REBECA ESTHER VERGARA GREENO MD
NPI 1669167839
Internal Medicine in Boston, MA
About Rebeca Esther Vergara Greeno Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
REBECA ESTHER VERGARA GREENO MD (NPI 1669167839) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (1015745) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Rebeca Esther Vergara Greeno 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 Rebeca Vergara Greeno reassigns Medicare billing to 3 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
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 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.
Physician 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.
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
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 Rebeca Vergara Greeno's NPI number?
The NPI number for Rebeca Vergara Greeno is 1669167839. It was assigned to this individual provider in the NPPES registry on April 5, 2023.
Where is Rebeca Vergara Greeno located?
Rebeca Vergara Greeno practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 724-3874.
What is Rebeca Vergara Greeno's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Rebeca Vergara Greeno enrolled in Medicare?
Yes. Rebeca Vergara Greeno 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 Rebeca Vergara Greeno's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rebeca Vergara Greeno reassigns Medicare benefits to 3 organizations: The General Hospital Corporation (Boston, MA), Massachusetts General Physicians Organization Inc (Boston, MA) and Brigham & Womens 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 Rebeca Vergara Greeno's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Rebeca Vergara Greeno was last updated on September 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 57 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.
# Rebeca Esther Vergara Greeno, MD · NPI 1669167839
Internal Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since April 5, 2023.
## Identity
- **NPI:** 1669167839 (Entity type: Individual)
- **Enumerated:** April 5, 2023
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 1015745 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT ST, Boston, MA 02114-2621
- **Phone:** (617) 724-3874
## 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): The General Hospital Corporation (NPI 1023049236, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** September 11, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1669167839) · Data from the CMS NPPES public registry.