Dr. Gregory George Fenton, MD
- Medicare services, 2024
- 355
- Medicare patients, 2024
- 203
- Part D claims, 2024
- 598
- Hospital affiliations
- 2
- Medical group
- 1
- Practice address
- 1653 West Congress Parkway, Chicago, IL 60612
- Practice phone
- Call (312) 942-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Fenton's professional email, personal email and mobile number
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Dr. Gregory George Fenton is a neurologist in Chicago, Illinois
Dr. Fenton practices at Rush University Medical Center in Chicago, Illinois, part of Rush System for Health.
Dr. Fenton's NPI, 1295115079, was assigned on June 5, 2015. Dr. Fenton graduated from Boston University School Of Medicine in 2015. Dr. Fenton holds Illinois license 03614967.
- NPI
- 1295115079NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476843434
- NPI enumeration date
- June 5, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (312) 942-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory George Fenton practices at Rush University Medical Center in Chicago, Illinois
Dr. Fenton's primary practice is Rush University Medical Center, at 1653 West Congress Parkway, Chicago, IL 60612 in Cook County. The practice phone is (312) 942-5000.
- Rush University Medical Center1653 West Congress Parkway, Chicago, IL 60612 · Cook CountyPhone(312) 942-5000
Source: Dmand AI Affiliation Data
Dr. Gregory George Fenton is affiliated with 2 sites of care and 1 medical group
Dr. Fenton's primary practice is Rush University Medical Center in Chicago, Illinois, part of Rush System for Health. Dr. Fenton is also affiliated with Rush Oak Park Hospital. The medical group on file is Rush University Internists.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory George Fenton's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fenton practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rush University Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory George Fenton is one of 822 neurologists in Illinois
Neurology is Dr. Fenton's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Fenton is board certified in clinical neurophysiology by the American Board of Psychiatry and Neurology. Dr. Fenton is licensed in Illinois.
Specialties and state licenses
- Neurology, IllinoisPrimary
Clinical focus
Dmand AI lists acute mini-stroke (TIA), alzheimer's disease, carpal tunnel syndrome, epilepsy, fibromyalgia and chronic pain, head injury, hereditary polyneuropathy and lower back pain among the conditions Dr. Fenton treats.
Neurologists near Dr. Fenton
Counts of neurologists 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. Gregory George Fenton billed Medicare for 355 services in 2024
CMS data shows 355 Medicare services from Dr. Fenton across 9 procedure codes in 2024, for 203 Medicare patients. Medicare paid $21,420 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Fenton's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2612024: 20422%
- Other services
- 2023: 02024: 118
- Tests and treatments
- 2023: 552024: 3340%
Dr. Fenton compared with the Illinois median for neurologists, 2024
- Dr. Fenton
- Illinois median
- Medicare services
- 355vs 40111% below
- Medicare patients
- 203vs 22510% below
- Part D claims
- 487vs 31853% above
Medians across 747 neurologists in Illinois with Dmand AI profiles that report each measure.
Dr. Fenton'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. Fenton?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fenton and other neurologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory George Fenton treated 203 Medicare patients in 2024, average age 71
CMS counts 203 Medicare patients who saw Dr. Fenton in 2024. The largest group is 65 to 74, with 69 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 45% are also on Medicaid. Their average risk score is 1.97, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Fenton's median patient age at 63, with 65% women.
Dr. Fenton's Medicare patients by age, 2024
Dr. Fenton's Medicare patients by sex, 2024
- Women13366%
- Men7034%
Chronic conditions among Dr. Fenton's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Diabetes40%
- Mood disorders37%
- Ischemic heart disease36%
- Depression35%
- Anxiety32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fenton's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women65%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory George Fenton wrote 598 Medicare Part D claims in 2024
In 2024, Dr. Fenton wrote 598 Medicare Part D claims for 111 patients. 76% of them were for generic drugs. CMS names the drug for 487 of them, across 16 drugs with 11 or more claims each, at $97,947 in total drug cost. In 2023, CMS named 474 claims across 14 drugs.
Dr. Fenton's Part D claims by kind of drug, 2024
- Generic455 claims76%
- Brand-name143 claims24%
Dr. Fenton'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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4742024: 4873%
Drugs named by CMS: 16 in 2024, 14 in 2023.
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
Dr. Gregory George Fenton offers telehealth to Medicare patients
Dr. Fenton accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Fenton as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gregory George Fenton graduated from Boston University School Of Medicine
Dr. Fenton graduated from Boston University School Of Medicine in 2015.
- Medical school
- Board certified in clinical neurophysiology
- Board certified in neurology
Source: Dmand AI Professional Profile Data
Dr. Gregory George Fenton accepts plans from 16 insurance carriers
Dr. Fenton is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Cigna. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Cigna
- Elevance
- HCSC
- United Healthcare
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- +8 more carriersWith a free account
Plan types Dr. Fenton accepts, by number of carriers
- PPO11
- HMO8
- Medicare8
- POS7
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Gregory George Fenton'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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Gregory George Fenton
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. Gregory George Fenton's NPI number?
Dr. Gregory George Fenton's NPI number is 1295115079. It was assigned on June 5, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory George Fenton?
Dr. Gregory George Fenton is a neurologist in Chicago, Illinois. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Gregory George Fenton practice?
Dr. Fenton practices at 1653 West Congress Parkway, Chicago, IL 60612. Dr. Fenton's primary practice is Rush University Medical Center in Chicago, Illinois, part of Rush System for Health.
What is Dr. Gregory George Fenton's office phone number?
The practice phone on file for Dr. Fenton is (312) 942-5000.
What is Dr. Gregory George Fenton's medical license number?
Dr. Fenton holds Illinois license 03614967.
Which hospitals is Dr. Gregory George Fenton affiliated with?
Dr. Fenton practices at Rush University Medical Center in Chicago, Illinois. Dr. Fenton is also affiliated with Rush Oak Park Hospital.
What medical group is Dr. Gregory George Fenton part of?
Dr. Fenton is linked to Rush University Internists.
Does Dr. Gregory George Fenton accept Medicare?
Yes. CMS data shows Dr. Fenton billed Medicare for 355 services in 2024, and Dr. Fenton accepts Medicare assignment.
Does Dr. Gregory George Fenton offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Fenton as offering telehealth services.
How many Medicare patients does Dr. Gregory George Fenton see?
CMS counts 203 Medicare patients who saw Dr. Fenton in 2024, with an average age of 71.
Show 6 more questionsShow fewer questions
Is Dr. Gregory George Fenton board certified?
Yes. Dr. Fenton is board certified in clinical neurophysiology by the American Board of Psychiatry and Neurology.
What services does Dr. Gregory George Fenton bill to Medicare?
In 2024, Dr. Fenton's most billed Medicare services were medicare service (G2211), office visit, established patient (99215) and office visit, established patient (99214).
Where did Dr. Gregory George Fenton go to medical school?
Dr. Fenton graduated from Boston University School Of Medicine in 2015.
What drugs does Dr. Gregory George Fenton prescribe most?
In 2024 Medicare Part D data, Dr. Fenton's most prescribed drugs by claims were Gabapentin, Memantine HCl and Emgality Pen.
How long has Dr. Gregory George Fenton been practicing?
Dr. Fenton graduated from medical school in 2015, 11 years ago.
What insurance does Dr. Gregory George Fenton accept?
Dr. Fenton is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Cigna. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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