DR. IRENE GRAZIANI MD, PHD
NPI 1043516396
Internal Medicine in Long Grove, IL
About Dr. Irene Graziani Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. IRENE GRAZIANI MD, PHD (NPI 1043516396) is an individual internal medicine provider in Long Grove, Illinois, licensed in Illinois (036131271) and active in the NPI registry since February 2011. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 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 (PECOS)
Dr. Irene Graziani Md, Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
7Medicare enrollment records show Irene Graziani reassigns Medicare billing to 7 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
Freeport, IL 61032
- Reassigned Medicare billing, Illinois enrollment
- 478 clinicians in this Medicare group
Bridgeton, MO 63044
- Reassigned Medicare billing, Illinois enrollment
- 419 clinicians in this Medicare group
Belmond, IA 50421
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1821122623 (Iowa)
- 192 clinicians in this Medicare group
Clarion, IA 50525
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1821045451 (Iowa)
- 166 clinicians in this Medicare group
Dover Foxcroft, ME 04426
- Reassigned Medicare billing, Maine enrollment
- 146 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.
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 Irene Graziani's NPI number?
The NPI number for Irene Graziani is 1043516396. It was assigned to this individual provider in the NPPES registry on February 3, 2011.
Where is Irene Graziani located?
Irene Graziani practices at 3880 Salem Lake Dr Ste F, Long Grove, IL 60047. The listed phone number is (847) 719-2220.
What is Irene Graziani's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Irene Graziani enrolled in Medicare?
Yes. Irene Graziani is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Irene Graziani's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Irene Graziani reassigns Medicare benefits to 7 organizations: Best Practices Inpatient Care, Ltd. (Barrington, IL), Rockford Health Physicians (Rockford, IL), Freeport Memorial Hospital (Freeport, IL), Sound Physicians Of Illinois, LLC (Bridgeton, MO), Belmond Community Hospital (Belmond, IA) and 2 more organizations, listed in the Medicare section above. 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 Irene Graziani'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 Irene Graziani was last updated on October 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Irene Graziani, MD, PHD · NPI 1043516396
Internal Medicine physician in Long Grove, Illinois. Individual provider, active in the CMS NPPES registry since February 3, 2011.
## Identity
- **NPI:** 1043516396 (Entity type: Individual)
- **Enumerated:** February 3, 2011
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 036131271 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 3880 SALEM LAKE DR, STE F, Long Grove, IL 60047-5292
- **Phone:** (847) 719-2220 · **Fax:** (847) 719-2265
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Best Practices Inpatient Care, Ltd. (NPI 1073549713, Barrington, IL); Rockford Health Physicians (NPI 1043242886, Rockford, IL); Freeport Memorial Hospital (NPI 1447228788, Freeport, IL); Sound Physicians Of Illinois, LLC (NPI 1043598865, Bridgeton, MO); Belmond Community Hospital (NPI 1932142726, Belmond, IA); and 2 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 5, 2023
- **Other identifiers:** Medicaid 036131271 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1043516396) · Data from the CMS NPPES public registry.