Dr. Robert Thomas Grissom, MD
- Medicare services, 2023
- 1,970
- Part D claims, 2024
- 705
- MIPS score, 2024
- 87
- Industry payments
- $4,730
- State license
- 1
- Practice address
- 8080 Bluebonnet Blvd, Baton Rouge, LA 70810
- Practice phone
- Call (225) 766-8100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Grissom's professional email, personal email and mobile number
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Dr. Robert Thomas Grissom is a urologist in Baton Rouge, Louisiana
Dr. Grissom practices in Baton Rouge, Louisiana.
Dr. Grissom's NPI, 1457388639, was assigned on June 26, 2006. Dr. Grissom graduated from Tulane University School of Medicine in 1975. Dr. Grissom holds Louisiana license 05411R.
- NPI
- 1457388639NPI Registry (opens in a new tab)
- NPI enumeration date
- June 26, 2006
- NPI status
- Active
- Practice phone
- (225) 766-8100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 77
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Robert Thomas Grissom's practice address is in Baton Rouge, Louisiana
Dr. Grissom's practice address in the NPI Registry is 8080 Bluebonnet Blvd, Baton Rouge, LA 70810, in East Baton Rouge Parish. The practice phone is (225) 766-8100.
- NPI Registry address8080 Bluebonnet Blvd, Baton Rouge, LA 70810 · East Baton Rouge ParishPhone(225) 766-8100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Robert Thomas Grissom's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grissom practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Grissom's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Thomas Grissom is one of 179 urologists in Louisiana
Urology is Dr. Grissom's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Grissom is licensed in Louisiana.
Specialties and state licenses
- Urology, LouisianaPrimary
Urologists near Dr. Grissom
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
Dr. Robert Thomas Grissom billed Medicare for 1,970 services in 2023
CMS data shows 1,970 Medicare services from Dr. Grissom across 11 procedure codes in 2023. Medicare paid $59,269 for them. Every service was in an office.
Dr. Grissom's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Lab and pathology
- 2022: 7162023: 7637%
- Office and hospital visits
- 2022: 7262023: 7483%
- Imaging
- 2022: 2012023: 32059%
- Tests and treatments
- 2022: 1022023: 7130%
- Surgery
- 2022: 1162023: 5057%
- Drugs given in the office
- 2022: 212023: 1814%
Dr. Grissom compared with the Louisiana median for urologists, 2023
- Dr. Grissom
- Louisiana median
- Medicare services
- 1,970vs 9562.1 times
- Part D claims
- 575vs 1,12149% below
Medians across 182 urologists in Louisiana with Dmand AI profiles that report each measure.
Dr. Grissom's most billed Medicare procedure codes, 2023
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 Dr. Grissom?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grissom and other urologists in Louisiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Thomas Grissom's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Grissom's median patient age at 69, with 20% women.
Dr. Grissom's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women20%
- Men79%
Source: Dmand AI Patient Panel Data
Dr. Robert Thomas Grissom wrote 705 Medicare Part D claims in 2024
In 2024, Dr. Grissom wrote 705 Medicare Part D claims for 224 patients. 90% of them were for generic drugs. CMS names the drug for 575 of them, across 12 drugs with 11 or more claims each, at $47,233 in total drug cost. In 2023, CMS named 2,581 claims across 33 drugs.
Dr. Grissom's Part D claims by kind of drug, 2024
- Generic634 claims90%
- Brand-name71 claims10%
Dr. Grissom'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. Grissom's Part D claims, 2024
- Antibiotics19%133 of 705 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: 2,5812024: 57578%
Drugs named by CMS: 12 in 2024, 33 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. Robert Thomas Grissom scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Grissom for performance year 2024, reported as part of a group.
Dr. Grissom's MIPS scores, performance year 2024
- 87of 100Final score
- 85of 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. Robert Thomas Grissom received $4,730 in industry payments from 2016 to 2024
CMS Open Payments shows 288 general payments to Dr. Grissom from 43 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Astellas Pharma US Inc paid the most, $1,395.
General payments to Dr. Grissom by program year, 2016 to 2024
General payments to Dr. Grissom by kind, 2016 to 2024
- Food and beverage$4,719100%
- Education$110%
Companies that paid Dr. Grissom 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. Robert Thomas Grissom graduated from Tulane University School of Medicine
Dr. Grissom graduated from Tulane University School of Medicine in 1975.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert Thomas Grissom'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 |
| 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 Data |
| 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) |
| 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 Thomas Grissom
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 Thomas Grissom's NPI number?
Dr. Robert Thomas Grissom's NPI number is 1457388639. It was assigned on June 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Thomas Grissom?
Dr. Robert Thomas Grissom is a urologist in Baton Rouge, Louisiana. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Robert Thomas Grissom practice?
Dr. Grissom practices at 8080 Bluebonnet Blvd, Baton Rouge, LA 70810.
What is Dr. Robert Thomas Grissom's office phone number?
The practice phone on file for Dr. Grissom is (225) 766-8100.
What is Dr. Robert Thomas Grissom's medical license number?
Dr. Grissom holds Louisiana license 05411R.
Does Dr. Robert Thomas Grissom accept Medicare?
Yes. CMS data shows Dr. Grissom billed Medicare for 1,970 services in 2023.
What is Dr. Robert Thomas Grissom's MIPS score?
Dr. Grissom's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
What services does Dr. Robert Thomas Grissom bill to Medicare?
In 2023, Dr. Grissom's most billed Medicare services were lab and pathology test (81000), office visit, established patient (99212) and office visit, established patient (99214).
Where did Dr. Robert Thomas Grissom go to medical school?
Dr. Grissom graduated from Tulane University School of Medicine in 1975.
What drugs does Dr. Robert Thomas Grissom prescribe most?
In 2024 Medicare Part D data, Dr. Grissom's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Myrbetriq.
Has Dr. Robert Thomas Grissom received payments from drug or device companies?
CMS Open Payments shows $4,730 in general payments to Dr. Grissom from 43 companies from 2016 to 2024. The largest total came from Astellas Pharma US Inc.
How long has Dr. Robert Thomas Grissom been practicing?
Dr. Grissom graduated from medical school in 1975, 51 years ago.
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