NPPES file of Aug 9, 2026

Nigel N. Walters, MD

Internal Medicine Physician · Mount Prospect, IL

Nigel N. Walters, MD is an internal medicine physician with a practice address in Mount Prospect, Illinois, and NPI 1326073750, issued on Jul 12, 2006. Check the license (Illinois 036090982, 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
1326073750
Name
Nigel N. Walters
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036090982 IL
Self-reported in NPPES; status is on the state search
Practice location
199 W. Rand Road, Mount Prospect, IL 60056
Phone
(847) 618-5450
Enumerated
Jul 12, 2006
Record last updated
May 11, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(847) 618-5459
Medicaid ID
036090982 IL
Medicare enrollment
Enrolled (PECOS I20050628000766); accepts Medicare assignment
Medical or professional school
Northwestern University Feinberg Medical School, 1992
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 199 W. Rand Road

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

  1. Ronnie Ghuneim, M.D.Internal Medicine Physician1952427700
  2. Philip Kiley, M.D.Internal Medicine Physician1245211366
  3. Jennifer Weirich, PA-CPhysician Assistant1093110827

Verify Nigel N. Walters 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 036090982
    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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1% fewer Medicare Part D claims than the average internal medicine physician in 2024

3,130 Medicare Part D claims for 468 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 61 claims were for opioids.

  1. Nigel Walters3,130
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium187 claims
  2. Levothyroxine Sodium165 claims
  3. Amlodipine Besylate155 claims
  4. Lisinopril121 claims
  5. Rosuvastatin Calcium116 claims
  6. Simvastatin104 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): 89.7 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 score79.3
  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).

Industry payments in 2024: $1,580.98

41 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nigel Walters$1,580.98
  2. Specialty average$1,303.06

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. Endeavor Health Medical GroupPalatine, IL

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

Nigel N. Walters among 7,238 internal medicine physician records in Illinois

Nigel N. Walters, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 61% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated1992 · median 2003 among the 3,580 with a school on file
  • Record last updated2021 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

11 internal medicine physician records list a practice address in Mount Prospect

They are 11 of the 431 NPPES records with a practice address in Mount Prospect, and 7,238 internal medicine physician records in Illinois.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Kathryn Eubanks, MDMount Prospect, IL 600561487638763
  2. Ronnie Ghuneim, M.D.Mount Prospect, IL 600561952427700
  3. Michael Glickman, MDMount Prospect, IL 600561154347128
  4. Sheilendr Khipple, MDMount Prospect, IL 600561083773295
  5. Philip Kiley, M.D.Mount Prospect, IL 600561245211366
  6. Harbans Mavi, MDMt Prospect, IL 600561710052436
  7. Aleksandra Raykher, M.D.Mount Prospect, IL 600561437158151
  8. Thomas Reese, M.D.Mt Prospect, IL 600561053482877

Common questions

What is Nigel N. Walters, MD's NPI number?

Nigel N. Walters, MD's National Provider Identifier (NPI) is 1326073750, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nigel N. Walters, MD located?

The NPPES record lists a practice address at 199 W. Rand Road, Mount Prospect, IL, 60056. Phone: (847) 618-5450. Providers update this record themselves, so call before visiting.

How can I verify Nigel N. Walters, MD's license?

NPPES lists Illinois license number 036090982, 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 Nigel N. Walters, MD prescribe under Medicare Part D?

In 2024, Nigel N. Walters, MD had 3,130 Medicare Part D claims for 468 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Nigel N. Walters, MD's MIPS final score?

The 2023 MIPS final score is 89.7 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.