Kelsey Grimmer, PA
Medical Physician Assistant · Lake Forest, IL
Kelsey Grimmer, PA is a medical physician assistant with a practice address in Lake Forest, Illinois, and NPI 1265695530, issued on Jul 8, 2008. Check the license (Illinois 085004128, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kelsey Grimmer
- Credential
- PA
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License numbers
- 085004128 IL
2303 WI
Self-reported in NPPES; status is on the state search - Practice location
- 900 N Westmoreland RD, Lake Forest, IL 60045
- Phone
- (920) 791-1347
- Enumerated
- Jul 8, 2008
- Record last updated
- Feb 19, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180919002111); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 671 in Illinois → Look up another NPI →
Also registered at 900 N Westmoreland RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kelsey Grimmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 085004128Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average medical physician assistant in 2024
496 Medicare Part D claims for 194 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Triamcinolone Acetonide43 claims
- Betamethasone Dipropionate36 claims
- Ketoconazole30 claims
- Minoxidil30 claims
- Mupirocin27 claims
- Doxycycline Hyclate26 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: $2,322.92
88 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 16,165 providers of this specialty with any payment received $1,055.00 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
- Dermatologists OF Illinois, PLLCChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kelsey Grimmer among 671 medical physician assistant records in Illinois
Kelsey Grimmer, PA is one of 671 medical physician assistant records with a practice address in Illinois. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 41% of them.
- NPI issued2008 · 41% of these records are older, 55% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated2008 · median 2012 among the 340 with a school on file
- Record last updated2016 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 medical physician assistant records list a practice address in Lake Forest
They are 9 of the 821 NPPES records with a practice address in Lake Forest, and 671 medical physician assistant records in Illinois.
All 671 in Illinois → Every provider in Lake Forest → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Rachel BuchekLake Forest, IL 600451679956866
- Kyle Cummisford, PA-CLake Forest, IL 600451548754153
- Thomas Devries, PA-CLake Forest, IL 600451912247008
- Rebecca Houglum, P.A.Lake Forest, IL 600451245328582
- Gianna Rondinella, PA-CLake Forest, IL 600451750763801
- Katie Springer, PA-CLake Forest, IL 600451467648683
- Meghan StrandLake Forest, IL 600451508377532
- Katherine Voigt, PA-CLake Forest, IL 600451184047847
Common questions
What is Kelsey Grimmer, PA's NPI number?
Kelsey Grimmer, PA's National Provider Identifier (NPI) is 1265695530, issued on Jul 8, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Kelsey Grimmer, PA located?
The NPPES record lists a practice address at 900 N Westmoreland RD, Lake Forest, IL, 60045. Phone: (920) 791-1347. Providers update this record themselves, so call before visiting.
How can I verify Kelsey Grimmer, PA's license?
NPPES lists Illinois license number 085004128, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Kelsey Grimmer, PA prescribe under Medicare Part D?
In 2024, Kelsey Grimmer, PA had 496 Medicare Part D claims for 194 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.