A Tomas, M.D.
NPI 1669423695 · Anatomic Pathology & Clinical Pathology Physician · Ottawa, IL
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
A Tomas, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Ottawa, IL (NPI 1669423695).
Provider details
- NPI number
- 1669423695
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
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
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,514 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 | 1,077 | $34 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 72 | $11 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 68 | $26 |
| Preparation of Tissue for Examination By Removing Any Calcium Present88311 | 59 | $11 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 49 | $75 |
| Evaluation of Fine Needle Aspirate With Interpretation and Report88173 | 45 | $64 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-15
- Last updated
- 2008-01-23
Frequently asked questions
- What is A Tomas's NPI number?
- A Tomas's National Provider Identifier (NPI) is 1669423695, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is A Tomas's specialty?
- A Tomas is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is A Tomas located?
- A Tomas's practice location on file with NPPES is 1100 E Norris Dr, Dept of Pathology, Ottawa, IL 61350-1604.
- What is A Tomas's phone number?
- The practice phone number listed in the NPPES registry for A Tomas is (815) 223-4870.
- Does A Tomas accept Medicare?
- A Tomas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is A Tomas's NPI active?
- Yes — A Tomas's NPI (1669423695) is active in the NPPES registry as of the last update on 2008-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.