NEIL A DAS GUPTA M.D.
NPI 1316974363
Radiology - Radiation Oncology in Naperville, IL

Q: What is Neil Das Gupta's NPI number?

The NPI number for Neil Das Gupta is 1316974363. It was assigned to this individual provider in the NPPES registry on June 26, 2006.

Q: What is Neil Das Gupta'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 Neil Das Gupta was last updated on June 15, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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 June 26, 2006PECOS EnrolledAccepts Medicare Assignment

89.97/100

CMS Quality Rating

120 SPALDING DR, SUITE 111, NAPERVILLE, IL 60540(630) 527-3788(630) 646-6165 Get Directions Write a Review

NPPES record last updated: June 15, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Neil A Das Gupta M.d. NPPES

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

NEIL A DAS GUPTA M.D. (NPI 1316974363) is an individual radiation oncology provider in Naperville, Illinois, licensed in Illinois (036104329) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Swedish Hospital, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (1997).

NPPES Registry Identity

NPI1316974363

Entity TypeIndividualMale

Primary Taxonomy2085R0001X

Provider Legal NameNEIL A DAS GUPTACredential: M.D.

Location Address120 SPALDING DR, SUITE 111Naperville, IL 60540-6508

Mailing Address120 Spalding Dr, Suite 111Naperville, IL 60540-6508 · (630) 527-3788 · Fax (630) 646-6165

Phone(630) 527-3788

Fax(630) 646-6165

Sole ProprietorNo

Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 1997

Enumeration DateJune 26, 2006

Last NPPES UpdateJune 15, 2012

✔ NPI 1316974363 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 IL · 036104329

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.

120 SPALDING DR, Naperville, IL 60540

Open in Google Maps ↗

Other Identifiers 2

Medicare ID-Type UnspecifiedL92364IL

Medicare UPINH65663

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.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

Neil A Das Gupta 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 ID2668472655

PECOS Enrollment IDI20061221000272

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 Reassignment

Medicare enrollment records show Neil Das Gupta reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Fox Valley Radiation Oncology LLC

Same address

Radiation Oncology

120 SPALDING DR, SUITE 111
Naperville, IL 60540

Reassigned Medicare billing, Illinois enrollment
4 clinicians in this Medicare group

NPI 1720141047 (630) 646-2273

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 17

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.

Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy G6002

Stereoscopic x-ray guidance is a technique used in radiation therapy. It involves taking multiple X-ray images from different angles to create a 3D picture of the area to be treated. This helps accurately pinpoint the exact location for radiation delivery, ensuring the therapy is as effective as possible.

1,011 services47 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.

255 services66 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.

217 services49 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.

168 services64 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.

139 services107 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.

69 services69 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.

52 services52 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.

48 services47 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.

47 services47 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.

34 services34 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.

32 services23 patients

Obtaining respiratory data needed to develop the optimal radiation treatment 77293

Obtaining respiratory data is vital for optimal radiation treatment. This involves tracking your breathing patterns to ensure the precise delivery of radiation to the target area, minimizing damage to healthy tissue. It's a non-invasive process and contributes to effective treatment.

27 services27 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.

25 services21 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.

23 services19 patients

Management of cranial lesion surgery using radiation over multiple sessions 77435

This procedure involves using targeted radiation to treat a lesion in the brain over several sessions. The radiation destroys the abnormal cells, helping to control or eliminate the lesion. It's a non-invasive treatment, meaning no surgical cuts are made.

21 services21 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

11 services11 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Swedish Hospital

Acute Care Hospitals · Chicago, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140114

Location5145 N California AveChicago, IL 60625 · Cook County

Emergency services Birthing friendly

Elmhurst Memorial Hospital

Acute Care Hospitals · Elmhurst, IL

4/5 CMS rating

OwnershipProprietary

CMS Certification Number140200

Location155 East Brush Hill RoadElmhurst, IL 60126 · Du Page County

Emergency services Birthing friendly

Edward Hospital

Acute Care Hospitals · Naperville, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140231

Location801 South WashingtonNaperville, IL 60540 · Du Page County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60540 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

$181.38 typical visit price

range $59.81 – $181.38

Typical copayment $45.34 (range $14.95 – $45.34)

Most-billed visit code 99205

Established Patient

$74.38 typical visit price

range $19.15 – $147.12

Typical copayment $18.59 (range $4.78 – $36.78)

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.

89.97/100

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

Scored as part of a group practice

Quality

79.94

Improvement Activities

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.

JAMES R DAVIS MD

Specialist

120 SPALDING DR, SUITE 307
NAPERVILLE, IL 60540

Dupage County (630) 355-1102

SHEILA TREFTZ APN

Nurse Practitioner (Acute Care)

120 SPALDING DR, SUITE 401
NAPERVILLE, IL 60540

Dupage County (630) 416-4501

JOSEPH KASH MD

Internal Medicine (Hematology & Oncology)

120 SPALDING DR, SUITE 111
NAPERVILLE, IL 60540

Dupage County (630) 527-3788

MRS. WENDY ANN PAWELSKI LCPC,CADC

Counselor (Professional)

120 SPALDING DR, MOB II SUITE 408
NAPERVILLE, IL 60540

Dupage County (630) 527-5484

EDWARD HEALTH VENTURES

Psychiatry & Neurology (Neurology)

120 SPALDING DR, STE 207
NAPERVILLE, IL 60540

Dupage County (630) 527-7730

KRISTIN R. WATKINS APN-CNP

Nurse Practitioner

120 SPALDING DR
NAPERVILLE, IL 60540

Dupage County (630) 369-7700

JAMES W WIELGOLEWSKI MD

Surgery

120 SPALDING DR, SUITE 100
NAPERVILLE, IL 60540

Dupage County (630) 961-0423

HASSAN PERVEZ M.D.

Internal Medicine (Hematology & Oncology)

120 SPALDING DR, SUITE 111
NAPERVILLE, IL 60540

Dupage County (630) 527-3788

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 Neil Das Gupta's NPI number?

The NPI number for Neil Das Gupta is 1316974363. It was assigned to this individual provider in the NPPES registry on June 26, 2006.

Where is Neil Das Gupta located?

Neil Das Gupta practices at 120 Spalding Dr Suite 111, Naperville, IL 60540. The listed phone number is (630) 527-3788.

What is Neil Das Gupta's specialty?

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

Is Neil Das Gupta enrolled in Medicare?

Yes. Neil Das Gupta 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 organization bills Medicare for Neil Das Gupta's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Neil Das Gupta reassigns Medicare benefits to Fox Valley Radiation Oncology LLC (Naperville, IL). The 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 Neil Das Gupta's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Neil Das Gupta accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Neil Das Gupta 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 Neil Das Gupta affiliated with any hospitals?

According to CMS data, Neil Das Gupta is affiliated with Swedish Hospital, Elmhurst Memorial Hospital and Edward Hospital.

When was this NPI record last updated?

The NPPES record for Neil Das Gupta was last updated on June 15, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.