Dr. Robert J. Gresick Jr., MD
- Medicare services, 2024
- 2,460
- Medicare patients, 2024
- 1,799
- Part D claims, 2024
- 26
- Hospital affiliations
- 5
- Industry payments
- $175
- Practice address
- 1015 Bowles, Fenton, MO 63026
- Practice phone
- Call (636) 496-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gresick'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. Robert J. Gresick Jr. is a diagnostic radiologist in Fenton, Missouri
Dr. Gresick practices at SSM Health St. Clare Hospital - Fenton in Fenton, Missouri, part of SSM Health Care.
Dr. Gresick's NPI, 1992746937, was assigned on June 9, 2006. Dr. Gresick graduated from Saint Louis University School of Medicine in 1981. Dr. Gresick holds Missouri license R1F56.
- NPI
- 1992746937NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345249132
- NPI enumeration date
- June 9, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (636) 496-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert J. Gresick Jr. practices at SSM Health St. Clare Hospital - Fenton in Fenton, Missouri
Dr. Gresick's primary practice is SSM Health St. Clare Hospital - Fenton, at 1015 Bowles, Fenton, MO 63026 in Jefferson County. The practice phone is (636) 496-2000.
- SSM Health St. Clare Hospital - Fenton1015 Bowles, Fenton, MO 63026 · Jefferson CountyPhone(636) 496-2000
Source: Dmand AI Affiliation Data
Dr. Robert J. Gresick Jr. is affiliated with 6 sites of care and 5 medical groups
Dr. Gresick's primary practice is SSM Health St. Clare Hospital - Fenton in Fenton, Missouri, part of SSM Health Care. Dr. Gresick is also affiliated with SSM Health DePaul Hospital - St. Louis. The medical group on file is Ernst Radiology Clinic. Dmand AI also links Dr. Gresick to 3 more hospitals, 4 medical groups and 1 hospital outpatient department, 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. Robert J. Gresick Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gresick practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SSM Health St. Clare Hospital - Fenton | Available with a free account |
| +5 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert J. Gresick Jr. is one of 679 diagnostic radiologists in Missouri
Diagnostic radiology is Dr. Gresick's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dmand AI has Dr. Gresick's licenses on file in 2 states: Missouri and Illinois.
Specialties and state licenses
- Diagnostic radiology, MissouriPrimary
- Illinois license
Diagnostic radiologists near Dr. Gresick
Counts of diagnostic radiologists 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. Robert J. Gresick Jr. billed Medicare for 2,460 services in 2024
CMS data shows 2,460 Medicare services from Dr. Gresick across 42 procedure codes in 2024, for 1,799 Medicare patients. Medicare paid $97,261 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Gresick's Medicare services by type, 2024
- Imaging2,425
- Other services35
Dr. Gresick compared with the Missouri median for diagnostic radiologists, 2024
- Dr. Gresick
- Missouri median
- Medicare services
- 2,460vs 2,415Close to median
- Medicare patients
- 1,799vs 1,760Close to median
- Part D claims
- 22vs 1457% above
Medians across 648 diagnostic radiologists in Missouri with Dmand AI profiles that report each measure.
Dr. Gresick'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gresick and other diagnostic radiologists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert J. Gresick Jr. treated 1,799 Medicare patients in 2024, average age 73
CMS counts 1,799 Medicare patients who saw Dr. Gresick in 2024. The largest group is 65 to 74, with 788 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 1.78, 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. Gresick's median patient age at 68, with 65% women.
Dr. Gresick's Medicare patients by age, 2024
Dr. Gresick's Medicare patients by sex, 2024
- Women1,17165%
- Men62835%
Chronic conditions among Dr. Gresick's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Diabetes37%
- Anxiety35%
- Ischemic heart disease33%
- Chronic kidney disease32%
- Mood disorders32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gresick's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women65%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert J. Gresick Jr. wrote 26 Medicare Part D claims in 2024
In 2024, Dr. Gresick wrote 26 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 22 of them, across 1 drug with 11 or more claims each, at $144 in total drug cost.
Dr. Gresick'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.
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. Robert J. Gresick Jr. takes part in Medicare
Dr. Gresick accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Robert J. Gresick Jr. received $175 in industry payments from 2024 to 2025
CMS Open Payments shows 3 general payments to Dr. Gresick from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. HeartFlow, Inc. paid the most, $129.
General payments to Dr. Gresick by program year, 2024 to 2025
Companies that paid Dr. Gresick the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert J. Gresick Jr. graduated from Saint Louis University School of Medicine
Dr. Gresick graduated from Saint Louis University School of Medicine in 1981.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert J. Gresick Jr.'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) |
| 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. Robert J. Gresick Jr.
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. Robert J. Gresick Jr.'s NPI number?
Dr. Robert J. Gresick Jr.'s NPI number is 1992746937. It was assigned on June 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert J. Gresick Jr.?
Dr. Robert J. Gresick Jr. is a diagnostic radiologist in Fenton, Missouri. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Robert J. Gresick Jr. practice?
Dr. Gresick practices at 1015 Bowles, Fenton, MO 63026. Dr. Gresick's primary practice is SSM Health St. Clare Hospital - Fenton in Fenton, Missouri, part of SSM Health Care. Dmand AI also links Dr. Gresick to 3 hospitals, 4 medical groups and 1 hospital outpatient department.
What is Dr. Robert J. Gresick Jr.'s office phone number?
The practice phone on file for Dr. Gresick is (636) 496-2000.
What is Dr. Robert J. Gresick Jr.'s medical license number?
Dr. Gresick holds Missouri license R1F56, one of the licenses on file in 2 states.
Which states has Dr. Robert J. Gresick Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Gresick in Missouri and Illinois.
Which hospitals is Dr. Robert J. Gresick Jr. affiliated with?
Dr. Gresick practices at SSM Health St. Clare Hospital - Fenton in Fenton, Missouri. Dr. Gresick is also affiliated with SSM Health DePaul Hospital - St. Louis. Dmand AI links Dr. Gresick to 3 more hospitals.
What medical group is Dr. Robert J. Gresick Jr. part of?
Dr. Gresick is linked to Ernst Radiology Clinic. Dmand AI links Dr. Gresick to 4 more medical groups.
Does Dr. Robert J. Gresick Jr. accept Medicare?
Yes. CMS data shows Dr. Gresick billed Medicare for 2,460 services in 2024, and Dr. Gresick accepts Medicare assignment.
How many Medicare patients does Dr. Robert J. Gresick Jr. see?
CMS counts 1,799 Medicare patients who saw Dr. Gresick in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. Robert J. Gresick Jr. bill to Medicare?
In 2024, Dr. Gresick's most billed Medicare services were radiation oncology (77067), radiation oncology (77063) and diagnostic imaging (71045).
Where did Dr. Robert J. Gresick Jr. go to medical school?
Dr. Gresick graduated from Saint Louis University School of Medicine in 1981.
What drugs does Dr. Robert J. Gresick Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Gresick's most prescribed drugs by claims were Methylprednisolone.
Has Dr. Robert J. Gresick Jr. received payments from drug or device companies?
CMS Open Payments shows $175 in general payments to Dr. Gresick from 2 companies from 2024 to 2025. The largest total came from HeartFlow, Inc.
How long has Dr. Robert J. Gresick Jr. been practicing?
Dr. Gresick graduated from medical school in 1981, 45 years ago.
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