NPPES file of Aug 9, 2026

John Joseph Freely, M.D.

Anesthesiology Physician · McHenry, IL

John Joseph Freely, M.D. is an anesthesiology physician with a practice address in McHenry, Illinois, and NPI 1770739161, issued on Aug 18, 2008. Check the license (Illinois 036123366, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1770739161
Name
John Joseph Freely
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License numbers
036123366 IL
32676 SC
Self-reported in NPPES; status is on the state search
Practice location
4201 W Medical Center Dr, McHenry, IL 60050
Phone
(815) 344-5000
Enumerated
Aug 18, 2008
Record last updated
Nov 20, 2023
Fax
(815) 344-3347
Medicare enrollment
Enrolled (PECOS I20221130002251); accepts Medicare assignment
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.
Download card Updates feed

Also registered at 4201 W Medical Center Dr

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

  1. Elias AbousaadInternal Medicine Physician1952751877
  2. Kimberly Ackert, PA-CPhysician Assistant1538172739
  3. Van AliEmergency Medicine Physician1457674582
  4. Wasfia Alikhan, M.D.Diagnostic Radiology Physician1902291834
  5. Yasser Almadani, MDStudent in an Organized Health Care Education/Training Program1881497634
  6. Altaf Aman, M.D.Hospitalist Physician1942381132

Verify John Joseph Freely 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 036123366
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Northwestern Medical Faculty FoundationMcHenry, IL

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

John Joseph Freely among 2,575 anesthesiology physician records in Illinois

John Joseph Freely, M.D. is one of 2,575 anesthesiology physician records with a practice address in Illinois. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 47% of them.

  • NPI issued2008 · 47% of these records are older, 47% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2005 · median 2006 among the 1,608 with a school on file
  • Record last updated2023 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

14 anesthesiology physician records list a practice address in McHenry

They are 14 of the 1,852 NPPES records with a practice address in McHenry, and 2,575 anesthesiology physician records in Illinois.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Shawn Falitz, M.D.McHenry, IL 600501043576341
  2. Farhan Farooqui, MDMcHenry, IL 600501134430465
  3. Jennifer Garcia Wojtczak, M.D.McHenry, IL 600501285952309
  4. Bradley Hewlett, M.D.McHenry, IL 600501255564142
  5. Jens Kellermeier, M.D.McHenry, IL 600501528172772
  6. James Kim, M.D.McHenry, IL 600501497839310
  7. David Lopata, M.D.McHenry, IL 600501144425224
  8. Adrienne Mejia, MD MPHMcHenry, IL 600501043701485

Common questions

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

John Joseph Freely, M.D.'s National Provider Identifier (NPI) is 1770739161, issued on Aug 18, 2008. An NPI identifies a provider in billing; it is not a license.

Where is John Joseph Freely, M.D. located?

The NPPES record lists a practice address at 4201 W Medical Center Dr, McHenry, IL, 60050. Phone: (815) 344-5000. Providers update this record themselves, so call before visiting.

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

NPPES lists Illinois license number 036123366, 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.

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.