Registry data as of Aug 27, 2026

Clarence Engstrom, MD

Family Medicine Physician · Zion, IL

Clarence Engstrom, MD is a family medicine physician with a practice address in Zion, Illinois, and NPI 1356327514, issued on Dec 20, 2005. Check the license (Illinois 036040526, 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
1356327514
Name
Clarence Engstrom
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
036040526 IL
Self-reported in NPPES; status is on the state search
Practice location
3115 Lewis Ave, Zion, IL 60099
Phone
(847) 746-3752
Enumerated
Dec 20, 2005
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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Also registered at 3115 Lewis Ave

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

  1. Harold Birky, DDSDentist1215153812
  2. Jennifer Garland, D.D.S.General Practice Dentistry1356563761
  3. Harsha Kaza, MDInternal Medicine Physician1598786436
  4. Rebecca Matteson, LPTPhysical Therapist1457437170
  5. Dennis McCrearyFamily Medicine Physician1396720694
  6. Mariel Visconde, RPTPhysical Therapist1629323696

Verify Clarence Engstrom 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 036040526
    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.

83% more Medicare Part D claims than the average family medicine physician in 2024

6,448 Medicare Part D claims for 423 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 122 claims were for opioids.

  1. Clarence Engstrom6,448
  2. Specialty average3,519

Most prescribed

  1. Atorvastatin Calcium529 claims
  2. Metformin Hcl283 claims
  3. Amlodipine Besylate281 claims
  4. Lisinopril222 claims
  5. Gabapentin190 claims
  6. Hydrochlorothiazide175 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.

One hospital or facility affiliation

  1. Advantage Physical Therapy And Sports Rehab, LLCKenosha, WI

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.

5 family medicine physician records list a Zion practice address

They are 5 of the 222 NPPES records with a Zion 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 Clarence Engstrom, MD's NPI number?

Clarence Engstrom, MD's National Provider Identifier (NPI) is 1356327514, issued on Dec 20, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Clarence Engstrom, MD located?

The NPPES record lists a practice address at 3115 Lewis Ave, Zion, IL, 60099. Phone: (847) 746-3752. Providers update this record themselves, so call before visiting.

How can I verify Clarence Engstrom, MD's license?

NPPES lists Illinois license number 036040526, 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 Clarence Engstrom, MD prescribe under Medicare Part D?

In 2024, Clarence Engstrom, MD had 6,448 Medicare Part D claims for 423 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.