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Edit this profileAt a glance
- 3401 N Broad St, Philadelphia, PA 19140
About Marcus Messmer
Marcus Messmer practices medical oncology in Philadelphia, PA. Marcus is a 2014 graduate of Johns Hopkins University School of Medicine. Marcus is also listed as specializing in student in an organized health care education program. According to Medicare claims data, Marcus cared for 179 Medicare patients across 304 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, and new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more. The provider's National Provider Identifier (NPI) is 1285070490.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (215) 707-4000
- Email not available
Practice Locations
3401 N BROAD ST
Philadelphia, PA 19140
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
304 services · 179 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
160 | 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 |
120 | As often as other peers in Medical Oncology |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
24 | As often as other 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.
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 Philadelphia 8
Same specialty, same city.
Trained at Johns Hopkins University School of Medicine 7
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2014 at Johns Hopkins University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Marcus Messmer's specialty?
Marcus Messmer is an oncologist in Philadelphia, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Medical Oncology”.
NPI registry
Where can I find Marcus Messmer?
Marcus Messmer is listed at 3401 N Broad St, Philadelphia, PA 19140. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Marcus Messmer?
The number on file is (215) 707-4000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Marcus Messmer's NPI number?
Marcus Messmer's National Provider Identifier is 1285070490. 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
What is Marcus Messmer's education?
Marcus Messmer attended Johns Hopkins University School of Medicine, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How long has Marcus Messmer been practicing?
Marcus Messmer has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What is Marcus Messmer known for?
According to Medicare billing data, Marcus Messmer the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Marcus Messmer confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Marcus Messmer. If this is you, claiming it is free.
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Guide.md listings do not constitute medical advice or an endorsement.