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Edit this profileJohn F. Kessler, MD practices hematology & oncology in Cambridge, OH. John is also listed as specializing in specialist. According to Medicare claims data, John cared for 68 Medicare patients across 76 services. The services billed most often include complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count, blood test, comprehensive group of blood chemicals, and immunologic analysis for detection of tumor antigen, quantitative; ca 15-3. The provider's National Provider Identifier (NPI) is 1598760274.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1455 CLARK ST
Cambridge, OH 43725
1051 Loftis Blvd Suite 100
Newport News, VA 23606
Within Hematology and 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.
Most searched conditions
Advanced Cancers
Blood & Lymph Disorders
Blood Cancers
Blood Disorders
Blood disorders
Bone & Soft Tissue Cancers
Digestive Cancers
Endocrine Cancers
Endocrine tumors
Gastrointestinal cancer
General oncology
Genetic Blood Disorders
Gynecologic cancer
Gynecologic Cancers
Head & Neck Cancers
Head and neck cancer
Neurologic Cancers
Oncologic emergencies
Ophthalmologic oncology
Skin cancer
Skin Cancers
Urologic Cancers
Most searched procedures
Biopsies & Diagnostics
Blood disorder care
Cancer Therapies
Cancer therapy
Cellular Therapies
Consultations
Diagnostic testing
Hematology Treatments
Imaging
Infusions
Interventional oncology
Supportive Cancer Care
Supportive cancer care
Surgical & Vascular Access
Testing & Genetics
Vascular access care
76 services · 68 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
11 | Less often than most peers in Hematology & Oncology |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
29 | Less often than most peers in Hematology & Oncology |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
23 | Less often than most peers in Hematology & Oncology |
| Immunologic analysis for detection of tumor antigen, quantitative; ca 15-3 | Lab test | 86300 |
13 | Less often than most peers in Hematology & Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Kessler is a cancer specialist in Cambridge, OH. That is the designation recorded for this NPI in the federal registry, where it is listed as “Hematology & Oncology”.
NPI registry
Dr. Kessler is listed at 1455 Clark St, Cambridge, OH 43725. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (740) 439-2771. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Kessler's National Provider Identifier is 1598760274. 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
Dr. Kessler attended Other, graduating in 1977. This comes from the CMS National Downloadable File.
CMS public data
Dr. Kessler has 49 years experience. Calculated from a graduation year of 1977, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Kessler provides treatments such as injection of drug or substance 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
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Kessler. If this is you, claiming it is free.
Guide.md
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