Katherine Merila
Nurse Practitioner · Morton, IL
Katherine Merila is a nurse practitioner with a practice address in Morton, Illinois, and NPI 1083168447, issued on Aug 15, 2016. Check the license (Illinois 209014554, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Merila
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 209014554 IL
Self-reported in NPPES; status is on the state search - Practice location
- 435 Maxine Drive Suite #4, Morton, IL 61550
- Phone
- (309) 263-2424
- Enumerated
- Aug 15, 2016
- Record last updated
- Oct 24, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (309) 284-2244
- Medicare enrollment
- Enrolled (PECOS I20160914000011); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 435 Maxine Drive Suite #4
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer VisseringNurse Practitioner1770983181
Verify Katherine Merila in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209014554Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average nurse practitioner in 2024
3,274 Medicare Part D claims for 566 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 117 claims were for opioids.
Most prescribed
- Atorvastatin Calcium213 claims
- Lisinopril168 claims
- Amlodipine Besylate165 claims
- Levothyroxine Sodium159 claims
- Omeprazole139 claims
- Gabapentin97 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
- Osf Multi-Specialty GroupMorton, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
11 nurse practitioner records list a practice address in Morton
They are 11 of the 221 NPPES records with a practice address in Morton, and 4,892 nurse practitioner records in Illinois.
All 11 in Morton → All 4,892 in Illinois → Every provider in Morton →
Other nurse practitioner records in Illinois
- Janice Abadilla, FNP-BCPeoria, IL1548157175
- Philomena AbebePark Ridge, IL1902780174
- Milagros Abellera, APNChicago, IL1528076239
- Edwina Abloh, APN-CNPSkokie, IL1689314098
- Sandra Abraham, CNPDwight, IL1982883245
- Sharon Abraham, APN-CNPArlington Heights, IL1396485884
- Hazel Acacio, APNPWauconda, IL1205471679
- Anthony Aceto, APRN, FNP-CSchaumburg, IL1891302956
- Francisco Acevedo, APRN, CNPMokena, IL1467446930
- Mina Acevedo, APRNGlenview, IL1972174688
Common questions
What is Katherine Merila's NPI number?
Katherine Merila's National Provider Identifier (NPI) is 1083168447, issued on Aug 15, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Merila located?
The NPPES record lists a practice address at 435 Maxine Drive Suite #4, Morton, IL, 61550. Phone: (309) 263-2424. Providers update this record themselves, so call before visiting.
How can I verify Katherine Merila's license?
NPPES lists Illinois license number 209014554, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Merila prescribe under Medicare Part D?
In 2024, Katherine Merila had 3,274 Medicare Part D claims for 566 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.