Physician Profile
Unclaimed ProfileAbout GRUS
Brian A Grus, MD is a healthcare provider in O Fallon, MO specialising in internal medicine. Brian trained at Perelman School of Med at the University of Pennsylvania, graduating in 1992.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Grus's specialty?
Dr. Grus is an internal medicine in O Fallon, MO. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where can I find Dr. Grus?
Dr. Grus is listed at 20 PROGRESS POINT PKWY STE 108, O Fallon, MO 63368. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Grus?
The number on file is (636) 344-2400. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Grus?
Dr. Grus's National Provider Identifier is 1053421065. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Grus's medical education?
Dr. Grus attended Perelman School of Med at the University of Pennsylvania, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Grus have?
Dr. Grus has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Grus known for?
According to Medicare billing data, Dr. Grus performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as influenza vaccine split virus, preservative free and sarscv2 vac 30mcg trs-suc im, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Grus's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Grus. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (636) 344-2400
- Email not available
Practice Locations
20 PROGRESS POINT PKWY STE 108
O Fallon, MO 63368
Procedures Most Often Billed to Medicare
2,104 services · 1,564 patients · 13 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
475 |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
101 |
| Sarscv2 vac 30mcg trs-suc im | Treatment | 91320 |
19 |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
19 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
453 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
303 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
303 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
232 |
| Administration of influenza virus vaccine | Billing code | G0008 |
108 |
| Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | Billing code | G0180 |
29 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internal medicines at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 30 related providers in 4 groups
Other internal medicines in O Fallon 7
Same specialty, same city.
Trained at Perelman School of Med at the University of Pennsylvania 8
Other providers in the same specialty who trained at the same institution.
Class of 1992 at Perelman School of Med at the University of Pennsylvania 7
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in MO who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.