Physician Profile
Catherine H. Marshall, MD
Unclaimed ProfileAbout Dr. Marshall
Catherine H. Marshall, MD is a healthcare provider in Baltimore, MD specializing in medical oncology. Catherine trained at Johns Hopkins University School of Medicine, graduating in 2012. According to Medicare claims data, Catherine cared for 642 Medicare patients across 1,742 services. The services billed most often include leuprolide acetate (for depot suspension), 7.5 mg, administration of hormonal anti-neoplastic chemotherapy under skin or into muscle, and established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (410) 955-0239
- Email not available
Practice Locations
201 N BROADWAY ST
Baltimore, MD 21287
Conditions Commonly Evaluated or Treated
Within Medical Oncology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Anemia
- Blood clots
- Breast cancer
- Colon cancer
- Iron-deficiency anemia
- Leukemia
- Lung cancer
- Lymphoma
- Prostate cancer
Abdominal cancer
Blood cancer
Blood disorders
Cancer complications
Chest cancer
Complications
Digestive cancer
Digestive cancers
Endocrine cancer
Endocrine cancers
Eye cancer
General oncology
Genetic risk
Gynecologic cancer
Gynecologic cancers
Head and neck
Head and neck cancer
Metastatic cancer
Metastatic disease
Neurologic cancers
Sarcomas
Skin cancer
Symptom evaluation
Thoracic cancers
Treatment side effects
Urologic cancer
Urologic cancers
Procedures & services
Most searched procedures
Cancer treatment care
Complication management
Consultations
- Cancer survivorship care
- Integrative oncology consultation
- Post-cancer surveillance scan review
- Pre-Surgery Chemotherapy Consultation
- Preventative Chemotherapy Consultation
- Radiopharmaceutical therapy consultation
- Second Opinion For Cancer
- Stem cell transplant consultation
- Tumor Board Case Review
Diagnostic testing
Diagnostics
- Bone Marrow Biopsy
- Cancer Genetic Testing
- Pathology second opinion for cancer
- Tumor Biomarker Testing
Infusions
- Bone Strengthening Infusion
- Iron Infusion
- IV hydration for cancer patients
- Neurologic infusion treatment
Injections
Medication management
Patient education
Port and line care
Procedures
Specialized treatments
- Bladder instillation therapy
- Heated Chemotherapy Consultation
- Hepatic Artery Pump Chemotherapy Consultation
Specialty treatments
- Bone Strengthening Injections For Cancer
- CAR-T Therapy
- Chemo allergy desensitization
- Clinical Trial Screening
- Hormone Therapy For Cancer
- Spinal chemo injection
Supportive care
- Advance Care Planning For Cancer
- Cancer nutrition counseling
- Cancer pain management
- Cancer Rehabilitation Evaluation
- Cancer weight loss management
- Chemo brain treatment
- Chemo nausea treatment
- Cold cap therapy for hair loss
- Fertility Preservation for Teens Before Cancer Treatment
- Hospice care consultation
- Lymphedema evaluation
- Palliative cancer care
Treatment side effects
Vascular access
Procedures Most Often Billed to Medicare
1,742 services · 642 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle | Treatment | 96402 |
210 | More than most peers in Medical Oncology |
| Leuprolide acetate (for depot suspension), 7.5 mg | Drug given | J9217 |
675 | More than most peers in Medical Oncology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
133 | More often than most peers in Medical Oncology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
132 | As often as other peers in Medical Oncology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
124 | More often than most peers in Medical Oncology |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
122 | As often as other peers in Medical Oncology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
96 | More often than most peers in Medical Oncology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
88 | As often as other peers in Medical Oncology |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
73 | As often as other peers in Medical Oncology |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
28 | More often than most peers in Medical Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other oncologists at this location 5
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other oncologists in Baltimore 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Johns Hopkins University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2012 at Johns Hopkins University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle 8
Providers in MD who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Marshall?
Dr. Marshall is an oncologist in Baltimore, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Medical Oncology”.
NPI registry
What is Dr. Marshall's address?
Dr. Marshall is listed at 201 N Broadway St, Baltimore, MD 21287. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Marshall?
The number on file is (410) 955-0239. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Marshall's NPI number?
Dr. Marshall's National Provider Identifier is 1134443948. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Marshall train?
Dr. Marshall attended Johns Hopkins University School of Medicine, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Marshall been practicing?
Dr. Marshall has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Marshall perform?
According to Medicare billing data, Dr. Marshall provides treatments such as administration of hormonal anti-neoplastic chemotherapy under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Marshall confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Marshall. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.