NPPES file of Aug 9, 2026

Christopher Q. Stephan, M.D.

Family Medicine Physician · Chicago, IL

Christopher Q. Stephan, M.D. is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1780883660, issued on Jul 12, 2007. Check the license (Illinois 036117889, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1780883660
Name
Christopher Q. Stephan
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
036117889 IL
Self-reported in NPPES; status is on the state search
Practice location
7447 W Talcott Ave, Chicago, IL 60631
Phone
(773) 792-5155
Enumerated
Jul 12, 2007
Record last updated
Dec 18, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(773) 594-7975
Medicare enrollment
Enrolled (PECOS I20071121000141); accepts Medicare assignment
Medical or professional school
Loyola University Of Chicago, Stritch School Of Medicine, 2004
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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8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →

Also registered at 7447 W Talcott Ave

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

  1. Marisa Aguila-Manalo, M.D.Pediatrics Physician1124018189
  2. Halina Aniol, M.D.Pediatrics Physician1073605598
  3. Zbigniew Aniol, M.D.Obstetrics & Gynecology Physician1871582486
  4. Asha AnneStudent in an Organized Health Care Education/Training Program1588190821
  5. Maxwell Arons, D.OFamily Medicine Physician1558718809
  6. Lisa Baddi, D.O.Hematology & Oncology Physician1780683250

Verify Christopher Q. Stephan 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 036117889    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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83% fewer Medicare Part D claims than the average family medicine physician in 2024

615 Medicare Part D claims for 83 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 16 claims were for opioids.

  1. Christopher Stephan615
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium71 claims
  2. Losartan Potassium35 claims
  3. Metoprolol Succinate27 claims
  4. Omeprazole22 claims
  5. Gabapentin20 claims
  6. Amlodipine Besylate19 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.

Bills Medicare through one group practice

  1. Prime Healthcare Illinois Medical Group LLCDes Plaines, IL

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

Christopher Q. Stephan among 6,215 family medicine physician records in Illinois

Christopher Q. Stephan, M.D. is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.

  • NPI issued2007 · 41% of these records are older, 50% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2004 · median 2006 among the 3,714 with a school on file
  • Record last updated2019 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,593 family medicine physician records list a practice address in Chicago

They are 1,593 of the 63,379 NPPES records with a practice address in Chicago, and 6,215 family medicine physician records in Illinois.

All 6,215 in Illinois → Every provider in Chicago → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. John Affinito, MDChicago, IL 606311316930191
  2. Tobia Barbato, MDChicago, IL 606311609862507
  3. Rokeya Begum Akhtar, MDChicago, IL 606311780687368
  4. Matthew Brown, M.D.Chicago, IL 606311154324515
  5. Eleonora Kul-Lipski, MDChicago, IL 606311326093576
  6. Marzena Lipinska, MDChicago, IL 606311487657078
  7. Alan McCall, MDChicago, IL 606311336121920
  8. Pramod Patel, M.D.Chicago, IL 606311841298205

Common questions

What is Christopher Q. Stephan, M.D.'s NPI number?

Christopher Q. Stephan, M.D.'s National Provider Identifier (NPI) is 1780883660, issued on Jul 12, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Q. Stephan, M.D. located?

The NPPES record lists a practice address at 7447 W Talcott Ave, Chicago, IL, 60631. Phone: (773) 792-5155. Providers update this record themselves, so call before visiting.

How can I verify Christopher Q. Stephan, M.D.'s license?

NPPES lists Illinois license number 036117889, 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 Christopher Q. Stephan, M.D. prescribe under Medicare Part D?

In 2024, Christopher Q. Stephan, M.D. had 615 Medicare Part D claims for 83 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.