Leah Ratner, MD
NPI 1457779357 · Internal Medicine Physician · Washington, DC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leah Ratner, MD is a Internal Medicine Physician provider in Washington, DC (NPI 1457779357).
Provider details
- NPI number
- 1457779357
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 274046 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (2)
- 300 Longwood AveBoston, MA 02115Phone: (617) 355-6000
- 75 Francis StBoston, MA 02115Phone: (617) 732-5500
Registry dates
- Enumerated
- 2014-03-29
- Last updated
- 2024-04-03
- Certified
- 2024-04-03
Frequently asked questions
- What is Leah Ratner's NPI number?
- Leah Ratner's National Provider Identifier (NPI) is 1457779357, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leah Ratner's specialty?
- Leah Ratner is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Leah Ratner located?
- Leah Ratner's practice location on file with NPPES is 1627 I St Nw Ste 800, Washington, DC 20006-4088.
- What is Leah Ratner's phone number?
- The practice phone number listed in the NPPES registry for Leah Ratner is (202) 204-7092.
- Does Leah Ratner accept Medicare?
- Leah Ratner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leah Ratner's NPI active?
- Yes — Leah Ratner's NPI (1457779357) is active in the NPPES registry as of the last update on 2024-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.