Gregory T. Bales
- Medicare services, 2024
- 276
- Medicare patients, 2024
- 199
- Part D claims, 2024
- 158
- Publications
- 69
- Clinical trials
- 1
- Practice address
- 20201 Crawford Ave, Olympia Fields, IL 60461
- Practice phone
- Call (708) 852-2953
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Prime Healthcare Olympia Fields
Olympia Fields, Illinois
Find Gregory Bales' 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.
Gregory T. Bales is a urologist in Olympia Fields, Illinois
Gregory Bales practices at Prime Healthcare Olympia Fields in Olympia Fields, Illinois.
Gregory Bales' NPI, 1184789919, was assigned on December 22, 2006. Gregory Bales graduated from Tufts University School Of Medicine in 1990. Gregory Bales holds Illinois license 036090610.
- NPI
- 1184789919NPI Registry (opens in a new tab)
- NPI enumeration date
- December 22, 2006
- NPI status
- Active
- Practice phone
- (708) 852-2953
- 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; and Dmand AI Practice Data
Gregory T. Bales practices at Prime Healthcare Olympia Fields in Olympia Fields, Illinois
Gregory Bales' primary practice is Prime Healthcare Olympia Fields, at 20201 Crawford Ave, Olympia Fields, IL 60461 in Cook County. The practice phone is (708) 852-2953.
- Prime Healthcare Olympia Fields20201 Crawford Ave, Olympia Fields, IL 60461 · Cook CountyPhone(708) 852-2953
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Gregory T. Bales is affiliated with 1 site of care and 1 medical group
Gregory Bales' primary practice is Prime Healthcare Olympia Fields in Olympia Fields, Illinois. The medical group on file is UChicago Medicine Physicians.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Gregory T. Bales' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Bales practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Prime Healthcare Olympia Fields | Available with a free account |
Source: Dmand AI Technology Install Data
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Gregory T. Bales is one of 513 urologists in Illinois
Urology is Gregory Bales' primary specialty in the NPI Registry, under taxonomy code 208800000X. Gregory Bales is board certified in female pelvic medicine and reconstructive surgery by the American Board of Urology. Dmand AI has Gregory Bales' licenses on file in 3 states: Illinois, Indiana and Florida.
Specialties and state licenses
- Urology, IllinoisPrimary
- Indiana license
- Florida license
Clinical focus
Dmand AI lists prostate cancer among the conditions Gregory Bales treats.
Urologists near Gregory Bales
Counts of urologists 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
Gregory T. Bales billed Medicare for 276 services in 2024
CMS data shows 276 Medicare services from Gregory Bales across 6 procedure codes in 2024, for 199 Medicare patients. Medicare paid $17,522 for them.
Gregory Bales' Medicare services by type, 2022 to 2024
- 2022
- 2024
- Office and hospital visits
- 2022: 452024: 196336%
- Lab and pathology
- 2022: 02024: 80
Where Gregory Bales' Medicare services took place, 2024
- In an office24488%
- In a facility3212%
Gregory Bales compared with the Illinois median for urologists, 2024
- Gregory Bales
- Illinois median
- Medicare services
- 276vs 1,32379% below
- Medicare patients
- 199vs 49059% below
- Part D claims
- 66vs 35882% below
Medians across 498 urologists in Illinois with Dmand AI profiles that report each measure.
Gregory Bales' 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 Gregory Bales?
Medicare shows one payer. Book a meeting to get commercial claims data for Gregory Bales and other urologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Gregory T. Bales treated 199 Medicare patients in 2024, average age 73
CMS counts 199 Medicare patients who saw Gregory Bales in 2024. The largest group is 65 to 74, with 86 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.61, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Gregory Bales' median patient age at 70, with 32% women.
Gregory Bales' Medicare patients by age, 2024
Gregory Bales' Medicare patients by sex, 2024
- Women7337%
- Men12663%
Chronic conditions among Gregory Bales' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- Diabetes37%
- Ischemic heart disease37%
- Chronic kidney disease34%
- Anxiety30%
- Mood disorders28%
Share of Medicare patients with each condition. A patient can have several.
Gregory Bales' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women32%
- Men67%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Gregory T. Bales wrote 158 Medicare Part D claims in 2024
In 2024, Gregory Bales wrote 158 Medicare Part D claims for 78 patients. 80% of them were for generic drugs. CMS names the drug for 66 of them, across 3 drugs with 11 or more claims each, at $937 in total drug cost. In 2022, CMS named 176 claims across 6 drugs.
Gregory Bales' Part D claims by kind of drug, 2024
- Generic127 claims80%
- Brand-name31 claims20%
Gregory Bales' 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.
Drug classes CMS tracks in Gregory Bales' Part D claims, 2024
- Antibiotics28%45 of 158 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 1762024: 6663%
Drugs named by CMS: 3 in 2024, 6 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
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Gregory T. Bales has 69 publications on record
Dmand AI links 69 papers to Gregory Bales, published from 2007 to 2017. 2016 was the busiest year, with 6. The most frequent topics are Postoperative Complications, Prostatectomy and Urinary Bladder. Gregory Bales has published most often in Urology. Gregory Bales' most frequent co-authors are Joshua Aaron Cohn, MD, Sarah F. Faris and Desiderio Avila, MD.
