Mara Deon Chambers, MD
Hematology & Oncology Physician · Lexington, KY
Mara Deon Chambers, MD is a hematology & oncology physician with a practice address in Lexington, Kentucky, and NPI 1639180680, issued on Aug 11, 2006. Check the license (Kentucky 31021, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Mara Deon Chambers
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 31021 KY
Self-reported in NPPES; status is on the state search - Practice location
- 740 S Limestone, Lexington, KY 40536
- Phone
- (859) 323-5661
- Enumerated
- Aug 11, 2006
- Record last updated
- Dec 10, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 64310212 KY
- Medicare enrollment
- Enrolled (PECOS I20050922000452); accepts Medicare assignment
- Medical or professional school
- University Of Louisville School Of Medicine, 1993
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 152 in Kentucky → Look up another NPI →
Also registered at 740 S Limestone
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mara Deon Chambers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 31021Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,135 Medicare Part D claims for 252 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 81 claims were for opioids.
Most prescribed
- Anastrozole493 claims
- Letrozole125 claims
- Ibrance31 claims
- Prochlorperazine Maleate30 claims
- Exemestane29 claims
- Verzenio25 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): 100 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: $25.95
1 payment: education; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,560 providers of this specialty with any payment received $7,481.41 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
- Kentucky Medical Services Foundation, IncLexington, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mara Deon Chambers among 152 hematology & oncology physician records in Kentucky
Mara Deon Chambers, MD is one of 152 hematology & oncology physician records with a practice address in Kentucky. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 18% of them.
- NPI issued2006 · 18% of these records are older, 51% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1993 · median 2004 among the 117 with a school on file
- Record last updated2012 · 65% 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 Kentucky 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 Kentucky
There are 152 hematology & oncology physician records in Kentucky.
All 152 in Kentucky → Every provider in Lexington → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Christopher Burkeen, MDLexington, KY 405361225490253
- Roger Fleischman, MDLexington, KY 405361902815814
- John Hayslip, M.D.Lexington, KY 405361831286871
- Chaitanya Iragavarapu, MBBSLexington, KY 405361770837270
- Justin KusielLexington, KY 405361669055067
- Snigdha Nutalapati, MDLexington, KY 405361912350042
- Deepali Pandey, MBBSLexington, KY 405361003268392
- Ayman Qasrawi, M.D.Lexington, KY 405361578940680
Common questions
What is Mara Deon Chambers, MD's NPI number?
Mara Deon Chambers, MD's National Provider Identifier (NPI) is 1639180680, issued on Aug 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mara Deon Chambers, MD located?
The NPPES record lists a practice address at 740 S Limestone, Lexington, KY, 40536. Phone: (859) 323-5661. Providers update this record themselves, so call before visiting.
How can I verify Mara Deon Chambers, MD's license?
NPPES lists Kentucky license number 31021, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mara Deon Chambers, MD prescribe under Medicare Part D?
In 2024, Mara Deon Chambers, MD had 1,135 Medicare Part D claims for 252 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Mara Deon Chambers, MD's MIPS final score?
The 2023 MIPS final score is 100 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.