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Edit this profileAt a glance
- 335 Glessner Ave, Mansfield, OH 44903
About Dr. Exten
Katherine R. Exten, M.D. is a healthcare provider in Mansfield, OH specializing in medical oncology. Katherine trained at Ohio State University College of Medicine, graduating in 2011. Katherine is also listed as specializing in internal medicine, student in an organized health care education program, and hematology & oncology. Medicare claims data shows Katherine provided 617 services to 319 patients. 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, initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. This provider record is associated with NPI 1982996237.
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
- (419) 756-2003
- Email not available
Practice Locations
335 GLESSNER AVE
Mansfield, OH 44903
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
- Peritoneal Cancer
Blood cancer
- Blood Cancer
Blood disorders
Cancer complications
- High calcium from cancer
Chest cancer
Complications
- Abdominal fluid swelling from cancer
- Fluid around lungs from cancer
Digestive cancer
- Appendix cancer
- Gallbladder cancer
Digestive cancers
Endocrine cancer
- Adrenal Tumors in Children
Endocrine cancers
Eye cancer
General oncology
- Cancer of unknown primary
Genetic risk
- Inherited Cancer Risk
Gynecologic cancer
Gynecologic cancers
Head and neck
Head and neck cancer
- Head and neck cancer
- Oral cavity cancer
- Salivary Gland Cancer
Metastatic cancer
- Cancer Spread to the Lung
Metastatic disease
- Cancer spread to bones
- Cancer that spread to brain
- Cancer that spread to liver
Neurologic cancers
Sarcomas
- Bone tumors
- Soft-tissue sarcoma
Skin cancer
Symptom evaluation
- Cancer pain
- Cancer-related fatigue
- Swollen Lymph Nodes
Thoracic cancers
Treatment side effects
- Chemo Rash
- Mouth Sores From Chemo
- Nerve Pain From Chemo
Urologic cancer
- Penile Cancer
Urologic cancers
Procedures & services
Most searched procedures
Cancer treatment care
- Immunotherapy Side Effect Management
- Maintenance Cancer Therapy
Complication management
- Cancer Blood Clot Treatment
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
- Red Blood Cell Booster Shot
- White Blood Cell Booster Injection
Medication management
- Oral cancer medication monitoring
Patient education
- Chemo Teaching And Education
Port and line care
- Central line placement in child
- Chemo port removal
- PICC line care and removal
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
- Chemo Rash Treatment
Vascular access
- Chemo port flush and care
- Chemo port placement
- PICC line care and flush
Procedures Most Often Billed to Medicare
617 services · 319 patients · 5 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 |
516 | More often than most peers in Medical Oncology |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
33 | As often as other peers in Medical Oncology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
26 | As often as other peers in Medical Oncology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
22 | Less often than most peers in Medical Oncology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
20 | Less 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.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 16 related providers in 2 groups
Trained at Ohio State University College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2011 at Ohio State University College of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Katherine R. Exten?
Katherine R. Exten is an oncologist in Mansfield, OH. That is the designation recorded for this NPI in the federal registry, where it is listed as “Medical Oncology”.
NPI registry
What is Katherine R. Exten's address?
Katherine R. Exten is listed at 335 Glessner Ave, Mansfield, OH 44903. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Katherine R. Exten?
The number on file is (419) 756-2003. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Katherine R. Exten?
Katherine R. Exten's National Provider Identifier is 1982996237. 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 Katherine R. Exten train?
Katherine R. Exten attended Ohio State University College of Medicine, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Katherine R. Exten have?
Katherine R. Exten has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What procedures does Katherine R. Exten perform?
According to Medicare billing data, Katherine R. Exten 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
Is Katherine R. Exten's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Katherine R. Exten. If this is you, claiming it is free.
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