Janani Rangaswami, MD
NPI 1275748626 · Nephrology Physician · Washington, DC
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Janani Rangaswami, MD is a Nephrology Physician provider in Washington, DC (NPI 1275748626).
Provider details
- NPI number
- 1275748626
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD049393 (DC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$9,953 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-11
- Last updated
- 2021-07-12
- Certified
- 2021-07-12
Frequently asked questions
- What is Janani Rangaswami's NPI number?
- Janani Rangaswami's National Provider Identifier (NPI) is 1275748626, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janani Rangaswami's specialty?
- Janani Rangaswami is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Janani Rangaswami located?
- Janani Rangaswami's practice location on file with NPPES is 2150 Pennsylvania Ave Nw, Washington, DC 20037-3201.
- What is Janani Rangaswami's phone number?
- The practice phone number listed in the NPPES registry for Janani Rangaswami is (202) 677-6333.
- Does Janani Rangaswami accept Medicare?
- Janani Rangaswami is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Janani Rangaswami's NPI active?
- Yes — Janani Rangaswami's NPI (1275748626) is active in the NPPES registry as of the last update on 2021-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.