Gregory Bales' papers by year, 2007 to 2017
Topics Gregory Bales writes about most
- Postoperative Complications
- Prostatectomy
- Urinary Bladder
- Prostatic Hyperplasia
- Urinary Incontinence, Stress
- Cystectomy
- Urologic Surgical Procedures
- Laparoscopy
Gregory Bales' most frequent co-authors
Recent publications by Gregory Bales
Neurourol Urodyn
See who Gregory Bales researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Gregory Bales works with, so you can find a warm path to the right urologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Gregory T. Bales has worked on 1 clinical trial
Dmand AI links Gregory Bales to 1 clinical trial. Conditions studied include Urinary Incontinence, Stress and Urinary Incontinence.
Conditions in Gregory Bales' trials
- Urinary Incontinence, Stress
- Urinary Incontinence
Investigators on the most trials with Gregory Bales
Recent clinical trials with Gregory Bales
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Gregory T. Bales received $76,735 in industry payments from 2016 to 2024
CMS Open Payments shows 120 general payments to Gregory Bales from 8 drug and device companies from 2016 to 2024. Speaker and faculty fees make up the largest share, 89% of the total. Boston Scientific Corporation paid the most, $45,761.
General payments to Gregory Bales by program year, 2016 to 2024
General payments to Gregory Bales by kind, 2016 to 2024
- Speaker and faculty fees$68,18989%
- Food and beverage$3,6915%
- Consulting fees$2,4003%
- Travel and lodging$1,9553%
- Education$5001%
Companies that paid Gregory Bales the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Gregory T. Bales has 6 awards and honors on record
Dmand AI lists 6 awards for Gregory Bales, most recently America's Top Doctors in 2014.
Awards and honors for Gregory Bales
- 2014
- America's Top Doctors
- Chicago Magazine: Top Doctors
- 2013
- CMS Stage 1 EHR
- 2011
- Chicago Magazine - Women's Health
- Undated
- Checkbook Top Doc
- Super Doc
Source: Dmand AI Professional Profile Data
Gregory T. Bales graduated from Tufts University School Of Medicine
Gregory Bales graduated from Tufts University School Of Medicine in 1990.
- Medical school
- Board certified in female pelvic medicine and reconstructive surgery
- Board certified in urology
Source: Dmand AI Professional Profile Data
Gregory T. Bales accepts plans from 10 insurance carriers
Gregory Bales is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and HCSC. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- HCSC
- Humana
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Blue Cross and Blue Shield of Kansas City
- +2 more carriersWith a free account
Plan types Gregory Bales accepts, by number of carriers
- Medicare8
- PPO6
- HMO5
- POS5
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Gregory T. Bales'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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 Gregory T. Bales
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What is Gregory T. Bales' NPI number?
Gregory T. Bales' NPI number is 1184789919. It was assigned on December 22, 2006, and it is active in the NPI Registry.
What does Gregory T. Bales specialize in?
Gregory T. Bales is a urologist in Olympia Fields, Illinois. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Gregory T. Bales practice?
Gregory Bales practices at 20201 Crawford Ave, Olympia Fields, IL 60461. Gregory Bales' primary practice is Prime Healthcare Olympia Fields in Olympia Fields, Illinois.
What is Gregory T. Bales' office phone number?
The practice phone on file for Gregory Bales is (708) 852-2953.
What is Gregory T. Bales' medical license number?
Gregory Bales holds Illinois license 036090610, one of the licenses on file in 3 states.
Which states has Gregory T. Bales been licensed in?
Dmand AI has state licenses on file for Gregory Bales in Illinois (1995 to 2026), Indiana (2000 to 2025) and Florida (2014 to 2016).
What medical group is Gregory T. Bales part of?
Gregory Bales is linked to UChicago Medicine Physicians.
Does Gregory T. Bales accept Medicare?
Yes. CMS data shows Gregory Bales billed Medicare for 276 services in 2024.
How many Medicare patients does Gregory T. Bales see?
CMS counts 199 Medicare patients who saw Gregory Bales in 2024, with an average age of 73.
Is Gregory T. Bales board certified?
Yes. Gregory Bales is board certified in female pelvic medicine and reconstructive surgery by the American Board of Urology.
Show 8 more questionsShow fewer questions
What services does Gregory T. Bales bill to Medicare?
In 2024, Gregory Bales' most billed Medicare services were office visit, new patient (99203), lab and pathology test (81003) and office visit, established patient (99213).
Where did Gregory T. Bales go to medical school?
Gregory Bales graduated from Tufts University School Of Medicine in 1990.
What drugs does Gregory T. Bales prescribe most?
In 2024 Medicare Part D data, Gregory Bales' most prescribed drugs by claims were Tamsulosin HCl, Trospium Chloride and Nitrofurantoin Mono-Macro.
Has Gregory T. Bales received payments from drug or device companies?
CMS Open Payments shows $76,735 in general payments to Gregory Bales from 8 companies from 2016 to 2024. The largest total came from Boston Scientific Corporation.
How long has Gregory T. Bales been practicing?
Gregory Bales graduated from medical school in 1990, 36 years ago.
Does Gregory T. Bales do research?
Dmand AI links 69 publications to Gregory Bales, published from 2007 to 2017. Gregory Bales has worked on 1 clinical trial.
Who does Gregory T. Bales publish with?
Gregory Bales' most frequent co-authors are Joshua Aaron Cohn, MD (7 shared papers), Sarah F. Faris (6 shared papers) and Desiderio Avila, MD (3 shared papers).
What insurance does Gregory T. Bales accept?
Gregory Bales is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and HCSC. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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