Sharon E. Larsen, DNP - APN
Family Nurse Practitioner · Crystal Lake, IL
Sharon E. Larsen, DNP - APN is a family nurse practitioner with a practice address in Crystal Lake, Illinois, and NPI 1861785032, issued on May 22, 2011. Check the license (Illinois 277.000073, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sharon E. Larsen
- Credential
- DNP - APN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 277.000073 IL
Self-reported in NPPES; status is on the state search - Practice location
- 380 N Terra Cotta RD Ste E, Crystal Lake, IL 60012
- Phone
- (815) 459-7127
- Enumerated
- May 22, 2011
- Record last updated
- Dec 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (833) 944-2257
- Medicare enrollment
- Enrolled (PECOS I20110531000554); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →
Also registered at 380 N Terra Cotta RD Ste E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adam Rietveld, M.A., LCPCProfessional Counselor1861836405
Verify Sharon E. Larsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 277.000073Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average family nurse practitioner in 2024
881 Medicare Part D claims for 85 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Atorvastatin Calcium45 claims
- Amlodipine Besylate34 claims
- Levothyroxine Sodium30 claims
- Lisinopril25 claims
- Losartan Potassium24 claims
- Metoprolol Succinate22 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: $484.85
22 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. 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.
Sharon E. Larsen among 7,639 family nurse practitioner records in Illinois
Sharon E. Larsen, DNP - APN 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 2011, is newer than 12% of them.
- NPI issued2011 · 12% of these records are older, 86% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2010 · median 2018 among the 4,778 with a school on file
- Record last updated2021 · 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
- Otilia Boncu, APN, NP-CCrystal Lake, IL 600121427396381
- Laura Dagdick, CNPCrystal Lake, IL 600121255689543
- Jennifer Lawrence, C.N.P.Crystal Lake, IL 600121073066437
- Shannon Malone, FNP-BCCrystal Lake, IL 600121033826060
- Arelis Quintana, APRNCrystal Lake, IL 600121548093248
- Mark Rotert, NPCrystal Lake, IL 600121326483280
- Sara Brubacher, APNCary, IL 600131497174676
- Corey ShrewsberryCary, IL 600131619738697
Common questions
What is Sharon E. Larsen, DNP - APN's NPI number?
Sharon E. Larsen, DNP - APN's National Provider Identifier (NPI) is 1861785032, issued on May 22, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Sharon E. Larsen, DNP - APN located?
The NPPES record lists a practice address at 380 N Terra Cotta RD Ste E, Crystal Lake, IL, 60012. Phone: (815) 459-7127. Providers update this record themselves, so call before visiting.
How can I verify Sharon E. Larsen, DNP - APN's license?
NPPES lists Illinois license number 277.000073, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Sharon E. Larsen, DNP - APN prescribe under Medicare Part D?
In 2024, Sharon E. Larsen, DNP - APN had 881 Medicare Part D claims for 85 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.