DR. KEVIN SHAWN OH M.D.
NPI 1780703124
Radiology - Radiation Oncology in Boston, MA

Q: What is Kevin Oh's NPI number?

The NPI number for Kevin Oh is 1780703124. It was assigned to this individual provider in the NPPES registry on March 28, 2007.

Q: What is Kevin Oh'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 Kevin Oh was last updated on October 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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, 2007PECOS EnrolledAccepts Medicare Assignment

100 BLOSSOM STREET, BOSTON, MA 02114(617) 724-1159(617) 726-3603 Get Directions Write a Review

NPPES record last updated: October 22, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Dr. Kevin Shawn Oh M.d. NPPES

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

DR. KEVIN SHAWN OH M.D. (NPI 1780703124) is an individual radiation oncology provider in Boston, Massachusetts, licensed in Massachusetts (239950) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with Cooley Dickinson Hospital Inc,the, and maintains a secondary practice location in Boston.

NPPES Registry Identity

NPI1780703124

Entity TypeIndividualMale

Primary Taxonomy2085R0001X

Provider Legal NameDR. KEVIN SHAWN OHCredential: M.D.

Location Address100 BLOSSOM STREETBoston, MA 02114

Mailing Address100 Blossom StBoston, MA 02114-2606 · (617) 724-1159 · Fax (617) 726-3603

Phone(617) 724-1159

Fax(617) 726-3603

Sole ProprietorNo

Medical School CMSUniversity Of Michigan Medical SchoolGraduated 2004

Enumeration DateMarch 28, 2007

Last NPPES UpdateOctober 22, 2025

NPPES CertifiedOctober 22, 2025

✔ NPI 1780703124 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

Licenses✔ Licensed in MA · 239950✔ Licensed in MI · 4301083670

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.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 4301083670 (MI)

100 BLOSSOM STREET, Boston, MA 02114

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Secondary Practice Location 1

Location 175 Francis StBoston, MA 02115-6106 · Phone (617) 732-5500

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Harvard Pilgrim Health Care, Taro Health, WellSense Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Kevin Shawn Oh M.d. 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 ID9234285792

PECOS Enrollment IDI20090924000418

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.

Medicare Billing Reassignments

Medicare enrollment records show Kevin Oh reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Massachusetts General Physicians Organization Inc

0.1 mi

Dermatology

55 FRUIT ST, BUL 2
Boston, MA 02114

Reassigned Medicare billing, Massachusetts and New Hampshire enrollments
6,360 clinicians in this Medicare group

NPI 1801874573 (617) 724-0287

The General Hospital Corporation

0.1 mi

General Acute Care Hospital

55 FRUIT ST, BULFINCH 360
Boston, MA 02114

Reassigned Medicare billing, Massachusetts enrollment
6,234 clinicians in this Medicare group

NPI 1023049236 (617) 726-2000

Brigham & Womens Physicians Organization Inc

2.7 mi

Internal Medicine

75 FRANCIS ST
Boston, MA 02115

Reassigned Medicare billing, Massachusetts enrollment
4,574 clinicians in this Medicare group

NPI 1033535497 (617) 732-5500

Community Medical Associates, Inc.

24 mi

Family Medicine

25 MARSTON ST STE 301
Lawrence, MA 01841

Reassigned Medicare billing, Massachusetts enrollment
305 clinicians in this Medicare group

NPI 1144544040 (978) 683-4000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 13

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.

206 services14 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.

163 services31 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.

130 services35 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.

45 services18 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

42 services33 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.

40 services39 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.

20 services19 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.

20 services19 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.

20 services20 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.

14 services13 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.

14 services14 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.

13 services13 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.

