Elizabeth Kilmer Pfaffenroth, M.D.
Hematology & Oncology Physician · Largo, MD
Elizabeth Kilmer Pfaffenroth, M.D. is a hematology & oncology physician with a practice address in Largo, Maryland, and NPI 1548426927, issued on Aug 5, 2008. Check the license (Maryland D0068056, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Elizabeth Kilmer Pfaffenroth
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- D0068056 MD
MD037661 DC
MD418900 PA
0101244356 VA
Self-reported in NPPES; status is on the state search - Practice location
- 1221 Mercantile LN, Largo, MD 20774
- Phone
- (301) 618-5500
- Enumerated
- Aug 5, 2008
- Record last updated
- Jun 11, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20091201000566); accepts Medicare assignment
- Medical or professional school
- Vanderbilt University School Of Medicine, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 317 in Maryland → Look up another NPI →
Also registered at 1221 Mercantile LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cheryl Abbott, RN,BSN,CM-CCase Management Registered Nurse1366743122
- Grace AdumanisaResearch Study Specialist1104663145
- Cielito Aguinaldo, MDInternal Medicine Physician1063585347
- Elma Alston, LCSW-CClinical Social Worker1629300488
- Bridget AnyiwoPharmacist1326228529
- Brian Armstrong, MDOphthalmology Physician1285781179
Verify Elizabeth Kilmer Pfaffenroth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0068056Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average hematology & oncology physician in 2024
2,355 Medicare Part D claims for 380 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 112 claims were for opioids.
Most prescribed
- Anastrozole288 claims
- Abiraterone Acetate182 claims
- Prednisone156 claims
- Dexamethasone150 claims
- Gabapentin98 claims
- Lenalidomide96 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF The Mid Atlantic States, IncLargo, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elizabeth Kilmer Pfaffenroth among 317 hematology & oncology physician records in Maryland
Elizabeth Kilmer Pfaffenroth, M.D. is one of 317 hematology & oncology physician records with a practice address in Maryland. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 37% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1999 · median 2000 among the 185 with a school on file
- Record last updated2021 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Maryland
There are 317 hematology & oncology physician records in Maryland.
All 317 in Maryland → Every provider in Largo → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Bogdan Dumitriu, MDUpper Marlboro, MD 207741386819753
- Monica PeravaliUpper Marlboro, MD 207741629464904
- Paul SacksteinUpper Marlboro, MD 207741639639792
- Nitin Verma, MDLargo, MD 207741649351859
- Sajeev Anand, M.D.Greenbelt, MD 207701194816017
- Thomas Bensinger, M.D.Greenbelt, MD 207701962405985
- Ari Fishman, M.D.Greenbelt, MD 207701407963036
- Modupe Obadina, M.D.Greenbelt, MD 207701649253485
Common questions
What is Elizabeth Kilmer Pfaffenroth, M.D.'s NPI number?
Elizabeth Kilmer Pfaffenroth, M.D.'s National Provider Identifier (NPI) is 1548426927, issued on Aug 5, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Kilmer Pfaffenroth, M.D. located?
The NPPES record lists a practice address at 1221 Mercantile LN, Largo, MD, 20774. Phone: (301) 618-5500. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Kilmer Pfaffenroth, M.D.'s license?
NPPES lists Maryland license number D0068056, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Elizabeth Kilmer Pfaffenroth, M.D. prescribe under Medicare Part D?
In 2024, Elizabeth Kilmer Pfaffenroth, M.D. had 2,355 Medicare Part D claims for 380 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.