Dr. John J. Fernandez, MD
- Medicare services, 2024
- 1,746
- Medicare patients, 2024
- 330
- Part D claims, 2024
- 20
- Publications
- 27
- Hospital affiliations
- 1
- Practice address
- 845 North Michigan Ave, Chicago, IL 60601
- Practice phone
- Call (312) 521-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gold Coast Surgicenter
Surgery Center - Medicare-Certified · Chicago, Illinois
Find Dr. Fernandez's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John J. Fernandez is an orthopaedic hand surgery physician in Chicago, Illinois
Dr. Fernandez practices at Gold Coast Surgicenter in Chicago, Illinois.
Dr. Fernandez's NPI, 1245219963, was assigned on January 11, 2006. Dr. Fernandez graduated from Northeastern Ohio University College of Medicine in 1990. Dr. Fernandez holds Illinois license 036098896.
- NPI
- 1245219963NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931012895
- NPI enumeration date
- January 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (312) 521-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John J. Fernandez practices at Gold Coast Surgicenter in Chicago, Illinois
Dr. Fernandez's primary practice is Gold Coast Surgicenter, at 845 North Michigan Ave, Chicago, IL 60601. The practice phone is (312) 521-5500.
- Gold Coast Surgicenter845 North Michigan Ave, Chicago, IL 60601Phone(312) 521-5500
Source: Dmand AI Affiliation Data
Dr. John J. Fernandez is affiliated with 4 sites of care and 2 medical groups
Dr. Fernandez's primary practice is Gold Coast Surgicenter in Chicago, Illinois. Dr. Fernandez is also affiliated with Rush University Medical Center. The medical group on file is OrthoIllinois. Dmand AI also links Dr. Fernandez to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John J. Fernandez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fernandez practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gold Coast Surgicenter | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John J. Fernandez is one of 111 orthopaedic hand surgery physicians in Illinois
Hand surgery is Dr. Fernandez's primary specialty in the NPI Registry, under taxonomy code 207XS0106X. Dr. Fernandez is licensed in Illinois.
Specialties and state licenses
- Orthopaedic hand surgery, IllinoisPrimary
Orthopaedic hand surgery physicians near Dr. Fernandez
Counts of orthopaedic hand surgery physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John J. Fernandez billed Medicare for 1,746 services in 2024
CMS data shows 1,746 Medicare services from Dr. Fernandez across 20 procedure codes in 2024, for 330 Medicare patients. Medicare paid $89,167 for them.
Dr. Fernandez's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 562024: 9001507%
- Imaging
- 2023: 5472024: 42123%
- Office and hospital visits
- 2023: 2042024: 1897%
- Surgery
- 2023: 1422024: 18430%
- Other services
- 2023: 452024: 5216%
Where Dr. Fernandez's Medicare services took place, 2024
- In an office1,59091%
- In a facility1569%
Dr. Fernandez compared with the Illinois median for orthopaedic hand surgery physicians, 2024
- Dr. Fernandez
- Illinois median
- Medicare services
- 1,746vs 1,756Close to median
- Medicare patients
- 330vs 3495% below
- Part D claims
- 11vs 7185% below
Medians across 108 orthopaedic hand surgery physicians in Illinois with Dmand AI profiles that report each measure.
Dr. Fernandez's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Fernandez?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fernandez and other orthopaedic hand surgery physicians in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John J. Fernandez treated 330 Medicare patients in 2024, average age 73
CMS counts 330 Medicare patients who saw Dr. Fernandez in 2024. The largest group is 65 to 74, with 191 patients. 74% of them have high cholesterol, and 71% have arthritis. 7% are also on Medicaid. Their average risk score is 0.92, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Fernandez's median patient age at 55, with 51% women.
Dr. Fernandez's Medicare patients by age, 2024
Dr. Fernandez's Medicare patients by sex, 2024
- Women19659%
- Men13441%
Chronic conditions among Dr. Fernandez's Medicare patients, 2024
- High cholesterol74%
- Arthritis71%
- High blood pressure60%
- Ischemic heart disease28%
- Mood disorders22%
- Osteoporosis22%
- Anxiety21%
- Diabetes21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fernandez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women51%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John J. Fernandez wrote 20 Medicare Part D claims in 2024
In 2024, Dr. Fernandez wrote 20 Medicare Part D claims for 16 patients. 100% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $71 in total drug cost. In 2022, CMS named 15 claims across 1 drug.
