Catherine Breen, M.D.
NPI 1205942562 · Dermatopathology (Pathology) Physician · Providence, RI
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Breen, M.D. is a Dermatopathology (Pathology) Physician provider in Providence, RI (NPI 1205942562).
Provider details
- NPI number
- 1205942562
- Entity type
- Individual
- Primary specialty
- Dermatopathology (Pathology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD11646 (RI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,975 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Protein Measurement, Serum84165 | 1,538 | $17 |
| Immunologic Analysis Technique on Serum (immunofixation)86334 | 832 | $17 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 689 | $36 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 201 | $11 |
| Protein Measurement, Body Fluid84166 | 189 | $17 |
| Immunologic Analysis Technique on Body Fluid, Other Fluids With Concentration86335 | 132 | $17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-21
- Last updated
- 2007-12-11
Frequently asked questions
- What is Catherine Breen's NPI number?
- Catherine Breen's National Provider Identifier (NPI) is 1205942562, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Breen's specialty?
- Catherine Breen is listed in the NPPES registry with a primary specialty of Dermatopathology (Pathology) Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Breen located?
- Catherine Breen's practice location on file with NPPES is 825 Chalkstone Ave, Providence, RI 02908-4728.
- What is Catherine Breen's phone number?
- The practice phone number listed in the NPPES registry for Catherine Breen is (401) 456-2162.
- Does Catherine Breen accept Medicare?
- Catherine Breen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Breen's NPI active?
- Yes — Catherine Breen's NPI (1205942562) is active in the NPPES registry as of the last update on 2007-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.