Caroline Cassidy, PA-C
NPI 1669165999 · Physician Assistant · Boston, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Caroline Cassidy, PA-C is a Physician Assistant provider in Boston, MA (NPI 1669165999).
Provider details
- NPI number
- 1669165999
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Medical Physician Assistant363AM0700X
Physician Assistants & Advanced Practice Nursing Providers
- Surgical Physician Assistant363AS0400X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
3 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 96 | 48 |
| Methylprednisolone | 80 | 60 |
| Oxycodone Hcl | 59 | 36 |
| Hydromorphone Hcl | 47 | 18 |
| Cyclobenzaprine Hcl | 37 | 24 |
| Tizanidine Hcl | 32 | 23 |
| Methocarbamol | 26 | 11 |
| Diazepam |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$122 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 75 Francis StBoston, MA 02115-6110Phone: (617) 732-5000
Registry dates
- Enumerated
- 2023-06-01
- Last updated
- 2023-07-01
- Certified
- 2023-07-01
Frequently asked questions
- What is Caroline Cassidy's NPI number?
- Caroline Cassidy's National Provider Identifier (NPI) is 1669165999, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caroline Cassidy's specialty?
- Caroline Cassidy is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Caroline Cassidy located?
- Caroline Cassidy's practice location on file with NPPES is 60 Fenwood Rd Bldg 4th, Boston, MA 02115-6128.
- What is Caroline Cassidy's phone number?
- The practice phone number listed in the NPPES registry for Caroline Cassidy is (773) 294-1738.
- Does Caroline Cassidy accept Medicare?
- Caroline Cassidy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Caroline Cassidy's NPI active?
- Yes — Caroline Cassidy's NPI (1669165999) is active in the NPPES registry as of the last update on 2023-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.