Melissa Anna Maria Zak, DO
Family Medicine Physician · Monticello, IL
Melissa Anna Maria Zak, DO is a family medicine physician with a practice address in Monticello, Illinois, and NPI 1760132492, issued on Mar 25, 2022. Check the license (Illinois 036176293, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Melissa Anna Maria Zak
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 036176293 IL
81431-21 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1002 Medical Center Dr, Monticello, IL 61856
- Phone
- (217) 762-2518
- Enumerated
- Mar 25, 2022
- Record last updated
- Sep 4, 2025
- Fax
- (217) 762-5261
- Medicare enrollment
- Enrolled (PECOS I20250814001414); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 1002 Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christy Barre, NPNurse Practitioner1659451235
- Felicia Clark, PA-CPhysician Assistant1215556055
- Douglas Ellis, MDFamily Medicine Physician1992790786
- William Lanker, MDEmergency Medicine Physician1568429009
- Ann Marty, MDFamily Medicine Physician1215958905
- Danny McFarlin, PAPhysician Assistant1538139225
Verify Melissa Anna Maria Zak 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 036176293Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average family medicine physician in 2024
239 Medicare Part D claims for 46 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.
Most prescribed
- Atorvastatin Calcium17 claims
- Metoprolol Tartrate13 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
- Carle Health Care IncorporatedMonticello, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Melissa Anna Maria Zak among 6,215 family medicine physician records in Illinois
Melissa Anna Maria Zak, DO 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 2022, is newer than 87% of them.
- NPI issued2022 · 87% of these records are older, 9% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2022 · median 2006 among the 3,714 with a school on file
- Record last updated2025 · 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).
12 family medicine physician records list a practice address in Monticello
They are 12 of the 104 NPPES records with a practice address in Monticello, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Monticello → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Glen Dust, M.D.Monticello, IL 618561477555738
- Douglas Ellis, MDMonticello, IL 618561992790786
- Lauren Fore, M.D.Monticello, IL 618561609216548
- Mitchell Hammel, MDMonticello, IL 618561679914675
- Evelyn Huang, MDMonticello, IL 618561295152205
- James Manint, D.O.Monticello, IL 618561376534420
- Ann Marty, MDMonticello, IL 618561215958905
- Alina Paul, MDMonticello, IL 618561225182702
Common questions
What is Melissa Anna Maria Zak, DO's NPI number?
Melissa Anna Maria Zak, DO's National Provider Identifier (NPI) is 1760132492, issued on Mar 25, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Melissa Anna Maria Zak, DO located?
The NPPES record lists a practice address at 1002 Medical Center Dr, Monticello, IL, 61856. Phone: (217) 762-2518. Providers update this record themselves, so call before visiting.
How can I verify Melissa Anna Maria Zak, DO's license?
NPPES lists Illinois license number 036176293, 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 Melissa Anna Maria Zak, DO prescribe under Medicare Part D?
In 2024, Melissa Anna Maria Zak, DO had 239 Medicare Part D claims for 46 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.