NPPES file of Aug 9, 2026

John J. Fernandez, M.D.

Orthopaedic Hand Surgery Physician · Chicago, IL

John J. Fernandez, M.D. is an orthopaedic hand surgery physician with a practice address in Chicago, Illinois, and NPI 1245219963, issued on Jan 11, 2006. Check the license (Illinois 036098896, 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
1245219963
Name
John J. Fernandez
Credential
M.D.
Primary taxonomy
Orthopaedic Hand Surgery Physician 207XS0106X
License number
036098896 IL
Self-reported in NPPES; status is on the state search
Practice location
1611 W Harrison St, Chicago, IL 60612
Phone
(312) 243-4244
Enumerated
Jan 11, 2006
Record last updated
Sep 18, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(312) 942-1517
Medicare enrollment
Enrolled (PECOS I20201117002569); accepts Medicare assignment
Medical or professional school
Northeastern Ohio University College Of Medicine, 1990
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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Also registered at 1611 W Harrison St

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

  1. Jakob Ackermann, MDSports Medicine (Orthopaedic Surgery) Physician1467340364
  2. Taylor Agate, PA-CPhysician Assistant1871196477
  3. Samer Al-Khudari, M.D.Otolaryngology Physician1699942177
  4. Jeremy Alland, MDSports Medicine (Internal Medicine) Physician1861755035
  5. Howard An, MDOrthopaedic Surgery of the Spine Physician1255310157
  6. Gunnar Andersson, MDOrthopaedic Surgery Physician1154309110

Verify John J. Fernandez 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 036098896
    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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89% fewer Medicare Part D claims than the average orthopaedic hand surgery physician in 2024

20 Medicare Part D claims for 16 beneficiaries, against an average of 186 among the 2,203 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. John Fernandez20
  2. Specialty average186

Most prescribed

  1. Methylprednisolone11 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: $58.31

2 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 1,819 providers of this specialty with any payment received $5,529.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Fernandez$58.31
  2. Specialty average$5,529.86

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

Bills Medicare through one group practice

  1. Orthomidwest, PLLCMunster, IN

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

John J. Fernandez among 129 orthopaedic hand surgery physician records in Illinois

John J. Fernandez, M.D. is one of 129 orthopaedic hand surgery physician records with a practice address in Illinois. 89% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 51% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 82% of these records are
  • Graduated1990 · median 2004 among the 106 with a school on file
  • Record last updated2018 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0106X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Hand Surgery Physician providers in Illinois

There are 129 orthopaedic hand surgery physician records in Illinois.

The 8 orthopaedic hand surgery physician records with the nearest ZIP codes

  1. Boonmee ChunprapaphChicago, IL 606121336151760
  2. Mark Cohen, M.D.Chicago, IL 606121952380669
  3. Matthew Doscher, M.D.Chicago, IL 606121194012781
  4. Xavier Simcock, M.D.Chicago, IL 606121679700116
  5. David Kalainov, M.D.Chicago, IL 606111477526408
  6. Daniel Nagle, MDChicago, IL 606111306808365
  7. Peter Ostergaard, MDChicago, IL 606111790134096
  8. Chirag Shah, M.D.Chicago, IL 606111942406558

Common questions

What is John J. Fernandez, M.D.'s NPI number?

John J. Fernandez, M.D.'s National Provider Identifier (NPI) is 1245219963, issued on Jan 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John J. Fernandez, M.D. located?

The NPPES record lists a practice address at 1611 W Harrison St, Chicago, IL, 60612. Phone: (312) 243-4244. Providers update this record themselves, so call before visiting.

How can I verify John J. Fernandez, M.D.'s license?

NPPES lists Illinois license number 036098896, 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 John J. Fernandez, M.D. prescribe under Medicare Part D?

In 2024, John J. Fernandez, M.D. had 20 Medicare Part D claims for 16 beneficiaries; the average among orthopaedic hand surgery physician prescribers was 186. 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.