Marissa L. Frost, APRN, CNP
Family Nurse Practitioner · Dixon, IL
Marissa L. Frost, APRN, CNP is a family nurse practitioner with a practice address in Dixon, Illinois, and NPI 1639786270, issued on Sep 28, 2020. Check the license (Illinois 209.022022, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marissa L. Frost
- Credential
- APRN, CNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 209.022022 IL
Self-reported in NPPES; status is on the state search - Practice location
- 102 S Hennepin Ave, Dixon, IL 61021
- Phone
- (815) 288-7711
- Enumerated
- Sep 28, 2020
- Record last updated
- Dec 11, 2024
- Fax
- (815) 285-8903
- Medicare enrollment
- Enrolled (PECOS I20201120001356); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →
Also registered at 102 S Hennepin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Xaviera Brierre, MDFamily Medicine Physician1528909330
- Alexandra Buckwalter, MDFamily Medicine Physician1750138939
- Lisa Denobriga, M.D.Student in an Organized Health Care Education/Training Program1205088671
- Michael Greer, MDFamily Medicine Physician1427542067
Verify Marissa L. Frost in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209.022022Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% more Medicare Part D claims than the average family nurse practitioner in 2024
1,872 Medicare Part D claims for 155 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 40 claims were for opioids.
Most prescribed
- Atorvastatin Calcium110 claims
- Lisinopril83 claims
- Amlodipine Besylate77 claims
- Omeprazole75 claims
- Levothyroxine Sodium68 claims
- Cyclobenzaprine Hcl52 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 82.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Osf Multi-Specialty GroupDixon, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marissa L. Frost among 7,639 family nurse practitioner records in Illinois
Marissa L. Frost, APRN, CNP is one of 7,639 family nurse practitioner 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 2020, is newer than 59% of them.
- NPI issued2020 · 59% of these records are older, 35% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2020 · median 2018 among the 4,778 with a school on file
- Record last updated2024 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 family nurse practitioner records list a practice address in Dixon
They are 17 of the 693 NPPES records with a practice address in Dixon, and 7,639 family nurse practitioner records in Illinois.
All 7,639 in Illinois → Every provider in Dixon → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Stephanie Berlin, APRNDixon, IL 610211639786288
- Misty Buskohl, APRN, CNPDixon, IL 610211417552092
- Taylor Carroll, APRN, CNPDixon, IL 610211578048377
- Maggie Connors, APNDixon, IL 610211609474097
- Sara FordhamDixon, IL 610211871141465
- Chris Herbert, FNPDixon, IL 610211760022180
- Jacqueline KeckDixon, IL 610211326411539
- Ann Lee, FNPDixon, IL 610211508414756
Common questions
What is Marissa L. Frost, APRN, CNP's NPI number?
Marissa L. Frost, APRN, CNP's National Provider Identifier (NPI) is 1639786270, issued on Sep 28, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Marissa L. Frost, APRN, CNP located?
The NPPES record lists a practice address at 102 S Hennepin Ave, Dixon, IL, 61021. Phone: (815) 288-7711. Providers update this record themselves, so call before visiting.
How can I verify Marissa L. Frost, APRN, CNP's license?
NPPES lists Illinois license number 209.022022, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Marissa L. Frost, APRN, CNP prescribe under Medicare Part D?
In 2024, Marissa L. Frost, APRN, CNP had 1,872 Medicare Part D claims for 155 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Marissa L. Frost, APRN, CNP's MIPS final score?
The 2023 MIPS final score is 82.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.