Mark A. Rudberg, MD MPH
Internal Medicine Physician · Lake Forest, IL
Mark A. Rudberg, MD MPH is an internal medicine physician with a practice address in Lake Forest, Illinois, and NPI 1295838647, issued on Sep 7, 2006. Check the license (Illinois 036078815, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Mark A. Rudberg
- Credential
- MD MPH
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036078815 IL
Self-reported in NPPES; status is on the state search - Practice location
- 800 N Westmoreland RD, Lake Forest, IL 60045
- Phone
- (847) 234-6363
- Enumerated
- Sep 7, 2006
- Record last updated
- Mar 11, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (847) 234-3233
- Medicare enrollment
- Enrolled (PECOS I20260304001327); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1984
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 800 N Westmoreland RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark A. Rudberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036078815Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,257 Medicare Part D claims for 159 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 20 claims were for opioids.
Most prescribed
- Levothyroxine Sodium191 claims
- Amlodipine Besylate138 claims
- Losartan Potassium109 claims
- Atorvastatin Calcium107 claims
- Eliquis107 claims
- Furosemide83 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Northwest Allied Physicians LLCTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark A. Rudberg among 7,238 internal medicine physician records in Illinois
Mark A. Rudberg, MD MPH is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1984 · median 2003 among the 3,580 with a school on file
- Record last updated2014 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 internal medicine physician records list a practice address in Lake Forest
They are 25 of the 821 NPPES records with a practice address in Lake Forest, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Lake Forest → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Scott Braunlich, M.D.Lake Forest, IL 600451487638904
- Elisabeth Cormier, MDLake Forest, IL 600451891781241
- Jason Garti, M.D.Lake Forest, IL 600451003890500
- Sam Hull, MDLake Forest, IL 600451053319277
- Steven Lasin, MDLake Forest, IL 600451477574945
- Barry Levin, M.D.Lake Forest, IL 600451043324254
- Han Chung NgLake Forest, IL 600451558476622
- Amar Peruri, MDLake Forest, IL 600451184726499
Common questions
What is Mark A. Rudberg, MD MPH's NPI number?
Mark A. Rudberg, MD MPH's National Provider Identifier (NPI) is 1295838647, issued on Sep 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark A. Rudberg, MD MPH located?
The NPPES record lists a practice address at 800 N Westmoreland RD, Lake Forest, IL, 60045. Phone: (847) 234-6363. Providers update this record themselves, so call before visiting.
How can I verify Mark A. Rudberg, MD MPH's license?
NPPES lists Illinois license number 036078815, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark A. Rudberg, MD MPH prescribe under Medicare Part D?
In 2024, Mark A. Rudberg, MD MPH had 2,257 Medicare Part D claims for 159 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.