DR. GARY I KAUFMAN M.D.
NPI 1447252457
Internal Medicine in Chicago, IL
About Dr. Gary I Kaufman M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GARY I KAUFMAN M.D. (NPI 1447252457) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036-098702) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Mt Sinai Hospital Medical Center, and is a graduate of Rush Medical College Of Rush University (1996).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Gary I Kaufman M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Gary Kaufman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60608
- Reassigned Medicare billing, Illinois enrollment
- 646 clinicians in this Medicare group
Chicago, IL 60612
- Reassigned Medicare billing, Illinois enrollment
- Also billed through NPI 1982824660 (Illinois)
- 2,127 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mt Sinai Hospital Medical Center
Acute Care Hospitals · Chicago, ILUniversity Of Illinois Hospital And Clinics
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60608 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO, IL 60608
CHICAGO, IL 60608
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 Gary Kaufman's NPI number?
The NPI number for Gary Kaufman is 1447252457. It was assigned to this individual provider in the NPPES registry on August 10, 2005.
Where is Gary Kaufman located?
Gary Kaufman practices at 1501 S California Ave, Chicago, IL 60608. The listed phone number is (773) 257-6770.
What is Gary Kaufman's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Gary Kaufman enrolled in Medicare?
Yes. Gary Kaufman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Gary Kaufman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gary Kaufman reassigns Medicare benefits to 2 organizations: Mount Sinai Community Foundation (Chicago, IL) and The Board Of Trustees Of The University Of Illinois (Chicago, IL). Each 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 Gary Kaufman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gary Kaufman accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Gary Kaufman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Gary Kaufman affiliated with any hospitals?
According to CMS data, Gary Kaufman is affiliated with Mt Sinai Hospital Medical Center and University Of Illinois Hospital And Clinics.
When was this NPI record last updated?
The NPPES record for Gary Kaufman was last updated on October 5, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Dr. Gary I Kaufman, M.D. · NPI 1447252457
Internal Medicine physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since August 10, 2005.
## Identity
- **NPI:** 1447252457 (Entity type: Individual)
- **Enumerated:** August 10, 2005
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 036-098702 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1501 S CALIFORNIA AVE, Chicago, IL 60608-1732
- **Phone:** (773) 257-6770
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Mount Sinai Community Foundation (NPI 1104858125, Chicago, IL); The Board Of Trustees Of The University Of Illinois (NPI 1215156344, Chicago, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rush Medical College Of Rush University, class of 1996
## Record status
- **NPPES last updated:** October 5, 2011
- **Other identifiers:** Medicare UPIN H29000 (IL); Medicare ID-Type Unspecified L82812/357801 (IL); Medicaid 036-098702-1 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1447252457) · Data from the CMS NPPES public registry.