Robert Longo, MD
NPI 1265437230 · Internal Medicine Physician · Long Grove, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Longo, MD is a Internal Medicine Physician provider in Long Grove, IL (NPI 1265437230).
Provider details
- NPI number
- 1265437230
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036089997 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2005-06-16
- Last updated
- 2023-03-07
- Certified
- 2021-12-17
Frequently asked questions
- What is Robert Longo's NPI number?
- Robert Longo's National Provider Identifier (NPI) is 1265437230, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Longo's specialty?
- Robert Longo is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Longo located?
- Robert Longo's practice location on file with NPPES is 3880 Salem Lake Dr, Long Grove, IL 60047-5292.
- What is Robert Longo's phone number?
- The practice phone number listed in the NPPES registry for Robert Longo is (847) 719-2220.
- Does Robert Longo accept Medicare?
- Robert Longo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Longo's NPI active?
- Yes — Robert Longo's NPI (1265437230) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.