Deborah K. Armstrong, M.D.
Medical Oncology Physician · Lutherville, MD
Deborah K. Armstrong, M.D. is a medical oncology physician with a practice address in Lutherville, Maryland, and NPI 1437113255, issued on Apr 17, 2006. Check the license (Maryland D36986, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Deborah K. Armstrong
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- D36986 MD
Self-reported in NPPES; status is on the state search - Practice location
- 10755 Falls RD, Lutherville, MD 21093
- Phone
- (410) 583-2970
- Enumerated
- Apr 17, 2006
- Record last updated
- Feb 1, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid ID
- 531821100 MD
- Medicare enrollment
- Enrolled (PECOS I20100907000302); may accept Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 1984
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 10755 Falls RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Modupe Agueh McCracken, M.D., MPHObstetrics & Gynecology Physician1497998819
- Charles Angell, M.D.Cardiovascular Disease Physician1881695989
- John Aucott, M.D.Internal Medicine Physician1578564233
- Paul Auwaerter, M.D.Infectious Disease Physician1083679849
- Peter Belitsos, M.D.Gastroenterology Physician1619978871
- Allan Belzberg, M.D.Neurological Surgery Physician1124083340
Verify Deborah K. Armstrong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D36986Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average medical oncology physician in 2024
84 Medicare Part D claims for 20 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D.
Most prescribed
- Anastrozole34 claims
- Lorazepam16 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 74.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $3,870.00
4 payments; by number, the most common kind was consulting fee; the largest payer was GlaxoSmithKline, LLC. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Johns Hopkins UniversityBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Medical Oncology Physician providers in Maryland
There are 224 medical oncology physician records in Maryland.
Other medical oncology physician records in Maryland
- Jeffrey Abrams, M.DClarksville, MD1598035248
- Richard Ambinder, M.D.Baltimore, MD1528022407
- Amir Ameri, MDBaltimore, MD1164089843
- Valsamo Anagnostou, MD-PHDBaltimore, MD1821314030
- Christina Annunziata, M.D., PH.D.Bethesda, MD1093084139
- Mary Armanios, M.D.Baltimore, MD1588628390
- Kekule AsgariSilver Spring, MD1568927911
- Nilofer Azad, MDBaltimore, MD1568635712
- Ashraf Badros, M.D.Baltimore, MD1821038241
- Marina Baretti, MDBaltimore, MD1386100469
Common questions
What is Deborah K. Armstrong, M.D.'s NPI number?
Deborah K. Armstrong, M.D.'s National Provider Identifier (NPI) is 1437113255, issued on Apr 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Deborah K. Armstrong, M.D. located?
The NPPES record lists a practice address at 10755 Falls RD, Lutherville, MD, 21093. Phone: (410) 583-2970. Providers update this record themselves, so call before visiting.
How can I verify Deborah K. Armstrong, M.D.'s license?
NPPES lists Maryland license number D36986, 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 Deborah K. Armstrong, M.D. prescribe under Medicare Part D?
In 2024, Deborah K. Armstrong, M.D. had 84 Medicare Part D claims for 20 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is Deborah K. Armstrong, M.D.'s MIPS final score?
The 2023 MIPS final score is 74.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.