JOHN K MA MD, PHD
NPI 1205067758
Radiology - Radiation Oncology in Topeka, KS

Active since July 31, 2009PECOS EnrolledAccepts Medicare Assignment
1414 SW 8TH AVE, TOPEKA, KS 66606(785) 354-5300 Get Directions Write a Review

NPPES record last updated: February 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Feb 4, 2025, Mar 4, 2022, Jan 2, 2020 and 2 more (5 updates tracked since 2016).

About John K Ma Md, Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN K MA MD, PHD (NPI 1205067758) is an individual radiation oncology provider in Topeka, Kansas, licensed in Kansas (04 37990) and active in the NPI registry since July 2009. He is enrolled in Medicare PECOS, is affiliated with University Of Kansas Health System - St Francis Campus, and maintains a secondary practice location in Topeka.

NPPES Registry Identity

NPI1205067758
Entity TypeIndividualMale
Primary Taxonomy2085R0001X
Provider Legal NameJOHN K MACredential: MD, PHD
Location Address1414 SW 8TH AVETopeka, KS 66606-1535
Mailing Address1414 Sw 8th AveTopeka, KS 66606-1535 · (785) 354-5300
Sole ProprietorNo
Medical School CMSUniversity Of Mississippi School Of MedicineGraduated 2009
Enumeration DateJuly 31, 2009
Last NPPES UpdateFebruary 13, 20265 updates tracked since enumeration
NPPES CertifiedFebruary 13, 2026
NPI 1205067758 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
License Licensed in KS · 04 37990
Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

1414 SW 8TH AVE, Topeka, KS 66606

Secondary Practice Location 1

Location 11500 SW 10th AveTopeka, KS 66604-1301 · Phone (785) 624-6000

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

John K Ma Md, Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3274845540
PECOS Enrollment IDI20150630001794
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 20

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Ct guidance for insertion of radiation therapy fields 77014
CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.
5,413 services213 patients
Radiation treatment management, 5 treatment sessions 77427
Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.
1,180 services213 patients
Calculation of radiation therapy dose 77300
Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.
718 services220 patients
Design and construction of radiation treatment device for high precision radiation therapy 77338
A radiation treatment device is custom-made for each patient to target cancer cells with high precision. It's designed to focus radiation on the tumor, sparing healthy tissue. This process ensures effective therapy while minimizing side effects.
332 services217 patients
Design and construction of complex radiation treatment device 77334
The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.
330 services216 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
297 services213 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number170016
Location1700 SW 7th StreetTopeka, KS 66606 · Shawnee County
Emergency services Birthing friendly

University Of Kansas Hospital

Acute Care Hospitals · Kansas City, KS
5/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number170040
Location4000 Cambridge StreetKansas City, KS 66160 · Wyandotte County
Emergency services Birthing friendly

Stormont Vail Hospital

Acute Care Hospitals · Topeka, KS
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number170086
Location1500 SW 10th AvenueTopeka, KS 66604 · Shawnee County
Emergency services Birthing friendly

Great Plains Of Sabetha

Critical Access Hospitals · Sabetha, KS
OwnershipVoluntary non-profit - Private
CMS Certification Number171338
Location603 S 14th StreetSabetha, KS 66534 · Nemaha County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 66606 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$161.67 typical visit price
range $53.00 – $161.67
Typical copayment $40.41 (range $13.25 – $40.41)
Most-billed visit code 99205
Established Patient
$66.40 typical visit price
range $16.88 – $132.11
Typical copayment $16.60 (range $4.22 – $33.02)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Clinic/Center (Oncology)
1414 SW 8TH AVE
TOPEKA, KS 66606
Internal Medicine (Hematology)
1414 SW 8TH AVE
TOPEKA, KS 66606
Pediatrics (Pediatric Hematology-Oncology)
1414 SW 8TH AVE
TOPEKA, KS 66606
Dietitian, Registered
1414 SW 8TH AVE
TOPEKA, KS 66606
Social Worker
1414 SW 8TH AVE
TOPEKA, KS 66606
Pharmacist
1414 SW 8TH AVE
TOPEKA, KS 66606
Pharmacist
1414 SW 8TH AVE
TOPEKA, KS 66606
Internal Medicine (Hematology & Oncology)
1414 SW 8TH AVE
TOPEKA, KS 66606

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Ma's NPI number?

The NPI number for John Ma is 1205067758. It was assigned to this individual provider in the NPPES registry on July 31, 2009.

Where is John Ma located?

John Ma practices at 1414 SW 8th Ave, Topeka, KS 66606. The listed phone number is (785) 354-5300.

What is John Ma's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is John Ma enrolled in Medicare?

Yes. John Ma is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does John Ma accept?

Health plans from Blue Cross and Blue Shield of Kansas, Inc. and Medica list John Ma as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is John Ma affiliated with any hospitals?

According to CMS data, John Ma is affiliated with University Of Kansas Health System - St Francis Campus, University Of Kansas Hospital, Stormont Vail Hospital and Great Plains Of Sabetha.

When was this NPI record last updated?

The NPPES record for John Ma was last updated on February 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.