NPPES file of Aug 9, 2026

John Pak, MD

Ophthalmic Plastic and Reconstructive Surgery Physician · Wheaton, IL

John Pak, MD is an ophthalmic plastic and reconstructive surgery physician with a practice address in Wheaton, Illinois, and NPI 1811937311, issued on Jun 7, 2006. Check the license (Illinois 036-108561, 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
1811937311
Name
John Pak
Credential
MD
Primary taxonomy
Ophthalmic Plastic and Reconstructive Surgery Physician 207WX0200X
License number
036-108561 IL
Self-reported in NPPES; status is on the state search
Practice location
2015 N Main St, Wheaton, IL 60187
Phone
(630) 668-8250
Enumerated
Jun 7, 2006
Record last updated
Aug 26, 2024
Fax
(630) 668-8916
Medicaid ID
036108561 IL
Medicare enrollment
Enrolled (PECOS I20040807000057); accepts Medicare assignment
Medical or professional school
Boston University School Of Medicine, 2000
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 2015 N Main St

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

  1. Susan Anderson-Nelson, M.D.Retina Specialist (Ophthalmology) Physician1013904986
  2. Christina Andrzejewski, ODOptometrist1235922089
  3. Ayesha Badar, MDGlaucoma Specialist (Ophthalmology) Physician1619462330
  4. Saaquib Bakhsh, MDRetina Specialist (Ophthalmology) Physician1457871402
  5. Kimberly Blankshain, MDNeuro-ophthalmology Physician1801328125
  6. Eric CaskeyNeuro-ophthalmology Physician1558892729

Verify John Pak 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 036-108561
    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

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99% more Medicare Part D claims than the average ophthalmic plastic and reconstructive surgery physician in 2024

1,085 Medicare Part D claims for 630 beneficiaries, against an average of 544 among the 409 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims. 147 claims were for opioids.

  1. John Pak1,085
  2. Specialty average544

Most prescribed

  1. Neomycin-Polymyxin-Dexameth348 claims
  2. Prednisolone Acetate167 claims
  3. Acetaminophen-Codeine143 claims
  4. Doxycycline Hyclate131 claims
  5. Tobradex112 claims
  6. Amoxicillin-Clavulanate Potass62 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).

Industry payments in 2024: $57.74

2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 332 providers of this specialty with any payment received $6,302.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Pak$57.74
  2. Specialty average$6,302.89

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. Wheaton Eye Clinic LtdWheaton, IL

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

Ophthalmic Plastic and Reconstructive Surgery Physician providers in Illinois

There are 14 ophthalmic plastic and reconstructive surgery physician records in Illinois.

Other ophthalmic plastic and reconstructive surgery physician records in Illinois

  1. Olivia Cheng, MDChicago, IL1356835813
  2. Liza Cohen, M.D.Chicago, IL1134518087
  3. Tamara Fountain, M.D.Deerfield, IL1033110978
  4. Peter Fries, MDMaywood, IL1942289996
  5. Sasha HubschmanChicago, IL1902434939
  6. Jamie Keen, MDHines, IL1144753500
  7. Krishna Patel, MDWheaton, IL1477972412
  8. Paul Phelps, M.D.Chicago, IL1003131657
  9. Stacy Scofield-Kaplan, MDNaperville, IL1841633989
  10. Hassan ShahChicago, IL1659412682

Common questions

What is John Pak, MD's NPI number?

John Pak, MD's National Provider Identifier (NPI) is 1811937311, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Pak, MD located?

The NPPES record lists a practice address at 2015 N Main St, Wheaton, IL, 60187. Phone: (630) 668-8250. Providers update this record themselves, so call before visiting.

How can I verify John Pak, MD's license?

NPPES lists Illinois license number 036-108561, 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 John Pak, MD prescribe under Medicare Part D?

In 2024, John Pak, MD had 1,085 Medicare Part D claims for 630 beneficiaries; the average among ophthalmic plastic and reconstructive surgery physician prescribers was 544. Part D covers Medicare prescriptions only.

What is John Pak, 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.