Are you Michael R. Cassidy, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 88 E Newton St, C515, Boston, MA 02118
About Dr. Cassidy
Based in Boston, MA, Michael R. Cassidy, M.D. is listed in the NPI registry under surgical oncology. Michael graduated from Boston University School of Medicine in 2008. Michael is also listed as specializing in surgery of the hand and surgery. Medicare claims data shows Michael provided 150 services to 142 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more. NPI 1114186905 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (617) 638-8442
- Email not available
Practice Locations
88 E NEWTON ST C515
Boston, MA 02118
Procedures Most Often Billed to Medicare
150 services · 142 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Partial removal of breast | Procedure | 19301 |
13 | Less often than most peers in Surgical Oncology |
| Imaging of lymph nodes during surgery | Procedure | 38900 |
12 | Less often than most peers in Surgical Oncology |
| Biopsy or removal of deep lymph nodes of underarm | Procedure | 38525 |
12 | Less often than most peers in Surgical Oncology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
67 | More often than most peers in Surgical Oncology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
18 | Less often than most peers in Surgical Oncology |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
15 | Less often than most peers in Surgical Oncology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
13 | Less often than most peers in Surgical Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other surgical oncology specialists in Boston 8
Same specialty, same city.
Trained at Boston University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2008 at Boston University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Partial removal of breast 8
Providers in MA who bill this service to Medicare most often.
Common questions
What is Michael R. Cassidy's specialty?
Michael R. Cassidy is a surgical oncology in Boston, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Michael R. Cassidy?
Michael R. Cassidy is listed at 88 E Newton St C515, Boston, MA 02118. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Michael R. Cassidy?
The number on file is (617) 638-8442. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Michael R. Cassidy?
Michael R. Cassidy's National Provider Identifier is 1114186905. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Michael R. Cassidy's education?
Michael R. Cassidy attended Boston University School of Medicine, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Michael R. Cassidy have?
Michael R. Cassidy has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What is Michael R. Cassidy known for?
According to Medicare billing data, Michael R. Cassidy performs procedures including partial removal of breast, imaging of lymph nodes during surgery and biopsy or removal of deep lymph nodes of underarm, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Michael R. Cassidy's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Michael R. Cassidy. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.