Ln, Kaiser Permanente, Largo, Maryland. You can reach out to her office (for appointments etc.) via phone at (301) 618-5500.

Dr Elizabeth Kilmer Pfaffenroth is licensed to practice in Maryland (license number D0068056) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1548426927.

Contact Information

Dr Elizabeth Kilmer Pfaffenroth, MD
1221 Mercantile Ln, Kaiser Permanente,
Largo, MD 20774-5374
(301) 618-5500
Not Available

Map and Direction




Physician's Profile

Full NameDr Elizabeth Kilmer Pfaffenroth
GenderFemale
SpecialityInternal Medicine
Experience25 Years
Location1221 Mercantile Ln, Largo, Maryland
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Elizabeth Kilmer Pfaffenroth attended and graduated from Vanderbilt University School Of Medicine in 1999
  NPI Data:
  • NPI Number: 1548426927
  • Provider Enumeration Date: 08/05/2008
  • Last Update Date: 06/11/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 2860531076
  • Enrollment ID: I20091201000566

Medical Identifiers

Medical identifiers for Dr Elizabeth Kilmer Pfaffenroth such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1548426927NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology MD037661 (District Of Columbia)Secondary
207RH0003XInternal Medicine - Hematology & Oncology 0101244356 (Virginia)Secondary
207RH0003XInternal Medicine - Hematology & Oncology MD418900 (Pennsylvania)Secondary
207RH0003XInternal Medicine - Hematology & Oncology D0068056 (Maryland)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Kaiser Foundation Health Plan Of The Mid-atlantic States, Inc37794958581628

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 Elizabeth Kilmer Pfaffenroth allows following entities to bill medicare on her behalf.
Entity NameKaiser Foundation Health Plan Of The Mid-atlantic States, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952461816
PECOS PAC ID: 3779495858
Enrollment ID: O20040105000308

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 Elizabeth Kilmer Pfaffenroth 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 Elizabeth Kilmer Pfaffenroth, MD
1221 Mercantile Ln, Kaiser Permanente,
Largo, MD 20774-5374

Ph: (301) 618-5500
Dr Elizabeth Kilmer Pfaffenroth, MD
1221 Mercantile Ln, Kaiser Permanente,
Largo, MD 20774-5374

Ph: (301) 618-5500

Reviews and Comments


Internal Medicine Doctors in Largo, MD

Dr. Lynn Anetta Thomas, MD
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 1221 Mercantile Ln, Kaiser Permanente Largo Medical Center, Largo, MD 20774
Phone: 301-618-5500    
Dr. Rupa Allam Varma, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 1221 Mercantile Avenue, Largo, MD 20774
Phone: 301-618-5500    Fax: 301-618-5673
Dr. Doreen Blake, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 1450 Mercantile Ln, Suite 111, Largo, MD 20774
Phone: 301-925-7610    
Dr. Nancy Fleurancois, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 1221 Mercantile Ln Ste 102, Largo, MD 20774
Phone: 301-368-1500    
Dr. Cielito M Aguinaldo, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 1221 Mercantile Ln, Kaiser Permanente Largo Medical Center, Largo, MD 20774
Phone: 301-618-5500    
Dr. Surendra M Kumar, M.D.
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 1100 Mercantile Ln, Ste 135, Largo, MD 20774
Phone: 301-773-9700    
Dr. Jerry Wendell Mcconnell, M.D.
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 1221 Mercantile Lane, Largo, MD 20774
Phone: 301-618-5578    Fax: 301-618-5673

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).

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