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DR. MICHAEL RYAN CASSIDY M.D.
NPI 1114186905
Surgery - Surgical Oncology in Boston, MA

Active since June 05, 2008PECOS EnrolledAccepts Medicare Assignment
88 E NEWTON ST, C515, BOSTON, MA 02118(617) 638-8442 Get Directions Write a Review

NPPES record last updated: February 17, 2017. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Michael Ryan Cassidy M.d. NPPES

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

DR. MICHAEL RYAN CASSIDY M.D. (NPI 1114186905) is an individual surgical oncology provider in Boston, Massachusetts, licensed in Massachusetts (243921) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and is a graduate of Boston University School Of Medicine (2008).

NPPES Registry Identity

NPI1114186905
Entity TypeIndividualMale
Primary Taxonomy2086X0206X
Provider Legal NameDR. MICHAEL RYAN CASSIDYCredential: M.D.
Location Address88 E NEWTON ST, C515Boston, MA 02118-2308
Mailing Address88 E Newton St, C515Boston, MA 02118-2308
Phone(617) 638-8442
Sole ProprietorNo
Medical School CMSBoston University School Of MedicineGraduated 2008
Enumeration DateJune 5, 2008
Last NPPES UpdateFebruary 17, 2017
✔ NPI 1114186905 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgery · Surgical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2086X0206X
License✔ Licensed in MA · 243921
Definition
A surgical oncologist is a well-qualified surgeon who has obtained additional training and experience in the multidisciplinary approach to the prevention, diagnosis, treatment, and rehabilitation of cancer patients, and devotes a major portion of his or her professional practice to these activities and cancer research.
Also ListedSurgeryTaxonomy 208600000X · License 243921 (MA)
88 E NEWTON ST, Boston, MA 02118
Open in Google Maps ↗

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

Dr. Michael Ryan Cassidy 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 ID1355573361
PECOS Enrollment IDI20170616001898
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 7

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.

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.
67 services62 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.
18 services15 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.
15 services15 patients
Partial removal of breast 19301
A partial removal of the breast, also known as a lumpectomy, involves taking out a portion of the breast tissue to eliminate concerning cells. It's typically performed when the problem area is limited in size. This procedure helps to preserve most of the breast's appearance while aiming to remove all the unhealthy cells.
13 services13 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.
13 services13 patients
Biopsy or removal of deep lymph nodes of underarm 38525
A biopsy or removal of deep underarm lymph nodes is a procedure where a small sample of lymph node tissue is taken for testing. This helps in diagnosing or ruling out conditions like infections or cancers. It involves a small incision and is typically done under local or general anesthesia.
12 services12 patients

Hospital Affiliations CMS Care Compare 3

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

Boston Medical Center

Acute Care Hospitals · Boston, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220031
Location1 Boston Medical Center PlaceBoston, MA 02118 · Suffolk County
Emergency services Birthing friendly

Beth Israel Deaconess Hospital - Needham

Acute Care Hospitals · Needham, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220083
Location148 Chestnut StreetNeedham, MA 02494 · Norfolk County
Emergency services

Beth Israel Deaconess Medical Center

Acute Care Hospitals · Boston, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220086
Location330 Brookline AvenueBoston, MA 02215 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02118 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 20

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

STEPHANIE L REDMOND PA-C
Physician Assistant
88 E NEWTON ST
BOSTON, MA 02118
Suffolk County (617) 638-8413
TRUSTEES OF BOSTON UNIVERSITY
Dentist (Oral and Maxillofacial Surgery)
88 E NEWTON ST
BOSTON, MA 02118
Suffolk County (866) 390-1815
INDEPENDENCE RADIOLOGY ASSOCIATES, PC
Radiology (Diagnostic Radiology)
88 E NEWTON ST
BOSTON, MA 02118
Suffolk County (617) 638-6610
YE M TUN M.D
Internal Medicine (Nephrology)
88 E NEWTON ST, BOSTON MEDICAL CENTER
BOSTON, MA 02118
Suffolk County (617) 638-7322
ALEXANDER MARK DEKEL M.D.
Anesthesiology
88 E NEWTON ST, ROOM 2817A
BOSTON, MA 02118
Suffolk County (617) 638-6975
BOSTON UNIVERSITY CARDIAC & THORACIC SURGICAL FOUNDATION, INC.
General Acute Care Hospital
88 E NEWTON ST, ROBINSON B402
BOSTON, MA 02118
Suffolk County (617) 638-7350
DR. PAVAN M SEKHAR MD
Anesthesiology
88 E NEWTON ST
BOSTON, MA 02118
Suffolk County (617) 638-8000
DR. LINDSAY ARNOLD PHARM D
Pharmacist (Pharmacotherapy)
88 E NEWTON ST, DEPARTMENT OF PHARMACY H2606
BOSTON, MA 02118
Suffolk County (617) 638-7598

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 Michael Cassidy's NPI number?

The NPI number for Michael Cassidy is 1114186905. It was assigned to this individual provider in the NPPES registry on June 5, 2008.

Where is Michael Cassidy located?

Michael Cassidy practices at 88 E Newton St C515, Boston, MA 02118. The listed phone number is (617) 638-8442.

What is Michael Cassidy's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.

Is Michael Cassidy enrolled in Medicare?

Yes. Michael Cassidy 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 Michael Cassidy accept?

Health plans from Anthem Blue Cross and Blue Shield list Michael Cassidy 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 Michael Cassidy affiliated with any hospitals?

According to CMS data, Michael Cassidy is affiliated with Boston Medical Center, Beth Israel Deaconess Hospital - Needham and Beth Israel Deaconess Medical Center.

When was this NPI record last updated?

The NPPES record for Michael Cassidy was last updated on February 17, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.