Lauren K. Bowsher, FNP-BC
Family Nurse Practitioner · Crystal Lake, IL
Lauren K. Bowsher, FNP-BC is a family nurse practitioner with a practice address in Crystal Lake, Illinois, and NPI 1265972418, issued on Mar 6, 2017. Check the license (Illinois 209015703, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lauren K. Bowsher
- Credential
- FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 209015703 IL
Self-reported in NPPES; status is on the state search - Practice location
- 781 S Mchenry Ave, Crystal Lake, IL 60014
- Phone
- (815) 459-2200
- Enumerated
- Mar 6, 2017
- Record last updated
- May 12, 2026
- Fax
- (815) 444-9566
- Medicare enrollment
- Enrolled (PECOS I20170406000336); 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 781 S Mchenry Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lauren K. Bowsher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209015703Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% more Medicare Part D claims than the average family nurse practitioner in 2024
2,223 Medicare Part D claims for 272 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 66 claims were for opioids.
Most prescribed
- Atorvastatin Calcium196 claims
- Amlodipine Besylate101 claims
- Alprazolam89 claims
- Lisinopril86 claims
- Levothyroxine Sodium77 claims
- Sertraline Hcl58 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: $57.38
1 payment: food and beverage; the largest payer was Edwards Lifesciences Corporation. The 99,489 providers of this specialty with any payment received $650.95 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
- Caring Family S. C.Crystal Lake, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lauren K. Bowsher among 7,639 family nurse practitioner records in Illinois
Lauren K. Bowsher, FNP-BC 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 2017, is newer than 37% of them.
- NPI issued2017 · 37% of these records are older, 56% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2017 · median 2018 among the 4,778 with a school on file
- Record last updated2026 · 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).
48 family nurse practitioner records list a practice address in Crystal Lake
They are 48 of the 1,442 NPPES records with a practice address in Crystal Lake, and 7,639 family nurse practitioner records in Illinois.
All 7,639 in Illinois → Every provider in Crystal Lake → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Michelle Bate, NPCrystal Lake, IL 600141134164270
- Christy Benton, A.P.N.Crystal Lake, IL 600141245342807
- Susan Bigham, CNPCrystal Lake, IL 600141518383264
- Jason Carman, DNPCrystal Lake, IL 600141174522825
- Juliana Gonzales-Hannon, CNPCrystal Lake, IL 600141285099622
- Mary Holem, FNP-BCCrystal Lake, IL 600141972897791
- Jacki Liggett, APN, FNPCrystal Lake, IL 600141194102053
- Cynthia Macdonald, DNPCrystal Lake, IL 600141609988187
Common questions
What is Lauren K. Bowsher, FNP-BC's NPI number?
Lauren K. Bowsher, FNP-BC's National Provider Identifier (NPI) is 1265972418, issued on Mar 6, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Lauren K. Bowsher, FNP-BC located?
The NPPES record lists a practice address at 781 S Mchenry Ave, Crystal Lake, IL, 60014. Phone: (815) 459-2200. Providers update this record themselves, so call before visiting.
How can I verify Lauren K. Bowsher, FNP-BC's license?
NPPES lists Illinois license number 209015703, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Lauren K. Bowsher, FNP-BC prescribe under Medicare Part D?
In 2024, Lauren K. Bowsher, FNP-BC had 2,223 Medicare Part D claims for 272 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.