Dr. Gregory Robbert Vorhoff, MD
- Medicare services, 2024
- 316
- Medicare patients, 2024
- 215
- Part D claims, 2024
- 4,337
- Industry payments
- $1,417
- Affiliated sites
- 2
- Practice address
- 8000 W Judge Perez Dr, Chalmette, LA 70043
- Practice phone
- Call (504) 842-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ochsner Medical Center
Chalmette, Louisiana
Find Dr. Vorhoff's professional email, personal email and mobile number
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Dr. Gregory Robbert Vorhoff is a cardiologist in Chalmette, Louisiana
Dr. Vorhoff practices at Ochsner Medical Center in Chalmette, Louisiana.
Dr. Vorhoff's NPI, 1003815903, was assigned on July 21, 2005. Dr. Vorhoff graduated from Tulane University School of Medicine in 1979. Dr. Vorhoff holds Louisiana license 015332.
- NPI
- 1003815903NPI Registry (opens in a new tab)
- NPI enumeration date
- July 21, 2005
- NPI status
- Active
- Practice phone
- (504) 842-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Gregory Robbert Vorhoff practices at Ochsner Medical Center in Chalmette, Louisiana
Dr. Vorhoff's primary practice is Ochsner Medical Center, at 8000 W Judge Perez Dr, Chalmette, LA 70043 in Saint Bernard Parish. The practice phone is (504) 842-3000.
- Ochsner Medical Center8000 W Judge Perez Dr, Chalmette, LA 70043 · Saint Bernard ParishPhone(504) 842-3000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gregory Robbert Vorhoff is affiliated with 3 sites of care and 2 medical groups
Dr. Vorhoff's primary practice is Ochsner Medical Center in Chalmette, Louisiana. The medical group on file is Ochsner Health. Dmand AI also links Dr. Vorhoff to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gregory Robbert Vorhoff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Vorhoff practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ochsner Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Robbert Vorhoff is one of 269 cardiologists in Louisiana
Cardiovascular disease is Dr. Vorhoff's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Vorhoff is licensed in Louisiana.
Specialties and state licenses
- Cardiovascular disease, LouisianaPrimary
Cardiologists near Dr. Vorhoff
Counts of cardiologists 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. Gregory Robbert Vorhoff billed Medicare for 316 services in 2024
CMS data shows 316 Medicare services from Dr. Vorhoff across 3 procedure codes in 2024, for 215 Medicare patients. Medicare paid $4,411 for them.
Dr. Vorhoff's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,0292024: 23377%
- Office and hospital visits
- 2023: 3112024: 8373%
Where Dr. Vorhoff's Medicare services took place, 2024
- In an office13643%
- In a facility18057%
Dr. Vorhoff compared with the Louisiana median for cardiologists, 2024
- Dr. Vorhoff
- Louisiana median
- Medicare services
- 316vs 1,69581% below
- Medicare patients
- 215vs 70870% below
- Part D claims
- 4,066vs 2,11492% above
Medians across 269 cardiologists in Louisiana with Dmand AI profiles that report each measure.
Dr. Vorhoff'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Robbert Vorhoff treated 215 Medicare patients in 2024, average age 73
CMS counts 215 Medicare patients who saw Dr. Vorhoff in 2024. The largest group is 65 to 74, with 78 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 30% are also on Medicaid. Their average risk score is 2.02, 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. Vorhoff's median patient age at 71, with 50% women.
Dr. Vorhoff's Medicare patients by age, 2024
Dr. Vorhoff's Medicare patients by sex, 2024
- Women10951%
- Men10649%
Chronic conditions among Dr. Vorhoff's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Ischemic heart disease45%
- Chronic kidney disease40%
- Diabetes40%
- Heart failure37%
- Anxiety36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Vorhoff's 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
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory Robbert Vorhoff wrote 4,337 Medicare Part D claims in 2024
In 2024, Dr. Vorhoff wrote 4,337 Medicare Part D claims for 579 patients. 84% of them were for generic drugs. CMS names the drug for 4,066 of them, across 54 drugs with 11 or more claims each, at $531,831 in total drug cost. In 2023, CMS named 5,545 claims across 60 drugs.
Dr. Vorhoff's Part D claims by kind of drug, 2024
- Generic3,652 claims84%
- Brand-name685 claims16%
Dr. Vorhoff'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. Vorhoff's Part D claims, 2024
- Antibiotics0%16 of 4,337 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: 5,5452024: 4,06627%
Drugs named by CMS: 54 in 2024, 60 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
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Dr. Gregory Robbert Vorhoff received $1,417 in industry payments from 2016 to 2024
CMS Open Payments shows 81 general payments to Dr. Vorhoff from 18 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $323.
General payments to Dr. Vorhoff by program year, 2016 to 2024
Companies that paid Dr. Vorhoff 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. Gregory Robbert Vorhoff graduated from Tulane University School of Medicine
Dr. Vorhoff graduated from Tulane University School of Medicine in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory Robbert Vorhoff'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| 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. Gregory Robbert Vorhoff
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. Gregory Robbert Vorhoff's NPI number?
Dr. Gregory Robbert Vorhoff's NPI number is 1003815903. It was assigned on July 21, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Robbert Vorhoff?
Dr. Gregory Robbert Vorhoff is a cardiologist in Chalmette, Louisiana. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Gregory Robbert Vorhoff practice?
Dr. Vorhoff practices at 8000 W Judge Perez Dr, Chalmette, LA 70043. Dr. Vorhoff's primary practice is Ochsner Medical Center in Chalmette, Louisiana. Dmand AI also links Dr. Vorhoff to 2 group practices and clinics and 1 medical group.
What is Dr. Gregory Robbert Vorhoff's office phone number?
The practice phone on file for Dr. Vorhoff is (504) 842-3000.
What is Dr. Gregory Robbert Vorhoff's medical license number?
Dr. Vorhoff holds Louisiana license 015332.
What medical group is Dr. Gregory Robbert Vorhoff part of?
Dr. Vorhoff is linked to Ochsner Health. Dmand AI links Dr. Vorhoff to 1 more medical group.
Does Dr. Gregory Robbert Vorhoff accept Medicare?
Yes. CMS data shows Dr. Vorhoff billed Medicare for 316 services in 2024.
How many Medicare patients does Dr. Gregory Robbert Vorhoff see?
CMS counts 215 Medicare patients who saw Dr. Vorhoff in 2024, with an average age of 73.
What services does Dr. Gregory Robbert Vorhoff bill to Medicare?
In 2024, Dr. Vorhoff's most billed Medicare services were heart test or procedure (93010), office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. Gregory Robbert Vorhoff go to medical school?
Dr. Vorhoff graduated from Tulane University School of Medicine in 1979.
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What drugs does Dr. Gregory Robbert Vorhoff prescribe most?
In 2024 Medicare Part D data, Dr. Vorhoff's most prescribed drugs by claims were Metoprolol Succinate, Eliquis and Atorvastatin Calcium.
Has Dr. Gregory Robbert Vorhoff received payments from drug or device companies?
CMS Open Payments shows $1,417 in general payments to Dr. Vorhoff from 18 companies from 2016 to 2024. The largest total came from Abbott Laboratories.
How long has Dr. Gregory Robbert Vorhoff been practicing?
Dr. Vorhoff graduated from medical school in 1979, 47 years ago.
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