Doctor profile · Federal record

Dr. Mara Chambers, MD

Hematology & Oncology Physician (CMS: Medical Oncology) · Internal Medicine Physician · Medical Oncology Physician · Lexington, KY

  • NPI 1639180680
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 33 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
740 S Limestone
Lexington, KY 405360001
(859) 323-5661
Mailing address
2333 Alumni Park Plz, Suite 200
Lexington, KY 405174012

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
December 10, 2012
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Kentucky #31021
Medicaid
KY #64310212

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639180680. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
293
Distinct HCPCS
6
Medicare allowed
$35,350
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 120 79 $94
99215 Established patient office or other outpatient visit, 40-54 minutes 110 43 $136
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 18 18 $125
99204 New patient office or other outpatient visit, 45-59 minutes 17 17 $128
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 15 15 $167
99205 New patient office or other outpatient visit, 60-74 minutes 13 13 $174

In context: peer comparison

Among 8 peers in Lexington Hematology & Oncology Physician, average services per provider: 67. This provider delivers 4.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$26
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 1 $25.95

By nature of payment

Education
$26

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
878
Patients
236
Total drug cost
$558,712
Drug Type Claims Patients Total cost
Anastrozole Generic 403 133 $14,917
Letrozole Generic 94 27 $3,843
Prochlorperazine Maleate Generic 49 29 $773
Exemestane Generic 42 11 $11,330
Ibrance (Palbociclib) Brand 35 0 $521,156
Oxycodone Hcl Generic 32 0 $800
Potassium Chloride Generic 32 0 $480
Ondansetron Hcl Generic 31 14 $430
Gabapentin Generic 29 11 $247
Morphine Sulfate ER (Morphine Sulfate) Brand 29 0 $600

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mara Chambers's medical specialty?
Dr. Mara Chambers practices Hematology & Oncology Physician in Lexington, KY.
Where does Dr. Mara Chambers practice?
Dr. Mara Chambers practices at 740 S Limestone, Lexington, KY 405360001. Office phone: 8593235661.
What is Dr. Mara Chambers's NPI?
Dr. Mara Chambers's National Provider Identifier (NPI) is 1639180680, issued by NPPES.
Does Dr. Mara Chambers accept Medicare assignment?
Yes. Dr. Mara Chambers accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mara Chambers commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.