Doctor profile · Federal record

Dr. Catherine Marshall, MD

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

  • NPI 1134443948
  • MIPS 75.0 / 100 · 2023
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
201 N Broadway St
Baltimore, MD 212870031
(410) 955-0239
fax (410) 367-2668
Mailing address
201 N Broadway St Ste 9131
Baltimore, MD 212870031

Credentials & registration

NPPES · NUCC
NPI registered
March 2010 — 16 yrs on file
Profile last updated
April 20, 2021
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
Maryland #D0080261

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134443948. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,233
Distinct HCPCS
9
Medicare allowed
$174,890
HCPCS Description Services Patients Avg allowed
J9217 Leuprolide acetate (for depot suspension), 7.5 mg 639 64 $171
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle 201 67 $37
99214 Established patient office or other outpatient visit, 30-39 minutes 104 68 $127
99215 Established patient office or other outpatient visit, 40-54 minutes 98 54 $189
99215 Established patient office or other outpatient visit, 40-54 minutes 81 53 $150
99214 Established patient office or other outpatient visit, 30-39 minutes 60 42 $102
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 23 11 $126
99205 New patient office or other outpatient visit, 60-74 minutes 14 14 $192
99205 New patient office or other outpatient visit, 60-74 minutes 13 13 $216

In context: peer comparison

Among 37 peers in Baltimore Medical Oncology Physician, average services per provider: 1,726. This provider delivers 0.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
344
Patients
43
Total drug cost
$878,147
Drug Type Claims Patients Total cost
Abiraterone Acetate Generic 136 21 $327,750
Prednisone Generic 102 22 $855
Dexamethasone Generic 33 0 $186
Xtandi (Enzalutamide) Brand 26 0 $148,323
Nubeqa (Darolutamide) Brand 19 0 $237,783
Bicalutamide Generic 16 0 $280
Erleada (Apalutamide) Brand 12 0 $162,970

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Catherine Marshall's medical specialty?
Dr. Catherine Marshall practices Medical Oncology Physician in Baltimore, MD.
Where does Dr. Catherine Marshall practice?
Dr. Catherine Marshall practices at 201 N Broadway St, Baltimore, MD 212870031. Office phone: 4109550239.
What is Dr. Catherine Marshall's NPI?
Dr. Catherine Marshall's National Provider Identifier (NPI) is 1134443948, issued by NPPES.
Does Dr. Catherine Marshall accept Medicare assignment?
Dr. Catherine Marshall does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Catherine Marshall commonly perform?
Top Medicare-reported procedures in 2023: Leuprolide acetate (for depot suspension), 7.5 mg (HCPCS J9217); Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle (HCPCS 96402); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.