Doctor profile · Federal record

Dr. Kristen Marrone, M.D.

Internal Medicine Physician (CMS: Medical Oncology) · Baltimore, MD

  • NPI 1780973271
  • MIPS 74.4 / 100 · 2023
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1650 Orleans St, Crb 1 Rm 186
Baltimore, MD 212870013
(410) 955-8893

Credentials & registration

NPPES · NUCC
NPI registered
April 2011 — 15 yrs on file
Profile last updated
August 26, 2015
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Maryland #D77603

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780973271. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
237
Distinct HCPCS
7
Medicare allowed
$29,967
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 75 41 $152
99214 Established patient office or other outpatient visit, 30-39 minutes 56 35 $103
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 38 13 $126
99214 Established patient office or other outpatient visit, 30-39 minutes 23 16 $100
99213 Established patient office or other outpatient visit, 20-29 minutes 19 16 $70
99205 New patient office or other outpatient visit, 60-74 minutes 14 14 $192
99215 Established patient office or other outpatient visit, 40-54 minutes 12 11 $141

In context: peer comparison

Among 363 peers in Baltimore Internal Medicine Physician, average services per provider: 105. This provider delivers 2.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17,554
Transactions
17
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Daiichi Sankyo INC. 2 $6,981.10
Regeneron Pharmaceuticals, INC. 12 $6,065.08
E.R. Squibb & Sons, L.L.C. 1 $2,400.00
AstraZeneca Uk Limited 1 $1,995.00
AstraZeneca Pharmaceuticals Lp 1 $112.45

By nature of payment

Consulting Fee
$15,758
Food and Beverage
$1,184
Travel and Lodging
$612

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
39
Patients
14
Total drug cost
$275,936
Drug Type Claims Patients Total cost
Prochlorperazine Maleate Generic 23 14 $211
Tagrisso (Osimertinib Mesylate) Brand 16 0 $275,725

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kristen Marrone's medical specialty?
Dr. Kristen Marrone practices Internal Medicine Physician in Baltimore, MD.
Where does Dr. Kristen Marrone practice?
Dr. Kristen Marrone practices at 1650 Orleans St, Baltimore, MD 212870013. Office phone: 4109558893.
What is Dr. Kristen Marrone's NPI?
Dr. Kristen Marrone's National Provider Identifier (NPI) is 1780973271, issued by NPPES.
Does Dr. Kristen Marrone accept Medicare assignment?
Dr. Kristen Marrone does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Kristen Marrone commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.