Registry data as of Aug 27, 2026

Mark Passerman, DO

Family Medicine Physician · Dwight, IL

Mark Passerman, DO is a family medicine physician with a practice address in Dwight, Illinois, and NPI 1851404313, issued on Aug 17, 2006. Check the license (Illinois 036-116449, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1851404313
Name
Mark Passerman
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
036-116449 IL
Self-reported in NPPES; status is on the state search
Practice location
101 S Prairie Ave, Dwight, IL 60420
Phone
(815) 584-3291
Enumerated
Aug 17, 2006
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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Verify Mark Passerman 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 036-116449
    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.

3.2 times the Medicare Part D claims of the average family medicine physician in 2024

11,262 Medicare Part D claims for 735 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 669 claims were for opioids.

  1. Mark Passerman11,262
  2. Specialty average3,519

Most prescribed

  1. Atorvastatin Calcium579 claims
  2. Lisinopril421 claims
  3. Hydrocodone-Acetaminophen367 claims
  4. Omeprazole327 claims
  5. Albuterol Sulfate Hfa325 claims
  6. Amlodipine Besylate306 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: $112.84

1 payment, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 53,013 providers of this specialty with any payment received $861.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Passerman$112.84
  2. Specialty average$861.30

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Morris HospitalDwight, IL

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.

6 family medicine physician records list a Dwight practice address

They are 6 of the 35 NPPES records with a Dwight practice address, and 5,925 family medicine physician records in Illinois.

Other family medicine physician records in Illinois

  1. Jon Aagaard, MDWheaton, IL1750496923
  2. Napoleon Abando, MDWoodstock, IL1003972753
  3. Nikka Abaricia, MDChicago, IL1790366342
  4. Mohemmed AbbasChicago, IL1609612522
  5. Muhammad AbbasAlton, IL1588341556
  6. Syed AbbasWest Dundee, IL1972733103
  7. Stefanie AbbottMaywood, IL1861137457
  8. Roann Abdeladl, MDEvanston, IL1437087103
  9. Ashraf Abdeljaber, M.DNormal, IL1023472636
  10. Ahmed Abdelkader, MDChicago, IL1659104230

Common questions

What is Mark Passerman, DO's NPI number?

Mark Passerman, DO's National Provider Identifier (NPI) is 1851404313, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Passerman, DO located?

The NPPES record lists a practice address at 101 S Prairie Ave, Dwight, IL, 60420. Phone: (815) 584-3291. Providers update this record themselves, so call before visiting.

How can I verify Mark Passerman, DO's license?

NPPES lists Illinois license number 036-116449, 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 Mark Passerman, DO prescribe under Medicare Part D?

In 2024, Mark Passerman, DO had 11,262 Medicare Part D claims for 735 beneficiaries; the average among family medicine physician prescribers was 3,519. 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.