Dr. John K. Ma
- Gender: Male
- Experience: 12 years
- Graduated from: University Of Mississippi School Of Medicine
- Graduation year: 2009
- Sole propriator: No
- NPI: 1205067758
Dr. John K. Ma MD, PHD
Radiation Oncologist
He is located at 1414 Southwest 8th Avenue in Topeka, KS 66606. Can help patients with the following: Cervical Cancer, Colon Cancer, Leukemia, Liver Cancer, Prostate Cancer, Sarcoma. His National Provider Identifier (NPI) number is 1205067758. Appointment can be made via the phone number (785) 354-5300. He is affiliated with 2 practices and 2 hospitals.
Conditions treated
Dr. John K. Ma, being an radiation oncologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. John K. Ma.
- Acoustic Neuroma
- Anal Cancer
- Bladder Cancer
- Bleeding Varices
- Blood Clots
- Bone Cancer
- Brain Cancer
- Breast Cancer
- Cancer
- Cervical Cancer
- Colon Cancer
- Cushing's Syndrome
- Fluoroscopy
- Hodgkin's Disease
- Kyphoplasty
- Leukemia
- Liver Cancer
- Lung Cancer
- MRI
- Penis Cancer
- Prostate Cancer
- Salivary Gland Cancer
- Sarcoma
- Testicular Cancer
- Vaginal Cancer
Procedures Performed by Dr. John K. Ma
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. John K. Ma as in-network for the following 2026 plans.
Health plans
Blue Cross and Blue Shield of Kansas, Inc.
Network data as of Jul 21, 2026, as reported by the insurer.
Show all 9 plans from Blue Cross and Blue Shield of Kansas, Inc.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| BlueCare EPO Bronze | EPO · Expanded Bronze | Preferred | Accepting new patients |
| BlueCare EPO Gold | EPO · Gold | Preferred | Accepting new patients |
| BlueCare EPO Gold Plus | EPO · Gold | Preferred | Accepting new patients |
| BlueCare EPO Silver Plus | EPO · Silver | Preferred | Accepting new patients |
| BlueCare EPO Simple Bronze HDHP | EPO · Expanded Bronze | Preferred | Accepting new patients |
| BlueCare EPO Simple Silver HDHP | EPO · Silver | Preferred | Accepting new patients |
| BlueCare EPO Standardized Expanded Bronze | EPO · Expanded Bronze | Preferred | Accepting new patients |
| BlueCare EPO Standardized Gold | EPO · Gold | Preferred | Accepting new patients |
| BlueCare EPO Standardized Silver | EPO · Silver | Preferred | Accepting new patients |
Medica
Network data as of Jun 25, 2026, as reported by the insurer.
Show all 9 plans from Medica
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Select by Medica Bronze $0 Copay PCP Visits | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Select by Medica Bronze Share | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Select by Medica Expanded Bronze Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Select by Medica Gold $0 Copay PCP Visits | EPO · Gold | Preferred | Accepting new patients |
| Select by Medica Gold Share | EPO · Gold | Preferred | Accepting new patients |
| Select by Medica Gold Standard | EPO · Gold | Preferred | Accepting new patients |
| Select by Medica Silver $0 Copay PCP Visits | EPO · Silver | Preferred | Accepting new patients |
| Select by Medica Silver Share | EPO · Silver | Preferred | Accepting new patients |
| Select by Medica Silver Standard | EPO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. John K. Ma is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. John K. Ma is enrolled to bill Medicare as a Practitioner - Radiation Oncology .
Bills through: Olathe Health Physicians Inc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Novartis | $52 |
| E.R. Squibb \u0026 Sons | $44 |
| Carl Zeiss Meditec | $43 |
Other
| Food and Beverage | $279 |
Studies
UNIVERSITY OF MISSISSIPPI SCHOOL OF MEDICINE
Graduated in 2009Additional Specialities
- Radiologist
- Vascular and Interventional Radiologist
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Questions & Answers
Does Dr. John K. Ma have affiliation with practices?
Dr. John K. Ma is affiliated with Cotton O'Neil Corporate View. For the full list of practices see this list.
What conditions does Dr. John K. Ma treat?
Dr. John K. Ma provides treatment for Cervical Cancer, Colon Cancer, Leukemia, Liver Cancer, Prostate Cancer, Sarcoma. For the full list see this list.
Where can you meet with Dr. John K. Ma?
Dr. John K. Ma's office is located at 1414 Southwest 8th Avenue in Topeka, KS 66606.
Does Dr. John K. Ma accept patients with Medica?
Yes, Dr. John K. Ma is listed in-network for Medica through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Has Dr. John K. Ma affiliation with hospitals?
Dr. John K. Ma is affiliated with STORMONT VAIL HOSPITAL. For the full list of hospitals see this list.