Diane Helen Zug, MD
Family Medicine Physician · Rockford, IL
Diane Helen Zug, MD is a family medicine physician with a practice address in Rockford, Illinois, and NPI 1578596227, issued on Jul 8, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Diane Helen Zug
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- Practice location
- 6830 Villagreen VW, Rockford, IL 61107
- Phone
- (815) 282-1339
- Enumerated
- Jul 8, 2006
- Record last updated
- Jan 28, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (815) 282-1298
- Medicare enrollment
- Enrolled (PECOS I20180710002281); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 6830 Villagreen VW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Wendy Demler, APNNurse Practitioner1023533122
- William Kobler, MDFamily Medicine Physician1588693626
- Christine Larson, PAPhysician Assistant1285668723
- Mark Schneider, MDInternal Medicine Physician1265464895
- Ellissa Schwartz, PHYSICIAN ASSISTANTPhysician Assistant1003029224
Verify Diane Helen Zug in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% more Medicare Part D claims than the average family medicine physician in 2024
4,409 Medicare Part D claims for 379 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 218 claims were for opioids.
Most prescribed
- Levothyroxine Sodium301 claims
- Atorvastatin Calcium248 claims
- Lisinopril182 claims
- Losartan Potassium176 claims
- Amlodipine Besylate155 claims
- Omeprazole126 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
- Banner Health Physicians Colorado LLCFort Collins, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diane Helen Zug among 6,215 family medicine physician records in Illinois
Diane Helen Zug, MD is one of 6,215 family medicine physician records with a practice address in Illinois. 78% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2000 · median 2006 among the 3,714 with a school on file
- Record last updated2008 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
145 family medicine physician records list a practice address in Rockford
They are 145 of the 3,893 NPPES records with a practice address in Rockford, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Rockford → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Diana Alanis, MDRockford, IL 611071922007418
- Joy Deleoz, MDRockford, IL 611071083697171
- Steven Diamond, MDRockford, IL 611071861481244
- Chantal Girod, MDRockford, IL 611071881620383
- John Holtan, MDRockford, IL 611071831127224
- William Kobler, MDRockford, IL 611071588693626
- Steven Lidvall, MDRockford, IL 611071013946649
- Arpana Mathur, MDRockford, IL 611071023090560
Common questions
What is Diane Helen Zug, MD's NPI number?
Diane Helen Zug, MD's National Provider Identifier (NPI) is 1578596227, issued on Jul 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Diane Helen Zug, MD located?
The NPPES record lists a practice address at 6830 Villagreen VW, Rockford, IL, 61107. Phone: (815) 282-1339. Providers update this record themselves, so call before visiting.
How can I verify Diane Helen Zug, MD's license?
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 Diane Helen Zug, MD prescribe under Medicare Part D?
In 2024, Diane Helen Zug, MD had 4,409 Medicare Part D claims for 379 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.