SEAN S MAHASE MD
NPI 1629430699
Radiology - Radiation Oncology in Columbus, OH

Q: What is Sean Mahase's NPI number?

The NPI number for Sean Mahase is 1629430699. It was assigned to this individual provider in the NPPES registry on March 28, 2016.

Q: What is Sean Mahase's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Sean Mahase was last updated on June 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 28, 2016PECOS EnrolledAccepts Medicare Assignment

71.78/100

CMS Quality Rating

460 W 10TH AVE, COLUMBUS, OH 43210(614) 293-8415(614) 293-4044 Get Directions Write a Review

NPPES record last updated: June 12, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jul 5, 2021, Mar 28, 2016 (2 updates tracked since 2016).

On this page

About Sean S Mahase Md NPPES

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

SEAN S MAHASE MD (NPI 1629430699) is an individual radiation oncology provider in Columbus, Ohio, licensed in Ohio (35C.003850) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS, is affiliated with Milton S Hershey Medical Center, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1629430699

Entity TypeIndividualMale

Primary Taxonomy2085R0001X

Provider Legal NameSEAN S MAHASECredential: MD

Location Address460 W 10TH AVEColumbus, OH 43210-1240

Mailing Address700 Ackerman Rd Ste 2120Columbus, OH 43202-1559 · (614) 293-8415 · Fax (614) 293-4044

Phone(614) 293-8415

Fax(614) 293-4044

Sole ProprietorNo

Medical School CMSOtherGraduated 2016

Enumeration DateMarch 28, 2016

Last NPPES UpdateJune 12, 20262 updates tracked since enumeration

NPPES CertifiedJune 12, 2026

✔ NPI 1629430699 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

Licenses✔ Licensed in OH · 35C.003850✔ Licensed in PA · MD473569

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.

460 W 10TH AVE, Columbus, OH 43210

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Secondary Practice Locations 3

Location 1880 Century DrMechanicsburg, PA 17055-4375 · Phone (800) 243-1455 · Fax (717) 531-0882

Location 22494 Bernville RdReading, PA 19605-9469 · Phone (800) 243-1455 · Fax (717) 531-0882

Location 3500 University DrHershey, PA 17033-2360 · Phone (800) 243-1455 · Fax (717) 531-0882

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

Sean S Mahase Md 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 ID3173860855

PECOS Enrollment IDI20210709001607

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 14

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.

332 services69 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.

184 services44 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.

144 services54 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.

63 services21 patients

Complex radiation therapy planning 77263

Complex radiation therapy planning is a process to determine the most effective way to deliver radiation to a specific area in your body. It involves detailed imaging to map your body's structure, allowing for precise targeting of cancer cells while sparing healthy tissue.

57 services52 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

46 services46 patients

3d radiation therapy planning 77295

3D radiation therapy planning is a procedure that uses computer imaging to map out the area needing treatment. This ensures the radiation targets the disease precisely, while minimizing exposure to surrounding healthy tissues. It's a key step in preparing for effective radiation therapy.

33 services30 patients

Special radiation treatment 77470

Special radiation treatment is a medical procedure that uses high-energy rays to destroy or damage cancer cells. It's a targeted approach that aims to minimize harm to healthy tissues. The treatment duration varies based on individual health conditions.

22 services21 patients

Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 77290

This procedure involves collecting necessary data to plan the best radiation treatment. It may cover 3 or more areas or any area requiring special attention. Data collection includes imaging scans and tests to understand the disease's extent and to tailor a precise, effective treatment plan.

19 services15 patients

Management of complete single session course of cranial lesion surgery using radiation 77432

This procedure involves using radiation to treat a cranial lesion in one session. A precise dose of radiation targets the lesion, destroying abnormal cells while sparing healthy tissue. It's a non-invasive method, meaning no surgical incision is needed.

19 services18 patients

Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 77280

This procedure involves gathering essential information to create the best radiation treatment plan for a specific area. It includes scanning the treatment area and using this data to calculate the precise dose of radiation needed to target the disease effectively, while sparing healthy tissue.

18 services15 patients

High precision radiation therapy planning 77301

High precision radiation therapy planning involves detailed mapping of your body to target cancer cells accurately. Advanced imaging techniques help identify the exact location of the tumor, minimizing harm to healthy tissues. This personalized approach enhances effectiveness and reduces side effects.

17 services16 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.

17 services16 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.

12 services12 patients

Hospital Affiliations CMS Care Compare

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

Milton S Hershey Medical Center

Acute Care Hospitals · Hershey, PA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390256

Location500 University DriveHershey, PA 17033 · Dauphin County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 43210 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

$166.65 typical visit price

range $54.34 – $166.65

Typical copayment $41.66 (range $13.58 – $41.66)

Most-billed visit code 99205

Established Patient

$68.07 typical visit price

range $17.10 – $135.40

Typical copayment $17.01 (range $4.27 – $33.85)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

71.78/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

48.32

Promoting Interoperability

100

Improvement Activities

Cost

57.63

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.

CHIEMEZIE CHIANOTU AMADI MD

Radiology (Diagnostic Radiology)