LEAH RATNER MD
NPI 1457779357
Internal Medicine in Washington, DC
About Leah Ratner Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LEAH RATNER MD (NPI 1457779357) is an individual internal medicine provider in Washington, District Of Columbia, licensed in Massachusetts (274046) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 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 (PECOS)
Leah Ratner Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Leah Ratner 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
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 1,358 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 20006 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 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Leah Ratner's NPI number?
The NPI number for Leah Ratner is 1457779357. It was assigned to this individual provider in the NPPES registry on March 29, 2014.
Where is Leah Ratner located?
Leah Ratner practices at 1627 I St NW Ste 800, Washington, DC 20006. The listed phone number is (202) 204-7092.
What is Leah Ratner's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Leah Ratner enrolled in Medicare?
Yes. Leah Ratner is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Leah Ratner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leah Ratner reassigns Medicare benefits to 2 organizations: Brigham & Womens Physicians Organization Inc (Boston, MA) and Children's Hospital Pediatric Associates, 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 Leah Ratner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Leah Ratner accept?
Health plans from Taro Health list Leah Ratner 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 Leah Ratner was last updated on April 3, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.