Brian Mcmillen, M.D.
NPI 1104147115 · Anatomic Pathology & Clinical Pathology Physician · Newport, RI
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Mcmillen, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Newport, RI (NPI 1104147115).
Provider details
- NPI number
- 1104147115
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 125057121 (IL)
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
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,791 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 1,086 | $37 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 503 | $36 |
| Flow Cytometry Technique for Dna Or Cell Analysis, Each Additional Marker88185 | 345 | $25 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 276 | $27 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 160 | $34 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 124 | $79 |
Practice location
Mailing address
Additional practice locations (1)
- 251 E Huron StChicago, IL 60611-2908Phone: (617) 895-6936
Registry dates
- Enumerated
- 2010-06-14
- Last updated
- 2024-08-07
- Certified
- 2024-08-07
Frequently asked questions
- What is Brian Mcmillen's NPI number?
- Brian Mcmillen's National Provider Identifier (NPI) is 1104147115, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Mcmillen's specialty?
- Brian Mcmillen is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Mcmillen located?
- Brian Mcmillen's practice location on file with NPPES is 11 Friendship St, Newport, RI 02840-2299.
- What is Brian Mcmillen's phone number?
- The practice phone number listed in the NPPES registry for Brian Mcmillen is (401) 444-5057.
- Does Brian Mcmillen accept Medicare?
- Brian Mcmillen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Mcmillen's NPI active?
- Yes — Brian Mcmillen's NPI (1104147115) is active in the NPPES registry as of the last update on 2024-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.