MARK A RUDBERG MD MPH
NPI 1295838647
Internal Medicine in Lake Forest, IL
About Mark A Rudberg Md Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK A RUDBERG MD MPH (NPI 1295838647) is an individual internal medicine provider in Lake Forest, Illinois, licensed in Illinois (036078815) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Northwestern Lake Forest Hospital, and is a graduate of Medical College Of Wisconsin (1984).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Mark A Rudberg Md Mph 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 Reassignment
Medicare enrollment records show Mark Rudberg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Tucson, AZ 85704
- Reassigned Medicare billing, Arizona enrollment
- 296 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwestern Lake Forest Hospital
Acute Care Hospitals · Lake Forest, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60045 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.
LAKE FOREST, IL 60045
LAKE FOREST, IL 60045
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 Mark Rudberg's NPI number?
The NPI number for Mark Rudberg is 1295838647. It was assigned to this individual provider in the NPPES registry on September 7, 2006.
Where is Mark Rudberg located?
Mark Rudberg practices at 800 N Westmoreland Rd Ste 101, Lake Forest, IL 60045. The listed phone number is (847) 234-6363.
What is Mark Rudberg's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Mark Rudberg enrolled in Medicare?
Yes. Mark Rudberg 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 organization bills Medicare for Mark Rudberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Rudberg reassigns Medicare benefits to Northwest Allied Physicians LLC (Tucson, AZ). 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 Mark Rudberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Rudberg accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona and UnitedHealthcare list Mark Rudberg 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 Mark Rudberg affiliated with any hospitals?
According to CMS data, Mark Rudberg is affiliated with Northwestern Lake Forest Hospital.
When was this NPI record last updated?
The NPPES record for Mark Rudberg was last updated on March 11, 2014. 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.
# Mark A Rudberg, MD MPH · NPI 1295838647
Internal Medicine physician in Lake Forest, Illinois. Individual provider, active in the CMS NPPES registry since September 7, 2006.
## Identity
- **NPI:** 1295838647 (Entity type: Individual)
- **Enumerated:** September 7, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 036078815 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 800 N WESTMORELAND RD, STE 101, Lake Forest, IL 60045-1687
- **Phone:** (847) 234-6363 · **Fax:** (847) 234-3233
## 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:** Northwest Allied Physicians LLC (NPI 1003833179, Tucson, AZ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Wisconsin, class of 1984
## Record status
- **NPPES last updated:** March 11, 2014
- **Other identifiers:** Medicare UPIN E30871; Medicare ID-Type Unspecified 543350 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1295838647) · Data from the CMS NPPES public registry.