Marianne Demarco, MD
NPI 1619981727 · Clinical Pathology/Laboratory Medicine Physician · Bennington, VT
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marianne Demarco, MD is a Clinical Pathology/Laboratory Medicine Physician provider in Bennington, VT (NPI 1619981727).
Provider details
- NPI number
- 1619981727
- Entity type
- Individual
- Primary specialty
- Clinical Pathology/Laboratory Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 042-0010368 (VT)
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,428 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 | 1,976 | $36 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 411 | $34 |
| Protein Measurement, Serum84165 | 177 | $17 |
| Preparation of Tissue for Examination By Removing Any Calcium Present88311 | 175 | $12 |
| Immunologic Analysis Technique on Serum (immunofixation)86334 | 168 | $17 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 139 | $27 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-27
- Last updated
- 2010-10-13
Frequently asked questions
- What is Marianne Demarco's NPI number?
- Marianne Demarco's National Provider Identifier (NPI) is 1619981727, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marianne Demarco's specialty?
- Marianne Demarco is listed in the NPPES registry with a primary specialty of Clinical Pathology/Laboratory Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marianne Demarco located?
- Marianne Demarco's practice location on file with NPPES is 100 Hospital Dr, Bennington, VT 05201-5004.
- What is Marianne Demarco's phone number?
- The practice phone number listed in the NPPES registry for Marianne Demarco is (802) 442-6361.
- Does Marianne Demarco accept Medicare?
- Marianne Demarco is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marianne Demarco's NPI active?
- Yes — Marianne Demarco's NPI (1619981727) is active in the NPPES registry as of the last update on 2010-10-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.