13 services13 patients

Hospital Affiliations CMS Care Compare 4

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

Cooley Dickinson Hospital Inc,the

Acute Care Hospitals · Northampton, MA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220015

Location30 Locust StreetNorthampton, MA 01060 · Hampshire County

Emergency services Birthing friendly

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220071

Location55 Fruit StreetBoston, MA 02114 · Suffolk County

Emergency services Birthing friendly

Massachusetts Eye And Ear Infirmary -

Acute Care Hospitals · Boston, MA

OwnershipVoluntary non-profit - Private

CMS Certification Number220075

Location243 Charles StreetBoston, MA 02114 · Suffolk County

Emergency services

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220110

Location75 Francis StreetBoston, MA 02115 · Suffolk County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02114 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

$189.86 typical visit price

range $63.72 – $189.86

Typical copayment $47.46 (range $15.93 – $47.46)

Most-billed visit code 99205

Established Patient

$78.84 typical visit price

range $21.07 – $155.29

Typical copayment $19.71 (range $5.26 – $38.82)

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 11

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

DR. THOMAS G ROBERTS JR. MD

Internal Medicine (Hematology & Oncology)

100 BLOSSOM STREET, COX 640 HEMATOLOGY ONCOLOGY ASSOCIATES
BOSTON, MA 02114

Suffolk County (617) 726-7423

MR. MARC GILBERT BOLDUC LICSW, CADC II, CGP

Social Worker (Clinical)

100 BLOSSOM STREET, COX BUILDING, FIRST FLOOR
BOSTON, MA 02114

Suffolk County (617) 726-6185

DR. JOANNA M STRECK PHD

Psychologist

100 BLOSSOM STREET, COX 110
BOSTON, MA 02114

Suffolk County (617) 643-9977

DR. ALEENA BANERJI MD

Allergy & Immunology

100 BLOSSOM STREET, COX 201
BOSTON, MA 02114

Suffolk County (617) 726-3850

DR. ROBERT SACKSTEIN MD PHD

Internal Medicine

100 BLOSSOM STREET, HEMATOLOGY ONCOLOGY ASSOCIATES COX6
BOSTON, MA 02114

Suffolk County (617) 724-1124

NANCY J SCHAEFFER NP

Nurse Practitioner

100 BLOSSOM STREET, COX 1 HEMATOLOGY ONCOLOGY ASSOCIATES
BOSTON, MA 02114

Suffolk County (617) 726-8698

DR. OTHON ILIOPOULOS MD

Internal Medicine (Medical Oncology)

100 BLOSSOM STREET, YAW 7 MASSACHUSETTS GENERAL HOSPITAL
BOSTON, MA 02114

Suffolk County (617) 724-3404

DR. BRUCE ALLAN CHABNER MD

Internal Medicine

100 BLOSSOM STREET, COX 640 HEMATOLOGY ONCOLOGY ASSOCIATES
BOSTON, MA 02114

Suffolk County (617) 724-3200

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 Kevin Oh's NPI number?

The NPI number for Kevin Oh is 1780703124. It was assigned to this individual provider in the NPPES registry on March 28, 2007.

Where is Kevin Oh located?

Kevin Oh practices at 100 Blossom Street, Boston, MA 02114. The listed phone number is (617) 724-1159.

What is Kevin Oh's specialty?

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

Is Kevin Oh enrolled in Medicare?

Yes. Kevin Oh 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.

Which organizations bill Medicare for Kevin Oh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kevin Oh reassigns Medicare benefits to 4 organizations: Massachusetts General Physicians Organization Inc (Boston, MA), The General Hospital Corporation (Boston, MA), Brigham & Womens Physicians Organization Inc (Boston, MA) and Community Medical Associates, Inc. (Lawrence, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kevin Oh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kevin Oh accept?

Health plans from Harvard Pilgrim Health Care, Taro Health and WellSense Health Plan list Kevin Oh 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 Kevin Oh affiliated with any hospitals?

According to CMS data, Kevin Oh is affiliated with Cooley Dickinson Hospital Inc,the, Massachusetts General Hospital, Massachusetts Eye And Ear Infirmary - and Brigham And Women's Hospital.

When was this NPI record last updated?

The NPPES record for Kevin Oh was last updated on October 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.