Charles Cassidy, M.D.
Orthopaedic Hand Surgery Physician · Boston, MA
Charles Cassidy, M.D. is an orthopaedic hand surgery physician with a practice address in Boston, Massachusetts, and NPI 1053351585, issued on Jun 6, 2006. Check the license (Massachusetts 77697, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Charles Cassidy
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Hand Surgery Physician 207XS0106X
- License number
- 77697 MA
Self-reported in NPPES; status is on the state search - Practice location
- 800 Washington St, Boston, MA 02111
- Phone
- (617) 636-5150
- Enumerated
- Jun 6, 2006
- Record last updated
- Mar 24, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050607001016); may accept Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1987
- Entity
- Type 1 · individual
8 nearest orthopaedic hand surgery physician records → All 75 in Massachusetts → Look up another NPI →
Also registered at 800 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Aalberg, MD, MPHSurgery Physician1326788027
- Omer Abbak, PHARMDPharmacist1114500337
- Aya Abdelnaser, MDStudent in an Organized Health Care Education/Training Program1770425373
- Marie Elise Abi Antoun, MDObstetrics & Gynecology Physician1356042626
- Ahmad AboalfarajSurgery Physician1538517651
- Tala Abu Samaan, MDStudent in an Organized Health Care Education/Training Program1376386250
Verify Charles Cassidy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 77697Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,606.78
8 payments; by number, the most common kind was food and beverage; the largest payer was Synthes GmbH. The 1,819 providers of this specialty with any payment received $5,529.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Pratt Orthopaedic Associates IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles Cassidy among 75 orthopaedic hand surgery physician records in Massachusetts
Charles Cassidy, M.D. is one of 75 orthopaedic hand surgery physician records with a practice address in Massachusetts. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 47% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1987 · median 2003 among the 53 with a school on file
- Record last updated2010 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0106X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Hand Surgery Physician providers in Massachusetts
There are 75 orthopaedic hand surgery physician records in Massachusetts.
All 75 in Massachusetts → Every provider in Boston → Orthopaedic Hand Surgery Physician nationwide →
The 8 orthopaedic hand surgery physician records with the nearest ZIP codes
- Tracy Webber, M.D.Boston, MA 021111275894131
- Sang-Gil Lee, MDBoston, MA 021141649270810
- Manish Mehta, MDBoston, MA 021141811491566
- Chaitanya Mudgal, MDBoston, MA 021141265413926
- Giscard Adeclat, MDBoston, MA 021151598320194
- Arnold Alqueza, MDBoston, MA 021151023144755
- Philip Blazar, MDBoston, MA 021151497733158
- George Dyer, MDBoston, MA 021151154310381
Common questions
What is Charles Cassidy, M.D.'s NPI number?
Charles Cassidy, M.D.'s National Provider Identifier (NPI) is 1053351585, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles Cassidy, M.D. located?
The NPPES record lists a practice address at 800 Washington St, Boston, MA, 02111. Phone: (617) 636-5150. Providers update this record themselves, so call before visiting.
How can I verify Charles Cassidy, M.D.'s license?
NPPES lists Massachusetts license number 77697, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Charles Cassidy, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.