MS. ELIZABETH BIGGER M.D.
NPI 1780731596
Internal Medicine - Hematology & Oncology in Boston, MA
About Ms. Elizabeth Bigger M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. ELIZABETH BIGGER M.D. (NPI 1780731596) is an individual hematology & oncology provider in Boston, Massachusetts, licensed in Massachusetts (257292) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, is affiliated with St Peters Health, and is a graduate of Duke University School Of Medicine (2006).
NPPES Registry Identity
Specialties & Licenses 2
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
Ms. Elizabeth Bigger M.d. 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
5Medicare enrollment records show Elizabeth Bigger reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Newton, MA 02462
- Reassigned Medicare billing, Massachusetts enrollment
- 992 clinicians in this Medicare group
Chattanooga, TN 37403
- Reassigned Medicare billing, Tennessee enrollment
- 464 clinicians in this Medicare group
Townsend, MT 59644
- Reassigned Medicare billing, Montana enrollment
- Medicare enrollment name: St Peters Health
- 304 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 8
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Peters Health
Acute Care Hospitals · Helena, MTStarr Regional Medical Center Athens
Acute Care Hospitals · Athens, TNMemorial Healthcare System, Inc
Acute Care Hospitals · Chattanooga, TNTennova Health Care-Cleveland
Acute Care Hospitals · Cleveland, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Elizabeth Bigger's NPI number?
The NPI number for Elizabeth Bigger is 1780731596. It was assigned to this individual provider in the NPPES registry on January 4, 2007.
Where is Elizabeth Bigger located?
Elizabeth Bigger practices at 55 Fruit Street Department Of Medicine, Boston, MA 02114. The listed phone number is (732) 241-9074.
What is Elizabeth Bigger's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Elizabeth Bigger enrolled in Medicare?
Yes. Elizabeth Bigger 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 Elizabeth Bigger's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Bigger reassigns Medicare benefits to 5 organizations: The General Hospital Corporation (Boston, MA), Massachusetts General Physicians Organization Inc (Boston, MA), Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, MA), Tennessee Oncology (Chattanooga, TN) and St. Peter's Health (Townsend, MT). 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 Elizabeth Bigger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Elizabeth Bigger accept?
Health plans from Blue Cross and Blue Shield of Montana, BlueCross BlueShield of Tennessee, Cigna Healthcare, Oscar Insurance Company and PacificSource Health Plans and 2 other insurers list Elizabeth Bigger 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 Elizabeth Bigger affiliated with any hospitals?
According to CMS data, Elizabeth Bigger is affiliated with St Peters Health, Starr Regional Medical Center Athens, Memorial Healthcare System, Inc and Tennova Health Care-Cleveland.
When was this NPI record last updated?
The NPPES record for Elizabeth Bigger was last updated on December 9, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.