Katherine Lyn Dorwaldt
Psychiatric/Mental Health Nurse Practitioner · Freeport, IL
Katherine Lyn Dorwaldt is a psychiatric/mental health nurse practitioner with a practice address in Freeport, Illinois, and NPI 1386100295, issued on Feb 15, 2019. Check the license (Illinois 209.026811, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Lyn Dorwaldt
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License numbers
- 209.026811 IL
041467898 IL
Self-reported in NPPES; status is on the state search - Practice location
- 133 N Sunset Ave, Freeport, IL 61032
- Phone
- (815) 347-0884
- Enumerated
- Feb 15, 2019
- Record last updated
- Mar 21, 2023
- Medicare enrollment
- Enrolled (PECOS I20230825002309); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 1,530 in Illinois → Look up another NPI →
Verify Katherine Lyn Dorwaldt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209.026811Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% more Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
1,056 Medicare Part D claims for 138 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Clonazepam104 claims
- Alprazolam103 claims
- Bupropion Xl78 claims
- Trazodone Hcl71 claims
- Sertraline Hcl63 claims
- Duloxetine Hcl55 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.
Industry payments in 2024: $84.81
4 payments; by number, the most common kind was food and beverage; the largest payer was Alkermes, Inc. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Rockford Psychiatric Medical Services SCBarrington, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Lyn Dorwaldt among 1,530 psychiatric/mental health nurse practitioner records in Illinois
Katherine Lyn Dorwaldt is one of 1,530 psychiatric/mental health nurse practitioner records with a practice address in Illinois. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 31% of them.
- NPI issued2019 · 31% of these records are older, 64% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2022 · median 2021 among the 917 with a school on file
- Record last updated2023 · 17% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 psychiatric/mental health nurse practitioner records list a practice address in Freeport
They are 5 of the 480 NPPES records with a practice address in Freeport, and 1,530 psychiatric/mental health nurse practitioner records in Illinois.
All 1,530 in Illinois → Every provider in Freeport → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Angela Heuerman, APRNFreeport, IL 610321669721213
- Suzette IsokpunwuFreeport, IL 610321942099486
- Emma KirkhamFreeport, IL 610321467389411
- Lynne SchweppeFreeport, IL 610321821391640
- Amanda KriebsGalena, IL 610361346714755
- Darcy AkinsDixon, IL 610211649062118
- Linda Clemen, NPDixon, IL 610211437924305
- Melanie Hazelwood, RNDixon, IL 610211700583572
Common questions
What is Katherine Lyn Dorwaldt's NPI number?
Katherine Lyn Dorwaldt's National Provider Identifier (NPI) is 1386100295, issued on Feb 15, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Lyn Dorwaldt located?
The NPPES record lists a practice address at 133 N Sunset Ave, Freeport, IL, 61032. Phone: (815) 347-0884. Providers update this record themselves, so call before visiting.
How can I verify Katherine Lyn Dorwaldt's license?
NPPES lists Illinois license number 209.026811, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Lyn Dorwaldt prescribe under Medicare Part D?
In 2024, Katherine Lyn Dorwaldt had 1,056 Medicare Part D claims for 138 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.