Registry data as of Aug 27, 2026

Katelyn Sinclair, FNP-C

Family Nurse Practitioner · Jerseyville, IL

Katelyn Sinclair, FNP-C is a family nurse practitioner with a practice address in Jerseyville, Illinois, and NPI 1508228818, issued on Mar 25, 2016. Check the license (Illinois 209014112, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1508228818
Name
Katelyn Sinclair
Credential
FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
209014112 IL
Self-reported in NPPES; status is on the state search
Practice location
903 S State St, Jerseyville, IL 62052
Phone
(618) 639-9255
Enumerated
Mar 25, 2016
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 903 S State St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. James Briggs, DCChiropractor1386604643
  2. Lindsey Buckles, PAPhysician Assistant1508258393
  3. Ronald Mueller, D.C.Chiropractor1619939253
  4. Katelyn Phillips, DNPFamily Nurse Practitioner1891441515

Verify Katelyn Sinclair in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 209014112
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

40% fewer Medicare Part D claims than the average family nurse practitioner in 2024

780 Medicare Part D claims for 476 beneficiaries, against an average of 1,302 among the 128,048 providers of this specialty who prescribed in Part D.

  1. Katelyn Sinclair780
  2. Specialty average1,302

Most prescribed

  1. Amoxicillin-Clavulanate Potass82 claims
  2. Azithromycin59 claims
  3. Nitrofurantoin Mono-Macro58 claims
  4. Amoxicillin48 claims
  5. Methylprednisolone42 claims
  6. Doxycycline Hyclate40 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.

One hospital or facility affiliation

  1. Jersey Community HospitalJerseyville, IL · Acute Care Hospitals3 of 5 stars

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

8 family nurse practitioner records list a Jerseyville practice address

They are 8 of the 219 NPPES records with a Jerseyville practice address, and 7,207 family nurse practitioner records in Illinois.

Other family nurse practitioner records in Illinois

  1. Deborah Aaron, FNPChicago, IL1114024916
  2. Lawrence Abah, APNAurora, IL1306305115
  3. Theresa AbbaduskyPekin, IL1265892046
  4. Nadia Abbasi-Kling, FNP-BCChicago, IL1033767736
  5. Manar Abdalla, FNPChicago, IL1700632411
  6. Mahubah Abdallah, FNP-CRochelle, IL1841752284
  7. Rana Abdallah, DNP, APRN, FNP-CLake Villa, IL1851261887
  8. Servet Abdelhafez, APRNBrookfield, IL1790505048
  9. Nadia Abdessalam, FNP-BCOak Lawn, IL1356888283
  10. Saima Abdul Karim, FNP-BCCoal City, IL1629498753

Common questions

What is Katelyn Sinclair, FNP-C's NPI number?

Katelyn Sinclair, FNP-C's National Provider Identifier (NPI) is 1508228818, issued on Mar 25, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Katelyn Sinclair, FNP-C located?

The NPPES record lists a practice address at 903 S State St, Jerseyville, IL, 62052. Phone: (618) 639-9255. Providers update this record themselves, so call before visiting.

How can I verify Katelyn Sinclair, FNP-C's license?

NPPES lists Illinois license number 209014112, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Katelyn Sinclair, FNP-C prescribe under Medicare Part D?

In 2024, Katelyn Sinclair, FNP-C had 780 Medicare Part D claims for 476 beneficiaries; the average among family nurse practitioner prescribers was 1,302. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.