CORNELIA LITTLE GRIGGS M.D.
NPI 1629360680
Student in an Organized Health Care Education/Training Program in Boston, MA
About Cornelia Little Griggs M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CORNELIA LITTLE GRIGGS M.D. (NPI 1629360680) is an individual student in an organized health care education/training program in Boston, Massachusetts and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS and maintains a secondary practice location in Boston.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Cornelia Little Griggs M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Cornelia Griggs reassigns Medicare billing to 2 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
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 9
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
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 Cornelia Griggs's NPI number?
The NPI number for Cornelia Griggs is 1629360680. It was assigned to this individual provider in the NPPES registry on May 10, 2011.
Where is Cornelia Griggs located?
Cornelia Griggs practices at 55 Fruit St Dept Of, Boston, MA 02114. The listed phone number is (212) 305-2500.
What is Cornelia Griggs's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Cornelia Griggs enrolled in Medicare?
Yes. Cornelia Griggs is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Cornelia Griggs's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cornelia Griggs reassigns Medicare benefits to 2 organizations: The General Hospital Corporation (Boston, MA) and Massachusetts General Physicians Organization Inc (Boston, 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 Cornelia Griggs's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cornelia Griggs accept?
Health plans from Taro Health list Cornelia Griggs 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.
When was this NPI record last updated?
The NPPES record for Cornelia Griggs was last updated on October 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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.
# Cornelia Little Griggs, M.D. · NPI 1629360680
Student in an Organized Health Care Education/Training Program provider in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since May 10, 2011.
## Identity
- **NPI:** 1629360680 (Entity type: Individual)
- **Enumerated:** May 10, 2011
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT ST DEPT OF, Boston, MA 02114-2621
- **Phone:** (212) 305-2500
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): The General Hospital Corporation (NPI 1023049236, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 23, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1629360680) · Data from the CMS NPPES public registry.