Dr. Bradley R. Gregg, MD
- Medicare services, 2024
- 643
- Medicare patients, 2024
- 606
- Part D claims, 2024
- 218
- MIPS score, 2024
- 93
- Hospital affiliations
- 2
- Practice address
- 232 S Woods Mill Rd, Chesterfield, MO 63017
- Practice phone
- Call (314) 434-1500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gregg'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. Bradley R. Gregg is an emergency medicine physician in Chesterfield, Missouri
Dr. Gregg practices at St. Luke's Hospital in Chesterfield, Missouri, part of St. Luke's Episcopal-Presbyterian Hospital.
Dr. Gregg's NPI, 1871549626, was assigned on May 25, 2006. Dr. Gregg holds Missouri license 115136.
- NPI
- 1871549626NPI Registry (opens in a new tab)
- NPI enumeration date
- May 25, 2006
- NPI status
- Active
- Practice phone
- (314) 434-1500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Bradley R. Gregg practices at St. Luke's Hospital in Chesterfield, Missouri
Dr. Gregg's primary practice is St. Luke's Hospital, at 232 S Woods Mill Rd, Chesterfield, MO 63017 in St. Louis County. The practice phone is (314) 434-1500.
- St. Luke's Hospital232 S Woods Mill Rd, Chesterfield, MO 63017 · St. Louis CountyPhone(314) 434-1500
Source: Dmand AI Affiliation Data
Dr. Bradley R. Gregg is affiliated with 3 sites of care and 1 medical group
Dr. Gregg's primary practice is St. Luke's Hospital in Chesterfield, Missouri, part of St. Luke's Episcopal-Presbyterian Hospital. Dr. Gregg is also affiliated with Select Specialty Hospital - St. Louis. The medical group on file is St. Luke's Hospital Emergency Department. Dmand AI also links Dr. Gregg to 1 more breast imaging center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Bradley R. Gregg's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gregg practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Luke's Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across St. Luke's Episcopal-Presbyterian Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Bradley R. Gregg is one of 1,063 emergency medicine physicians in Missouri
Emergency medicine is Dr. Gregg's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Gregg is licensed in Missouri.
Specialties and state licenses
- Emergency medicine, MissouriPrimary
Emergency medicine physicians near Dr. Gregg
Counts of emergency medicine 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. Bradley R. Gregg billed Medicare for 643 services in 2024
CMS data shows 643 Medicare services from Dr. Gregg across 4 procedure codes in 2024, for 606 Medicare patients. Medicare paid $73,352 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Gregg's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6232024: 6433%
Dr. Gregg compared with the Missouri median for emergency medicine physicians, 2024
- Dr. Gregg
- Missouri median
- Medicare services
- 643vs 2522.6 times
- Medicare patients
- 606vs 2622.3 times
- Part D claims
- 110vs 6959% above
Medians across 1,092 emergency medicine physicians in Missouri with Dmand AI profiles that report each measure.
Dr. Gregg'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. Gregg and other emergency medicine physicians in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Bradley R. Gregg treated 606 Medicare patients in 2024, average age 79
CMS counts 606 Medicare patients who saw Dr. Gregg in 2024. The largest group is 75 to 84, with 224 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.91, 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. Gregg's median patient age at 77, with 56% women.
Dr. Gregg's Medicare patients by age, 2024
Dr. Gregg's Medicare patients by sex, 2024
- Women34357%
- Men26343%
Chronic conditions among Dr. Gregg's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis64%
- Ischemic heart disease50%
- Anxiety44%
- Chronic kidney disease44%
- Atrial fibrillation43%
- Heart failure43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gregg's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Bradley R. Gregg wrote 218 Medicare Part D claims in 2024
In 2024, Dr. Gregg wrote 218 Medicare Part D claims for 165 patients. 96% of them were for generic drugs. CMS names the drug for 110 of them, across 4 drugs with 11 or more claims each, at $642 in total drug cost. In 2023, CMS named 67 claims across 3 drugs.
Dr. Gregg's Part D claims by kind of drug, 2024
- Generic210 claims96%
- Brand-name and other8 claims4%
Dr. Gregg'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.
Drug classes CMS tracks in Dr. Gregg's Part D claims, 2024
- Opioids31%67 of 218 claims
- Antibiotics23%50 of 218 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 672024: 11064%
Drugs named by CMS: 4 in 2024, 3 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. Bradley R. Gregg scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Gregg for performance year 2024, reported through an alternative payment model (APM).
Dr. Gregg's MIPS scores, performance year 2024
- 93of 100Final score
- 82.2of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Bradley R. Gregg received $287 in industry payments from 2016 to 2024
CMS Open Payments shows 17 general payments to Dr. Gregg from 7 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $134.
General payments to Dr. Gregg by program year, 2016 to 2024
Companies that paid Dr. Gregg the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Bradley R. Gregg'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 | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Bradley R. Gregg
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. Bradley R. Gregg's NPI number?
Dr. Bradley R. Gregg's NPI number is 1871549626. It was assigned on May 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Bradley R. Gregg?
Dr. Bradley R. Gregg is an emergency medicine physician in Chesterfield, Missouri. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Bradley R. Gregg practice?
Dr. Gregg practices at 232 S Woods Mill Rd, Chesterfield, MO 63017. Dr. Gregg's primary practice is St. Luke's Hospital in Chesterfield, Missouri, part of St. Luke's Episcopal-Presbyterian Hospital. Dmand AI also links Dr. Gregg to 1 breast imaging center.
What is Dr. Bradley R. Gregg's office phone number?
The practice phone on file for Dr. Gregg is (314) 434-1500.
What is Dr. Bradley R. Gregg's medical license number?
Dr. Gregg holds Missouri license 115136.
Which hospitals is Dr. Bradley R. Gregg affiliated with?
Dr. Gregg practices at St. Luke's Hospital in Chesterfield, Missouri. Dr. Gregg is also affiliated with Select Specialty Hospital - St. Louis.
What medical group is Dr. Bradley R. Gregg part of?
Dr. Gregg is linked to St. Luke's Hospital Emergency Department.
Does Dr. Bradley R. Gregg accept Medicare?
Yes. CMS data shows Dr. Gregg billed Medicare for 643 services in 2024.
What is Dr. Bradley R. Gregg's MIPS score?
Dr. Gregg's MIPS final score for performance year 2024 is 93 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Bradley R. Gregg see?
CMS counts 606 Medicare patients who saw Dr. Gregg in 2024, with an average age of 79.
Show 4 more questionsShow fewer questions
What services does Dr. Bradley R. Gregg bill to Medicare?
In 2024, Dr. Gregg's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
What drugs does Dr. Bradley R. Gregg prescribe most?
In 2024 Medicare Part D data, Dr. Gregg's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Methylprednisolone and Sulfamethoxazole-Trimethoprim.
Has Dr. Bradley R. Gregg received payments from drug or device companies?
CMS Open Payments shows $287 in general payments to Dr. Gregg from 7 companies from 2016 to 2024. The largest total came from Pfizer Inc.
How long has Dr. Bradley R. Gregg been practicing?
Dr. Gregg's NPI was assigned in 2006.
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