Dr. Fernandez's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 152024: 1127%
Drugs named by CMS: 1 in 2024, 1 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. John J. Fernandez takes part in Medicare
Dr. Fernandez accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Upper limb (arm) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. John J. Fernandez has 27 publications on record
Dmand AI links 27 papers to Dr. Fernandez, published from 2014 to 2025. 2024 was the busiest year, with 4. The most frequent topics are Arthrodesis, Range of Motion, Articular and Wrist Joint. Dr. Fernandez has published most often in J Hand Surg Am. Dr. Fernandez's most frequent co-authors are Robert Wysocki, MD, Xavier C. Simcock, MD and Nitin Goyal, MD.
Dr. Fernandez's papers by year, 2014 to 2025
Topics Dr. Fernandez writes about most
- Arthrodesis
- Range of Motion, Articular
- Wrist Joint
- Orthopedic Procedures
- Scaphoid Bone
- Tendon Injuries
- Bone Screws
- Carpal Bones
Dr. Fernandez's most frequent co-authors
- Robert Wysocki, MD20 shared papers
- Xavier C. Simcock, MD9 shared papers
- Nitin Goyal, MD6 shared papers
Recent publications by Dr. Fernandez
See who Dr. Fernandez researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Fernandez works with, so you can find a warm path to the right orthopaedic hand surgery physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John J. Fernandez received $31,245 in industry payments from 2016 to 2025
CMS Open Payments shows 59 general payments to Dr. Fernandez from 11 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 83% of the total. Arthrex, Inc. paid the most, $28,543.
General payments to Dr. Fernandez by program year, 2016 to 2025
General payments to Dr. Fernandez by kind, 2016 to 2025
- Speaker and faculty fees$26,07583%
- Travel and lodging$1,7716%
- Food and beverage$1,7276%
- Education$1,1724%
- Consulting fees$5002%
Companies that paid Dr. Fernandez the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John J. Fernandez graduated from Northeastern Ohio University College of Medicine
Dr. Fernandez graduated from Northeastern Ohio University College of Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John J. Fernandez's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John J. Fernandez
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John J. Fernandez's NPI number?
Dr. John J. Fernandez's NPI number is 1245219963. It was assigned on January 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John J. Fernandez?
Dr. John J. Fernandez is an orthopaedic hand surgery physician in Chicago, Illinois. The primary specialty in the NPI Registry is Orthopaedic Hand Surgery Physician (taxonomy code 207XS0106X).
Where does Dr. John J. Fernandez practice?
Dr. Fernandez practices at 845 North Michigan Ave, Chicago, IL 60601. Dr. Fernandez's primary practice is Gold Coast Surgicenter in Chicago, Illinois. Dmand AI also links Dr. Fernandez to 2 group practices and clinics and 1 medical group.
What is Dr. John J. Fernandez's office phone number?
The practice phone on file for Dr. Fernandez is (312) 521-5500.
What is Dr. John J. Fernandez's medical license number?
Dr. Fernandez holds Illinois license 036098896.
Which hospitals is Dr. John J. Fernandez affiliated with?
Dr. Fernandez is affiliated with Rush University Medical Center.
What medical group is Dr. John J. Fernandez part of?
Dr. Fernandez is linked to OrthoIllinois. Dmand AI links Dr. Fernandez to 1 more medical group.
Does Dr. John J. Fernandez accept Medicare?
Yes. CMS data shows Dr. Fernandez billed Medicare for 1,746 services in 2024, and Dr. Fernandez accepts Medicare assignment.
How many Medicare patients does Dr. John J. Fernandez see?
CMS counts 330 Medicare patients who saw Dr. Fernandez in 2024, with an average age of 73.
What services does Dr. John J. Fernandez bill to Medicare?
In 2024, Dr. Fernandez's most billed Medicare services were injected or infused drug (J1010), diagnostic imaging (73130) and office visit, established patient (99213).
Show 6 more questionsShow fewer questions
Where did Dr. John J. Fernandez go to medical school?
Dr. Fernandez graduated from Northeastern Ohio University College of Medicine in 1990.
What drugs does Dr. John J. Fernandez prescribe most?
In 2024 Medicare Part D data, Dr. Fernandez's most prescribed drugs by claims were Methylprednisolone.
Has Dr. John J. Fernandez received payments from drug or device companies?
CMS Open Payments shows $31,245 in general payments to Dr. Fernandez from 11 companies from 2016 to 2025. The largest total came from Arthrex, Inc.
How long has Dr. John J. Fernandez been practicing?
Dr. Fernandez graduated from medical school in 1990, 36 years ago.
Does Dr. John J. Fernandez do research?
Dmand AI links 27 publications to Dr. Fernandez, published from 2014 to 2025.
Who does Dr. John J. Fernandez publish with?
Dr. Fernandez's most frequent co-authors are Robert Wysocki, MD (20 shared papers), Xavier C. Simcock, MD (9 shared papers) and Nitin Goyal, MD (6 shared papers).
Selling to hand surgery practices?
See orthopaedic hand surgery physicians in Illinois by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card