NPPES file of Aug 9, 2026

Benjamin Jay Nager, MD

Neurology Physician · Crystal Lake, IL

Benjamin Jay Nager, MD is a neurology physician with a practice address in Crystal Lake, Illinois, and NPI 1508824376, issued on May 2, 2006. Check the license (Illinois 036082514, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508824376
Name
Benjamin Jay Nager
Credential
MD
Primary taxonomy
Neurology Physician 2084N0400X
License number
036082514 IL
Self-reported in NPPES; status is on the state search
Practice location
750 E Terra Cotta Ave Ste A, Crystal Lake, IL 60014
Phone
(815) 455-1800
Enumerated
May 2, 2006
Record last updated
May 8, 2025
Fax
(815) 455-1875
Medicare enrollment
Enrolled (PECOS I20051025000988); accepts Medicare assignment
Medical or professional school
Tulane University School Of Medicine, 1986
Telehealth
Offers telehealth (CMS)
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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Also registered at 750 E Terra Cotta Ave Ste A

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

  1. Candace Esposito, FNP-BCNurse Practitioner1114568367
  2. Ricardo Kohn, MDNeurology Physician1295720886
  3. Nikki Lechel, RTCardiovascular-Interventional Technology Radiologic Technologist1043030679
  4. Heeren Patel, M.D.Neurology Physician1982865481
  5. Feraz Rahman, MDVascular & Interventional Radiology Physician1750605424

Verify Benjamin Jay Nager in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036082514
    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
Open 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.

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2.7 times the Medicare Part D claims of the average neurology physician in 2024

3,750 Medicare Part D claims for 579 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 59 claims were for opioids.

  1. Benjamin Nager3,750
  2. Specialty average1,370

Most prescribed

  1. Gabapentin511 claims
  2. Memantine Hcl262 claims
  3. Donepezil Hcl235 claims
  4. Pregabalin222 claims
  5. Levetiracetam143 claims
  6. Topiramate131 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.

The MIPS final score for 2023 (Medicare payment program): 94.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score82.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Northwestern Medical Faculty FoundationCrystal Lake, IL

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

Benjamin Jay Nager among 952 neurology physician records in Illinois

Benjamin Jay Nager, MD is one of 952 neurology physician records with a practice address in Illinois. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 68% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1986 · median 2006 among the 573 with a school on file
  • Record last updated2025 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in Illinois

There are 952 neurology physician records in Illinois.

The 8 neurology physician records with the nearest ZIP codes

  1. Paul Grindstaff, MDCrystal Lake, IL 600141811948854
  2. Virginia Hemelt, MDCrystal Lake, IL 600141710984638
  3. Ricardo Kohn, MDCrystal Lake, IL 600141295720886
  4. Heeren Patel, M.D.Crystal Lake, IL 600141982865481
  5. Sapna Rathi, M.D.Crystal Lake, IL 600141932140472
  6. Jesse Taber, MDCrystal Lake, IL 600141932268570
  7. Jessica Wolf, MDCrystal Lake, IL 600141104441252
  8. Mahesh Parikh, M.D.Crystal Lake, IL 600121659309151

Common questions

What is Benjamin Jay Nager, MD's NPI number?

Benjamin Jay Nager, MD's National Provider Identifier (NPI) is 1508824376, issued on May 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Benjamin Jay Nager, MD located?

The NPPES record lists a practice address at 750 E Terra Cotta Ave Ste A, Crystal Lake, IL, 60014. Phone: (815) 455-1800. Providers update this record themselves, so call before visiting.

How can I verify Benjamin Jay Nager, MD's license?

NPPES lists Illinois license number 036082514, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Benjamin Jay Nager, MD prescribe under Medicare Part D?

In 2024, Benjamin Jay Nager, MD had 3,750 Medicare Part D claims for 579 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.

What is Benjamin Jay Nager, MD's MIPS final score?

The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.