DR. MARIO AFFINATI M.D.
NPI 1952461238
Internal Medicine in Long Grove, IL
About Dr. Mario Affinati M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARIO AFFINATI M.D. (NPI 1952461238) is an individual internal medicine provider in Long Grove, Illinois, licensed in Illinois (036091838) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1990).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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. Mario Affinati 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
3Medicare enrollment records show Mario Affinati reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Barrington, IL 60011
- Reassigned Medicare billing, Illinois enrollment
- 155 clinicians in this Medicare group
Rockford, IL 61114
- Reassigned Medicare billing, Illinois enrollment
- 1,375 clinicians in this Medicare group
Wildomar, CA 92595
- Reassigned Medicare billing, California enrollment
- 69 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60047 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.
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 Mario Affinati's NPI number?
The NPI number for Mario Affinati is 1952461238. It was assigned to this individual provider in the NPPES registry on December 9, 2006.
Where is Mario Affinati located?
Mario Affinati practices at 3880 Salem Lake Dr F, Long Grove, IL 60047. The listed phone number is (847) 719-2220.
What is Mario Affinati's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Mario Affinati enrolled in Medicare?
Yes. Mario Affinati 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 Mario Affinati's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mario Affinati reassigns Medicare benefits to 3 organizations: Best Practices Inpatient Care, Ltd. (Barrington, IL), Rockford Health Physicians (Rockford, IL) and Acute Care Associates Of California PC (Wildomar, CA). 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 Mario Affinati'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 Mario Affinati was last updated on November 7, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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. Mario Affinati, M.D. · NPI 1952461238
Internal Medicine physician in Long Grove, Illinois. Individual provider, active in the CMS NPPES registry since December 9, 2006.
## Identity
- **NPI:** 1952461238 (Entity type: Individual)
- **Enumerated:** December 9, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 036091838 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 3880 SALEM LAKE DR, F, Long Grove, IL 60047-5292
- **Phone:** (847) 719-2220 · **Fax:** (847) 719-2265
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Best Practices Inpatient Care, Ltd. (NPI 1073549713, Barrington, IL); Rockford Health Physicians (NPI 1043242886, Rockford, IL); Acute Care Associates Of California PC (NPI 1194588392, Wildomar, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1990
## Record status
- **NPPES last updated:** November 7, 2013
- **Other identifiers:** Medicare UPIN G38066
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Source: [NPI Profile](https://npiprofile.com/npi/1952461238) · Data from the CMS NPPES public registry.