Dr. Brian A. Grus, MD
- Medicare services, 2024
- 2,104
- Medicare patients, 2024
- 432
- Part D claims, 2024
- 14,822
- Hospital affiliations
- 7
- Industry payments
- $819
- Practice address
- 3015 N Ballas Rd, Saint Louis, MO 63131
- Practice phone
- Call (314) 996-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Grus' 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. Brian A. Grus is an internist in Saint Louis, Missouri
Dr. Grus practices at Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health.
Dr. Grus' NPI, 1053421065, was assigned on August 30, 2006. Dr. Grus graduated from Perelman School of Med at the University of Pennsylvania in 1992. Dr. Grus holds Missouri license 101019.
- NPI
- 1053421065NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688776511
- NPI enumeration date
- August 30, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (314) 996-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brian A. Grus practices at Missouri Baptist Medical Center in Saint Louis, Missouri
Dr. Grus' primary practice is Missouri Baptist Medical Center, at 3015 N Ballas Rd, Saint Louis, MO 63131 in St. Louis County. The practice phone is (314) 996-5000.
- Missouri Baptist Medical Center3015 N Ballas Rd, Saint Louis, MO 63131 · St. Louis CountyPhone(314) 996-5000
Source: Dmand AI Affiliation Data
Dr. Brian A. Grus is affiliated with 12 sites of care and 1 medical group
Dr. Grus' primary practice is Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health. Dr. Grus is also affiliated with Barnes-Jewish Hospital. The medical group on file is BJC Medical Group. Dmand AI also links Dr. Grus to 5 more hospitals, 4 home health agencies and 1 group practice or clinic, 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. Brian A. Grus' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grus practices, 12 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Missouri Baptist Medical Center | Available with a free account |
| +11 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Brian A. Grus is one of 2,114 internists in Missouri
Internal medicine is Dr. Grus' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Grus is board certified in internal medicine by the American Board of Internal Medicine. Dr. Grus is licensed in Missouri.
Specialties and state licenses
- Internal medicine, MissouriPrimary
Internists near Dr. Grus
Counts of internists 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. Brian A. Grus billed Medicare for 2,104 services in 2024
CMS data shows 2,104 Medicare services from Dr. Grus across 13 procedure codes in 2024, for 432 Medicare patients. Medicare paid $110,755 for them. Every service was in an office.
Dr. Grus' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 6192024: 75522%
- Office and hospital visits
- 2023: 8232024: 71114%
- Surgery
- 2023: 5632024: 47516%
- Tests and treatments
- 2023: 1872024: 13926%
- Lab and pathology
- 2023: 172024: 2441%
Dr. Grus compared with the Missouri median for internists, 2024
- Dr. Grus
- Missouri median
- Medicare services
- 2,104vs 5304.0 times
- Medicare patients
- 432vs 2112.0 times
- Part D claims
- 14,003vs 32543.1 times
Medians across 2,076 internists in Missouri with Dmand AI profiles that report each measure.
Dr. Grus' 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. Grus and other internists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brian A. Grus treated 432 Medicare patients in 2024, average age 75
CMS counts 432 Medicare patients who saw Dr. Grus in 2024. The largest group is 65 to 74, with 179 patients. 73% of them have high blood pressure, and 60% have high cholesterol. 3% are also on Medicaid. Their average risk score is 1.34, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Grus' median patient age at 71, with 41% women.
Dr. Grus' Medicare patients by age, 2024
Dr. Grus' Medicare patients by sex, 2024
- Women19645%
- Men23655%
Chronic conditions among Dr. Grus' Medicare patients, 2024
- High blood pressure73%
- High cholesterol60%
- Arthritis47%
- Diabetes29%
- Chronic kidney disease25%
- Heart failure25%
- Ischemic heart disease25%
- Depression24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grus' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women41%
- Men59%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Brian A. Grus wrote 14,822 Medicare Part D claims in 2024
In 2024, Dr. Grus wrote 14,822 Medicare Part D claims for 1,152 patients. 88% of them were for generic drugs. CMS names the drug for 14,003 of them, across 178 drugs with 11 or more claims each, at $936,916 in total drug cost. In 2023, CMS named 13,217 claims across 173 drugs.
Dr. Grus' Part D claims by kind of drug, 2024
- Generic13,099 claims88%
- Brand-name1,647 claims11%
- Other76 claims1%
Dr. Grus' 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. Grus' Part D claims, 2024
- Opioids3%435 of 14,822 claims
- Antibiotics3%477 of 14,822 claims
- Antipsychotics, patients 65 and over1%83 of 14,822 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: 13,2172024: 14,0036%
Drugs named by CMS: 178 in 2024, 173 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. Brian A. Grus offers telehealth to Medicare patients
Dr. Grus accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Grus as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Brian A. Grus received $819 in industry payments from 2016 to 2024
CMS Open Payments shows 50 general payments to Dr. Grus from 11 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 99% of the total. Pfizer Inc. paid the most, $253.
General payments to Dr. Grus by program year, 2016 to 2024
General payments to Dr. Grus by kind, 2016 to 2024
- Food and beverage$80799%
- Education$121%
Companies that paid Dr. Grus the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Brian A. Grus graduated from Perelman School of Med at the University of Pennsylvania
Dr. Grus graduated from Perelman School of Med at the University of Pennsylvania in 1992.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Brian A. Grus'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. Brian A. Grus
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. Brian A. Grus' NPI number?
Dr. Brian A. Grus' NPI number is 1053421065. It was assigned on August 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Brian A. Grus?
Dr. Brian A. Grus is an internist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Brian A. Grus practice?
Dr. Grus practices at 3015 N Ballas Rd, Saint Louis, MO 63131. Dr. Grus' primary practice is Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health. Dmand AI also links Dr. Grus to 5 hospitals, 4 home health agencies and 1 group practice or clinic.
What is Dr. Brian A. Grus' office phone number?
The practice phone on file for Dr. Grus is (314) 996-5000.
What is Dr. Brian A. Grus' medical license number?
Dr. Grus holds Missouri license 101019.
Which hospitals is Dr. Brian A. Grus affiliated with?
Dr. Grus practices at Missouri Baptist Medical Center in Saint Louis, Missouri. Dr. Grus is also affiliated with Barnes-Jewish Hospital. Dmand AI links Dr. Grus to 5 more hospitals.
What medical group is Dr. Brian A. Grus part of?
Dr. Grus is linked to BJC Medical Group.
Does Dr. Brian A. Grus accept Medicare?
Yes. CMS data shows Dr. Grus billed Medicare for 2,104 services in 2024, and Dr. Grus accepts Medicare assignment.
Does Dr. Brian A. Grus offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Grus as offering telehealth services.
How many Medicare patients does Dr. Brian A. Grus see?
CMS counts 432 Medicare patients who saw Dr. Grus in 2024, with an average age of 75.
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Is Dr. Brian A. Grus board certified?
Yes. Dr. Grus is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Brian A. Grus bill to Medicare?
In 2024, Dr. Grus' most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99213) and medicare service (G0439).
Where did Dr. Brian A. Grus go to medical school?
Dr. Grus graduated from Perelman School of Med at the University of Pennsylvania in 1992.
What drugs does Dr. Brian A. Grus prescribe most?
In 2024 Medicare Part D data, Dr. Grus' most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Amlodipine Besylate.
Has Dr. Brian A. Grus received payments from drug or device companies?
CMS Open Payments shows $819 in general payments to Dr. Grus from 11 companies from 2016 to 2024. The largest total came from Pfizer Inc.
How long has Dr. Brian A. Grus been practicing?
Dr. Grus graduated from medical school in 1992, 34 years ago.
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