NPPES file of Aug 9, 2026

James Lewis Ferguson, CNP

Family Nurse Practitioner · McHenry, IL

James Lewis Ferguson, CNP is a family nurse practitioner with a practice address in McHenry, Illinois, and NPI 1841602794, issued on May 27, 2014. Check the license (Illinois 209011623, 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841602794
Name
James Lewis Ferguson
Credential
CNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
209011623 IL
Self-reported in NPPES; status is on the state search
Practice location
4309 W Medical Center Dr Ste B100, McHenry, IL 60050
Phone
(815) 344-8585
Enumerated
May 27, 2014
Record last updated
Jun 27, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(815) 344-8610
Medicare enrollment
Enrolled (PECOS I20140821001229); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify James Lewis Ferguson 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 209011623
    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

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77% fewer Medicare Part D claims than the average family nurse practitioner in 2024

300 Medicare Part D claims for 121 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. James Ferguson300
  2. Specialty average1,305

Most prescribed

  1. Pantoprazole Sodium73 claims
  2. Famotidine38 claims
  3. Sucralfate34 claims
  4. Omeprazole21 claims
  5. Creon19 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: $317.65

15 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.

  1. James Ferguson$317.65
  2. Specialty average$650.95

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

  1. GI Partners OF Illinois LLCLake Barrington, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

James Lewis Ferguson among 7,639 family nurse practitioner records in Illinois

James Lewis Ferguson, 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 2014, is newer than 20% of them.

  • NPI issued2014 · 20% of these records are older, 76% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2013 · median 2018 among the 4,778 with a school on file
  • Record last updated2018 · 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).

18 family nurse practitioner records list a practice address in McHenry

They are 18 of the 1,852 NPPES records with a practice address in McHenry, and 7,639 family nurse practitioner records in Illinois.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Shenelle Acoy, FNP-BCMcHenry, IL 600501861814535
  2. Katarzyna Brozek, FNPMcHenry, IL 600501083103568
  3. Victoria Butur, FNP-CMcHenry, IL 600501861063992
  4. Phyllis Dalla Betta, FNPMcHenry, IL 600501548267479
  5. Izabela Dalla ValleMcHenry, IL 600501447511944
  6. Laura Huszla, DNP, APRN, FNP-BCMcHenry, IL 600501144784026
  7. Janaies JosephMcHenry, IL 600501760866784
  8. Chelsey LesniakMcHenry, IL 600501518434463

Common questions

What is James Lewis Ferguson, CNP's NPI number?

James Lewis Ferguson, CNP's National Provider Identifier (NPI) is 1841602794, issued on May 27, 2014. An NPI identifies a provider in billing; it is not a license.

Where is James Lewis Ferguson, CNP located?

The NPPES record lists a practice address at 4309 W Medical Center Dr Ste B100, McHenry, IL, 60050. Phone: (815) 344-8585. Providers update this record themselves, so call before visiting.

How can I verify James Lewis Ferguson, CNP's license?

NPPES lists Illinois license number 209011623, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does James Lewis Ferguson, CNP prescribe under Medicare Part D?

In 2024, James Lewis Ferguson, CNP had 300 Medicare Part D claims for 121 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.