Leonidas Arvanitis, M.D.
NPI 1669628764 · Anatomic Pathology & Clinical Pathology Physician · Duarte, CA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leonidas Arvanitis, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Duarte, CA (NPI 1669628764).
Provider details
- NPI number
- 1669628764
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A152120 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
17 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
5,183 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 | 1,365 | $29 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 1,322 | $38 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 791 | $35 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 433 | $12 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 278 | $84 |
| Microscopic Genetic Analysis of Tumor, Manual88360 | 278 | $42 |
Practice location
Mailing address
Additional practice locations (1)
- 1653 W Congress PkwyChicago, IL 60612-3833Phone: (312) 942-5260
Registry dates
- Enumerated
- 2008-08-08
- Last updated
- 2018-03-17
Frequently asked questions
- What is Leonidas Arvanitis's NPI number?
- Leonidas Arvanitis's National Provider Identifier (NPI) is 1669628764, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonidas Arvanitis's specialty?
- Leonidas Arvanitis is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Leonidas Arvanitis located?
- Leonidas Arvanitis's practice location on file with NPPES is 1500 Duarte Rd, Duarte, CA 91010-3012.
- What is Leonidas Arvanitis's phone number?
- The practice phone number listed in the NPPES registry for Leonidas Arvanitis is (626) 256-4673.
- Does Leonidas Arvanitis accept Medicare?
- Leonidas Arvanitis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leonidas Arvanitis's NPI active?
- Yes — Leonidas Arvanitis's NPI (1669628764) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.