MARIANNE I DEMARCO MD
NPI 1619981727
Pathology - Clinical Pathology/Laboratory Medicine in Bennington, VT
About Marianne I Demarco Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIANNE I DEMARCO MD (NPI 1619981727) is an individual clinical pathology/laboratory medicine provider in Bennington, Vermont, licensed in Vermont (042-0010368) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Beth Israel Deaconess Hospital Plymouth, and is a graduate of Other (1992).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Marianne I Demarco Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Marianne Demarco reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 74 clinicians in this Medicare group
Milton, MA 02186
- Reassigned Medicare billing, Massachusetts enrollment
- 14 clinicians in this Medicare group
Plymouth, MA 02360
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1194263186 (Massachusetts)
- 239 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 14
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Beth Israel Deaconess Hospital Plymouth
Acute Care Hospitals · Plymouth, MABeth Israel Deaconess Hospital - Needham
Acute Care Hospitals · Needham, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 05201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BENNINGTON, VT 05201
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Marianne Demarco's NPI number?
The NPI number for Marianne Demarco is 1619981727. It was assigned to this individual provider in the NPPES registry on July 27, 2006.
Where is Marianne Demarco located?
Marianne Demarco practices at 100 Hospital Dr, Bennington, VT 05201. The listed phone number is (802) 442-6361.
What is Marianne Demarco's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology/Laboratory Medicine, with taxonomy code 207ZP0105X.
Is Marianne Demarco enrolled in Medicare?
Yes. Marianne Demarco is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Marianne Demarco's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marianne Demarco reassigns Medicare benefits to 3 organizations: Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA), Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is (Milton, MA) and Jordan Physician Associates, Inc. (Plymouth, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marianne Demarco's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marianne Demarco accept?
Health plans from Taro Health list Marianne Demarco as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Marianne Demarco affiliated with any hospitals?
According to CMS data, Marianne Demarco is affiliated with Beth Israel Deaconess Hospital Plymouth and Beth Israel Deaconess Hospital - Needham.
When was this NPI record last updated?
The NPPES record for Marianne Demarco was last updated on October 13, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Marianne I Demarco, MD · NPI 1619981727
Clinical Pathology/Laboratory Medicine physician in Bennington, Vermont. Individual provider, active in the CMS NPPES registry since July 27, 2006.
## Identity
- **NPI:** 1619981727 (Entity type: Individual)
- **Enumerated:** July 27, 2006
- **Primary specialty:** Pathology - Clinical Pathology/Laboratory Medicine · taxonomy 207ZP0105X
- **State license:** 042-0010368 (Vermont)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 HOSPITAL DR, Bennington, VT 05201-5004
- **Phone:** (802) 442-6361 · **Fax:** (802) 447-5609
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (NPI 1346281938, Boston, MA); Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is (NPI 1336781301, Milton, MA); Jordan Physician Associates, Inc. (NPI 1538145131, Plymouth, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1992
## Record status
- **NPPES last updated:** October 13, 2010
- **Other identifiers:** Medicare ID-Type Unspecified VN2949 (VT); Medicaid 1008856 (VT); Medicare UPIN G47456
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Source: [NPI Profile](https://npiprofile.com/npi/1619981727) · Data from the CMS NPPES public registry.