NPPES file of Aug 9, 2026

Joseph Stock, M.D.

Emergency Medical Services (Emergency Medicine) Physician · Chicago, IL

Joseph Stock, M.D. is an emergency medical services (emergency medicine) physician with a practice address in Chicago, Illinois, and NPI 1164462248, issued on Jun 7, 2006. Check the license (Illinois 036-106198, 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
1164462248
Name
Joseph Stock
Credential
M.D.
Primary taxonomy
Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
License number
036-106198 IL
Self-reported in NPPES; status is on the state search
Practice location
119 W Chestnut St, Chicago, IL 60610
Phone
(312) 379-0228
Enumerated
Jun 7, 2006
Record last updated
Jun 30, 2023
Medicaid ID
036106198-1 IL
Medicare enrollment
Enrolled (PECOS I20040823000775); accepts Medicare assignment
Medical or professional school
Rush Medical College Of Rush University, 1999
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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Verify Joseph Stock 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 036-106198
    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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19% fewer Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024

236 Medicare Part D claims for 171 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 18 claims were for opioids.

  1. Joseph Stock236
  2. Specialty average292

Most prescribed

  1. Cefdinir24 claims
  2. Hydrocodone-Acetaminophen18 claims
  3. Prednisone17 claims
  4. Azithromycin13 claims
  5. Amoxicillin-Clavulanate Potass12 claims
  6. Cephalexin11 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: $16.98

1 payment: food and beverage; the largest payer was Abbvie Inc. The 489 providers of this specialty with any payment received $337.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joseph Stock$16.98
  2. Specialty average$337.59

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

Bills Medicare through 2 group practices

  1. Belvidere Emergency Physicians, LLCBelvidere, IL
  2. Rockford Emergency Physicians, LLCRockford, IL

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

Joseph Stock among 117 emergency medical services (emergency medicine) physician records in Illinois

Joseph Stock, M.D. is one of 117 emergency medical services (emergency medicine) physician records with a practice address in Illinois. 53% 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 24% of them.

  • NPI issued2006 · 24% of these records are older, 24% newer
  • In a Medicare fileYes · 53% of these records are
  • In the CMS Doctors and Clinicians fileYes · 37% of these records are
  • Graduated1999 · median 1996 among the 42 with a school on file
  • Record last updated2023 · 75% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medical Services (Emergency Medicine) Physician providers in Illinois

There are 117 emergency medical services (emergency medicine) physician records in Illinois.

The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes

  1. Erica Salaman, DOChicago, IL 606081093761363
  2. Michael Doolin, FF/PMChicago, IL 606071033760715
  3. Suzanne Schmidt, MDChicago, IL 606141891739082
  4. Craig Dean, M.D.Chicago, IL 606011174832976
  5. Matthew McCormick, D.O.Chicago, IL 606211295998649
  6. Richard Benson, M.D.Chicago, IL 606371598103350
  7. Kathryn Pajak, MDChicago, IL 606381669712808
  8. Harold Chin, MDChicago, IL 606751477539575

Common questions

What is Joseph Stock, M.D.'s NPI number?

Joseph Stock, M.D.'s National Provider Identifier (NPI) is 1164462248, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Stock, M.D. located?

The NPPES record lists a practice address at 119 W Chestnut St, Chicago, IL, 60610. Phone: (312) 379-0228. Providers update this record themselves, so call before visiting.

How can I verify Joseph Stock, M.D.'s license?

NPPES lists Illinois license number 036-106198, 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 Joseph Stock, M.D. prescribe under Medicare Part D?

In 2024, Joseph Stock, M.D. had 236 Medicare Part D claims for 171 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. 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.

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.