Gregg Cohan, M.D.
NPI 1316943442 · Pulmonary Disease Physician · Joliet, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregg Cohan, M.D. is a Pulmonary Disease Physician provider in Joliet, IL (NPI 1316943442).
Provider details
- NPI number
- 1316943442
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease 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
20 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
- 2005-06-23
- Last updated
- 2007-09-27
Frequently asked questions
- What is Gregg Cohan's NPI number?
- Gregg Cohan's National Provider Identifier (NPI) is 1316943442, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregg Cohan's specialty?
- Gregg Cohan is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Gregg Cohan located?
- Gregg Cohan's practice location on file with NPPES is 3045 Theodore St, Joliet, IL 60435-5191.
- What is Gregg Cohan's phone number?
- The practice phone number listed in the NPPES registry for Gregg Cohan is (815) 577-5223.
- Does Gregg Cohan accept Medicare?
- Gregg Cohan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregg Cohan's NPI active?
- Yes — Gregg Cohan's NPI (1316943442) is active in the NPPES registry as of the last update on 2007-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.