James Stone, MD, PHD
NPI 1821070855 · Anatomic Pathology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Stone, MD, PHD is a Anatomic Pathology Physician provider in Boston, MA (NPI 1821070855).
Provider details
- NPI number
- 1821070855
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- License
- 203706 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
1,025 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) |
|---|---|---|
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 215 | $29 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 212 | $38 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 199 | $12 |
| Preparation of Tissue for Examination By Removing Any Calcium Present88311 | 96 | $12 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 86 | $84 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 80 | $12 |
Practice location
Mailing address
Additional practice locations (1)
- 75 Francis StCwnl1Boston, MA 02115-6110Phone: (617) 732-5500
Registry dates
- Enumerated
- 2005-11-16
- Last updated
- 2025-12-18
- Certified
- 2025-12-18
Frequently asked questions
- What is James Stone's NPI number?
- James Stone's National Provider Identifier (NPI) is 1821070855, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Stone's specialty?
- James Stone is listed in the NPPES registry with a primary specialty of Anatomic Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is James Stone located?
- James Stone's practice location on file with NPPES is 55 Fruit St Wrn 202, Boston, MA 02114-2696.
- What is James Stone's phone number?
- The practice phone number listed in the NPPES registry for James Stone is (617) 726-2967.
- Does James Stone accept Medicare?
- James Stone is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Stone's NPI active?
- Yes — James Stone's NPI (1821070855) is active in the NPPES registry as of the last update on 2025-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.