J I FRANK, MD, SC
NPI 1790213338
Psychiatry & Neurology - Neurology in Buffalo Grove, IL
About J I Frank, Md, Sc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
J I FRANK, MD, SC (NPI 1790213338) is a healthcare organization registered as a neurology in Buffalo Grove, Illinois and active in the NPI registry since May 2017. The organization lists Jeffrey Isidore Frank, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
J I Frank, Md, Sc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to J I Frank, MD, Sc, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 J I Frank, MD, Sc's NPI number?
The NPI number for J I Frank, MD, Sc is 1790213338. It was assigned to this organization in the NPPES registry on May 26, 2017.
Where is J I Frank, MD, Sc located?
J I Frank, MD, Sc is located at 355 W Dundee Rd Ste 110, Buffalo Grove, IL 60089. The listed phone number is (773) 612-8399.
What is J I Frank, MD, Sc's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is J I Frank, MD, Sc enrolled in Medicare?
Yes. J I Frank, MD, Sc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through J I Frank, MD, Sc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Neurology) reassigns their Medicare billing to J I Frank, MD, Sc. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for J I Frank, MD, Sc was last updated on May 26, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# J I Frank, Md, Sc · NPI 1790213338
Neurology organization in Buffalo Grove, Illinois. Organization record, active in the CMS NPPES registry since May 26, 2017.
## Identity
- **NPI:** 1790213338 (Entity type: Organization)
- **Enumerated:** May 26, 2017
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **Organization subpart:** No
- **Authorized official:** Jeffrey Frank, PRESIDENT
## Practice location
- **Address:** 355 W DUNDEE RD STE 110, Buffalo Grove, IL 60089-3500
- **Phone:** (773) 612-8399 · **Fax:** (847) 520-0500
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Neurology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 26, 2017
---
Source: [NPI Profile](https://npiprofile.com/npi/1790213338) · Data from the CMS NPPES public registry.