MONICA THACKER MD
NPI 1043894074
Emergency Medicine in Boston, MA
About Monica Thacker Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MONICA THACKER MD (NPI 1043894074) is an individual emergency medicine provider in Boston, Massachusetts, licensed in Massachusetts (1022832) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
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
Monica Thacker 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
2Medicare enrollment records show Monica Thacker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 clinicians in this Medicare group
Oak Bluffs, MA 02557
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1194866210 (Massachusetts)
- 184 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Brigham And Women's Hospital
Acute Care Hospitals · Boston, MAFaulkner Hospital-Brigham And Women's
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02115 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.
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Monica Thacker's NPI number?
The NPI number for Monica Thacker is 1043894074. It was assigned to this individual provider in the NPPES registry on May 6, 2021.
Where is Monica Thacker located?
Monica Thacker practices at 75 Francis St, Boston, MA 02115. The listed phone number is (617) 732-5500.
What is Monica Thacker's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Monica Thacker enrolled in Medicare?
Yes. Monica Thacker 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 Monica Thacker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Monica Thacker reassigns Medicare benefits to 2 organizations: Brigham & Womens Physicians Organization Inc (Boston, MA) and Martha's Vineyard Hospital, Inc. (Oak Bluffs, 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 Monica Thacker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Monica Thacker accept?
Health plans from Taro Health list Monica Thacker 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 Monica Thacker affiliated with any hospitals?
According to CMS data, Monica Thacker is affiliated with Brigham And Women's Hospital and Faulkner Hospital-Brigham And Women's.
When was this NPI record last updated?
The NPPES record for Monica Thacker was last updated on May 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.
# Monica Thacker, MD · NPI 1043894074
Emergency Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since May 6, 2021.
## Identity
- **NPI:** 1043894074 (Entity type: Individual)
- **Enumerated:** May 6, 2021
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 1022832 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 75 FRANCIS ST, Boston, MA 02115-6110
- **Phone:** (617) 732-5500
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA); Martha's Vineyard Hospital, Inc. (NPI 1134206386, Oak Bluffs, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** May 9, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1043894074) · Data from the CMS NPPES public registry.