Christos Tsokos, M.D. PH.D.
NPI 1699118075 · Anatomic Pathology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christos Tsokos, M.D. PH.D. is a Anatomic Pathology Physician provider in Boston, MA (NPI 1699118075).
Provider details
- NPI number
- 1699118075
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D. PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A135429 (CA)
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
13 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
1,069 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 | 503 | $38 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 243 | $29 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 107 | $36 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 81 | $12 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 47 | $85 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 38 | $12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-04-16
- Last updated
- 2023-03-04
- Certified
- 2023-03-04
Frequently asked questions
- What is Christos Tsokos's NPI number?
- Christos Tsokos's National Provider Identifier (NPI) is 1699118075, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christos Tsokos's specialty?
- Christos Tsokos is listed in the NPPES registry with a primary specialty of Anatomic Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Christos Tsokos located?
- Christos Tsokos's practice location on file with NPPES is 185 Cambridge St, Boston, MA 02114-2790.
- What is Christos Tsokos's phone number?
- The practice phone number listed in the NPPES registry for Christos Tsokos is (617) 956-2956.
- Does Christos Tsokos accept Medicare?
- Christos Tsokos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christos Tsokos's NPI active?
- Yes — Christos Tsokos's NPI (1699118075) is active in the NPPES registry as of the last update on 2023-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.