LEAH RATNER MD
NPI 1457779357
Internal Medicine in Washington, DC

Active since March 29, 2014PECOS Enrolled
1627 I ST NW STE 800, WASHINGTON, DC 20006(202) 204-7092 Get Directions Write a Review

NPPES record last updated: April 3, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 3, 2024, Jul 11, 2019, May 18, 2018 (3 updates tracked since 2018).

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

NPI1457779357
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameLEAH RATNERCredential: MD
Location Address1627 I ST NW STE 800Washington, DC 20006-4088
Mailing Address75 Francis StBoston, MA 02115-6110 · (617) 732-5500
Sole ProprietorYes
Enumeration DateMarch 29, 2014
Last NPPES UpdateApril 3, 20243 updates tracked since enumeration
NPPES CertifiedApril 3, 2024
✔ NPI 1457779357 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 274046
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPediatricsTaxonomy 208000000X · License 274046 (MA)
1627 I ST NW STE 800, Washington, DC 20006

Secondary Practice Locations 2

Location 1300 Longwood AveBoston, MA 02115 · Phone (617) 355-6000
Location 275 Francis StBoston, MA 02115 · Phone (617) 732-5500

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).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare 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.

Internal Medicine
75 FRANCIS ST
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 4,574 clinicians in this Medicare group
Pediatrics
300 LONGWOOD AVE
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.

New Patient
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Family Medicine
1627 I ST NW STE 800
WASHINGTON, DC 20006
Internal Medicine
1627 I ST NW STE 800
WASHINGTON, DC 20006
Family Medicine
1627 I ST NW STE 800
WASHINGTON, DC 20006
Physician Assistant (Medical)
1627 I ST NW STE 800
WASHINGTON, DC 20006
Internal Medicine
1627 I ST NW STE 800
WASHINGTON, DC 20006
Nurse Practitioner (Family)
1627 I ST NW STE 800
WASHINGTON, DC 20006
Physician Assistant
1627 I ST NW STE 800
WASHINGTON, DC 20006
Nurse Practitioner (Family)
1627 I ST NW STE 800
WASHINGTON, DC 20006

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.