Mara Fernandez-Santiago, MD
NPI 1235493867 · Anatomic Pathology & Clinical Pathology Physician · Columbus, OH
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mara Fernandez-Santiago, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Columbus, OH (NPI 1235493867).
Provider details
- NPI number
- 1235493867
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 75160 (WI)
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
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
4,842 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 | 3,264 | $66 |
| Special Stained Specimen Slides to Identify Organisms Including Interpretation and Report88312 | 761 | $100 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 729 | $74 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 46 | $50 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 27 | $57 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-06-28
- Last updated
- 2024-05-21
- Certified
- 2024-05-21
Frequently asked questions
- What is Mara Fernandez-Santiago's NPI number?
- Mara Fernandez-Santiago's National Provider Identifier (NPI) is 1235493867, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mara Fernandez-Santiago's specialty?
- Mara Fernandez-Santiago is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Mara Fernandez-Santiago located?
- Mara Fernandez-Santiago's practice location on file with NPPES is 3400 Olentangy River Rd, Columbus, OH 43202-1523.
- What is Mara Fernandez-Santiago's phone number?
- The practice phone number listed in the NPPES registry for Mara Fernandez-Santiago is (414) 805-3666.
- Does Mara Fernandez-Santiago accept Medicare?
- Mara Fernandez-Santiago is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mara Fernandez-Santiago's NPI active?
- Yes — Mara Fernandez-Santiago's NPI (1235493867) is active in the NPPES registry as of the last update on 2024-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.