Ranjit Sigamony, M.D
NPI 1023184983 · Internal Medicine Physician · Oak Forest, IL
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ranjit Sigamony, M.D is a Internal Medicine Physician provider in Oak Forest, IL (NPI 1023184983).
Provider details
- NPI number
- 1023184983
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2006-11-24
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ranjit Sigamony's NPI number?
- Ranjit Sigamony's National Provider Identifier (NPI) is 1023184983, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ranjit Sigamony's specialty?
- Ranjit Sigamony is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ranjit Sigamony located?
- Ranjit Sigamony's practice location on file with NPPES is 15900, S. Cicero Ave,, Oak Forest, IL 60452.
- What is Ranjit Sigamony's phone number?
- The practice phone number listed in the NPPES registry for Ranjit Sigamony is (708) 687-7200.
- Does Ranjit Sigamony accept Medicare?
- Ranjit Sigamony is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ranjit Sigamony's NPI active?
- Yes — Ranjit Sigamony's NPI (1023184983) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.