Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SHIRIN SIOSHANSI M.D.
NPI 1518152438
Radiology - Radiation Oncology in Providence, RI

Q: What is Shirin Sioshansi's NPI number?

The NPI number for Shirin Sioshansi is 1518152438. It was assigned to this individual provider in the NPPES registry on September 13, 2007.

Q: What is Shirin Sioshansi'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 Shirin Sioshansi was last updated on June 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 59 days 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 September 13, 2007PECOS EnrolledAccepts Medicare Assignment

593 EDDY ST, PROVIDENCE, RI 02903(401) 444-8311 Get Directions Write a Review

NPPES record last updated: June 22, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 6, 2020, Feb 29, 2016 (2 updates tracked since 2016).

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About Shirin Sioshansi M.d. NPPES

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

SHIRIN SIOSHANSI M.D. (NPI 1518152438) is an individual radiation oncology provider in Providence, Rhode Island, licensed in Rhode Island (MD20329) and active in the NPI registry since September 2007. She is enrolled in Medicare PECOS, is affiliated with Umass Memorial Medical Center/university Campus, and is a graduate of Warren Alpert Medical School Of Brown University (2006).

NPPES Registry Identity

NPI1518152438

Entity TypeIndividualFemale

Primary Taxonomy2085R0001X

Provider Legal NameSHIRIN SIOSHANSICredential: M.D.

Location Address593 EDDY STProvidence, RI 02903-4923

Mailing Address117 Ellenfield StProvidence, RI 02905-4541 · (401) 444-6779 · Fax (401) 444-6912

Phone(401) 444-8311

Sole ProprietorNo

Medical School CMSWarren Alpert Medical School Of Brown UniversityGraduated 2006

Enumeration DateSeptember 13, 2007

Last NPPES UpdateJune 22, 20262 updates tracked since enumeration

NPPES CertifiedJune 22, 2026

✔ NPI 1518152438 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 RI · MD20329✔ Licensed in MA · 247683

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.

593 EDDY ST, Providence, RI 02903

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Other Identifiers 1

Medicaid110089056AMA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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

Shirin Sioshansi 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 ID6507037116

PECOS Enrollment IDI20250122000206

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 12

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.

227 services11 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.

122 services25 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.

103 services28 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 services34 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.

42 services40 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

37 services37 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.

36 services35 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.

26 services16 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.

24 services23 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 services23 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 services12 patients

Hospital Affiliations CMS Care Compare 3

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

Umass Memorial Medical Center/University Campus

Acute Care Hospitals · Worcester, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220163

Location55 Lake Avenue NorthWorcester, MA 01655 · Worcester County

Emergency services Birthing friendly

Rhode Island Hospital

Acute Care Hospitals · Providence, RI

3/5 CMS rating

OwnershipTribal

CMS Certification Number410007

Location593 Eddy StreetProvidence, RI 02903 · Providence County

Emergency services

The Miriam Hospital

Acute Care Hospitals · Providence, RI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number410012

Location164 Summit AvenueProvidence, RI 02906 · Providence County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02903 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

$177.03 typical visit price

range $58.57 – $177.03

Typical copayment $44.25 (range $14.64 – $44.25)

Most-billed visit code 99205

Established Patient

$72.93 typical visit price

range $18.92 – $144.38

Typical copayment $18.23 (range $4.73 – $36.09)

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.

DR. KEITH-AUSTIN SCARFO D.O.

Anesthesiology

593 EDDY ST, APC 6
PROVIDENCE, RI 02903

Providence County (401) 444-3777

AILEEN HSUEH

Surgery

593 EDDY ST
PROVIDENCE, RI 02903

Providence County (401) 444-8450

RHODE ISLAND HOSPITAL

General Acute Care Hospital

593 EDDY ST, MAIN 4
PROVIDENCE, RI 02903

Providence County (401) 444-7585

DR. GA HIE NAM M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

593 EDDY ST
PROVIDENCE, RI 02903

Providence County (401) 444-5057

EUGENIE ATALLAH

Psychiatry & Neurology (Neurology)

593 EDDY ST
PROVIDENCE, RI 02903

Providence County (401) 606-2645

BRIAN CAO MD

Student in an Organized Health Care Education/Training Program

593 EDDY ST
PROVIDENCE, RI 02903

Providence County (401) 606-4286

BRET CAULFIELD

Physician Assistant

593 EDDY ST
PROVIDENCE, RI 02903

Providence County (401) 444-4000

JUNG HO GONG

Student in an Organized Health Care Education/Training Program

593 EDDY ST
PROVIDENCE, RI 02903

Providence County (401) 793-2695

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 Shirin Sioshansi's NPI number?

The NPI number for Shirin Sioshansi is 1518152438. It was assigned to this individual provider in the NPPES registry on September 13, 2007.

Where is Shirin Sioshansi located?

Shirin Sioshansi practices at 593 Eddy St, Providence, RI 02903. The listed phone number is (401) 444-8311.

What is Shirin Sioshansi's specialty?

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

Is Shirin Sioshansi enrolled in Medicare?

Yes. Shirin Sioshansi 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 Shirin Sioshansi accept?

Health plans from Anthem Blue Cross and Blue Shield list Shirin Sioshansi 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 Shirin Sioshansi affiliated with any hospitals?

According to CMS data, Shirin Sioshansi is affiliated with Umass Memorial Medical Center/University Campus, Rhode Island Hospital and The Miriam Hospital.

When was this NPI record last updated?

The NPPES record for Shirin Sioshansi was last updated on June 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 59 days 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.