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DR. GREGG R COHAN M.D.
NPI 1316943442
Internal Medicine - Pulmonary Disease in Joliet, IL

Active since June 23, 2005PECOS Enrolled
3045 THEODORE ST, JOLIET, IL 60435(815) 577-5223(815) 436-7103 Get Directions Write a Review

NPPES record last updated: September 27, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Gregg R Cohan M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GREGG R COHAN M.D. (NPI 1316943442) is an individual pulmonary disease provider in Joliet, Illinois and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1316943442
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameDR. GREGG R COHANCredential: M.D.
Location Address3045 THEODORE STJoliet, IL 60435-5191
Mailing Address3045 Theodore StJoliet, IL 60435-5191 · (815) 577-5223 · Fax (815) 436-7103
Phone(815) 577-5223
Fax(815) 436-7103
Sole ProprietorNo
Enumeration DateJune 23, 2005
Last NPPES UpdateSeptember 27, 2007
✔ NPI 1316943442 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
3045 THEODORE ST, Joliet, IL 60435
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Other Identifiers 3

Other09919564IL · Bcbs
OtherP00045417IL · Railroad Medicare
Medicare UPINE18917IL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gregg R Cohan M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Gregg Cohan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Uc Regents
1,706 mi
Allergy & Immunology
101 THE CITY DR S
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 525 clinicians in this Medicare group
NPI 1003864174 (714) 456-8068

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60435 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SOUTHWEST RESPIRATORY ASSOCIATES, LLC
Internal Medicine (Pulmonary Disease)
3045 THEODORE ST
JOLIET, IL 60435
Will County (815) 577-5223

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregg Cohan's NPI number?

The NPI number for Gregg Cohan is 1316943442. It was assigned to this individual provider in the NPPES registry on June 23, 2005.

Where is Gregg Cohan located?

Gregg Cohan practices at 3045 Theodore St, Joliet, IL 60435. The listed phone number is (815) 577-5223.

What is Gregg Cohan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Gregg Cohan enrolled in Medicare?

Yes. Gregg Cohan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gregg Cohan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregg Cohan reassigns Medicare benefits to Uc Regents (Orange, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gregg Cohan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gregg Cohan was last updated on September 27, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.