Catherine Handy Marshall, MD

Medical Oncology Internal Medicine

Internal Medicine

Catherine Handy Marshall is a Medical Oncology Internal Medicine specialist based in Baltimore, MD with over 14 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

Also practices: INTERNAL MEDICINE

(410) 955-0239Baltimore, MD
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Patients across MD can see Catherine Handy Marshall, MD in person in Baltimore or via virtual visit — no travel required. A Johns Hopkins University School of Medicine graduate since 2012, she brings 14+ years of experience. CMS Medicare data shows her patients commonly have hypertension, cancer, and high cholesterol. CMS MIPS quality score: 75/100 (2023).

At a glance

  • Uses generic medications more than 23% of reporting doctors in Maryland
  • Federal MIPS score higher than 30% of MIPS-scored doctors in Maryland
  • Virtual visits available — no app or travel required
1 of 82 Internal Medicine providers in MDSee all Internal Medicine in Baltimore14+ years experienceNPI since 2010

Older · 1860dNPPES updated 2021-04-20 · verify NPI on CMS · Verify license at Maryland Board of Physicians

Contact & Location

Practice Location

201 N Broadway St, Baltimore, MD 21287-0031

Fax: (410) 367-2668
CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.

MIPS Score

2023

75/100

Maryland avg: 77.8 · US avg: 83.6

Lower than most doctors nationally(-8.6 pts)

How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.

Generic Rx

↑ Higher = better

80.4%

Maryland avg: 83.4 · US avg: 82.8

Lower than most doctors nationally(-2.4 pts)

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Medicare Patients

216

Unique beneficiaries

Standard volume

Prescription Recipients

62

Patients prescribed

Prescriptions Written

409

Total claims

Total Medicare drug cost: $1.02M

Percentile rankings compared against 2,391 reporting peers in Maryland.

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages Hypertension, Cancer, and High Cholesterol.

Hypertension
Higher than avg (+5%)75%

High blood pressure — a leading risk factor for heart disease and stroke

US avg: 70.2%

↑ More patients than average (+5%) — a focus area for this doctor

Cancer
Higher than avg (+54%)75%

Diseases involving abnormal cell growth with potential to spread to other body parts

US avg: 20.8%

↑ More patients than average (+54%) — a focus area for this doctor

High Cholesterol
Higher than avg (+2%)72%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↑ More patients than average (+2%) — a focus area for this doctor

Arthritis
Lower than avg (-9%)40%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-9%) — less common here

Ischemic Heart Disease
Higher than avg (+3%)35%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

US avg: 31.7%

↑ More patients than average (+3%) — a focus area for this doctor

Diabetes
Lower than avg (-8%)26%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↓ Fewer patients than average (-8%) — less common here

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

Patient Reviews

No patient reviews yet. If you've seen Catherine Handy Marshall, your feedback helps other patients.

Review PolicyAll feedback is moderated before publishing. We verify reviewer identity where possible and enforce a one-review-per-provider policy. Full guidelines →

Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 2012

    Johns Hopkins University School of Medicine

  2. Board certified · Apr 19, 2021

    Self-reported via NPPES

  3. 14 years in practice

    Established

Internal MedicineMedical Oncology in BaltimoreAllopathic & Osteopathic Physicians

Medical oncologists diagnose and treat cancer using chemotherapy, immunotherapy, targeted therapy, and hormone therapy. They coordinate care with surgical oncologists and radiation oncologists for comprehensive cancer treatment.

Taxonomy: 207RX0202X

Education & Training

Johns Hopkins University School of Medicine (Class of 2012)

Practice Footprint

Mailing address

201 N Broadway St Ste 9131, Baltimore, MD 21287-0031

Differs from practice location

Primary hospital affiliation: Acute Care Hospitals

CMS Certification Number: 500026

View hospital on Medicare Care Compare

Virtual Medical Oncology Care With Catherine Handy Marshall

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Catherine Handy Marshall for blood pressure monitoring, follow-up consultations, cholesterol management — no travel to Baltimore required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Catherine Handy Marshall

NPI records show Dr. Marshall as active with telehealth listed in Baltimore, MD. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (410) 955-0239.

Verified across 5 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.

Is this your profile?

Verify credentials, update practice details, and manage telehealth.

Claim Profile

Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

Related Providers

Medical Oncology Internal Medicine in Maryland

See all