Dr. Gregory D. Casey, MD
- Medicare services, 2020
- 13
- Part D claims, 2021
- 16
- Publications
- 1
- Hospital affiliations
- 1
- Industry payments
- $2,194
- Practice address
- 4007 Estate Diamond Ruby, Saint Croix, VI 00820
- Practice phone
- Call (340) 778-6311
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Robert R. Bumann
Multi-specialty group site · Saint Croix, U.S. Virgin Islands
Find Dr. Casey'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. Gregory D. Casey is a vascular surgeon in U.S. Virgin Islands
Dr. Casey practices at Robert R. Bumann in Saint Croix, U.S. Virgin Islands.
Dr. Casey's NPI, 1487604260, was assigned on May 11, 2006. Dr. Casey graduated from Johns Hopkins University School of Medicine in 1984. Dr. Casey holds U.S. Virgin Islands license 3035.
- NPI
- 1487604260NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375645328
- NPI enumeration date
- May 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (340) 778-6311
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory D. Casey practices at Robert R. Bumann in Saint Croix, U.S. Virgin Islands
Dr. Casey's primary practice is Robert R. Bumann, at 4007 Estate Diamond Ruby, Saint Croix, VI 00820. The practice phone is (340) 778-6311.
- Robert R. Bumann4007 Estate Diamond Ruby, Saint Croix, VI 00820Phone(340) 778-6311
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory D. Casey is affiliated with 3 sites of care and 2 medical groups
Dr. Casey's primary practice is Robert R. Bumann in Saint Croix, U.S. Virgin Islands. Dr. Casey is also affiliated with Governor Juan F. Luis Hospital and Medical Center. The medical group on file is Gov. Juan F. Luis Hospital and Medical Center. Dmand AI also links Dr. Casey to 1 more physician office and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Gregory D. Casey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Casey practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Robert R. Bumann | 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 D. Casey's specialty is vascular surgery
Vascular surgery is Dr. Casey's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dmand AI has Dr. Casey's licenses on file in 2 states: U.S. Virgin Islands and Michigan.
Specialties and state licenses
- Vascular surgery, U.S. Virgin IslandsPrimary
- Surgical critical care, Michigan
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory D. Casey billed Medicare for 13 services in 2020
CMS data shows 13 Medicare services from Dr. Casey across 1 procedure code in 2020. Medicare paid $1,059 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Casey's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 1472020: 1391%
Dr. Casey's most billed Medicare procedure codes, 2020
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. Casey and other vascular surgeons in U.S. Virgin Islands.
Source: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data
Dr. Gregory D. Casey's patients have a median age of 83
Across all payers, Dmand AI patient panel data puts Dr. Casey's median patient age at 83, with 60% women.
Dr. Casey's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 83
Patient panel by sex, all payers
- Women60%
- Men40%
Source: Dmand AI Patient Panel Data
Dr. Gregory D. Casey wrote 16 Medicare Part D claims in 2021
In 2021, Dr. Casey wrote 16 Medicare Part D claims. They cover 1 drug, with $236 in total drug cost. In 2020, CMS named 40 claims across 3 drugs.
Dr. Casey's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 402021: 1660%
Drugs named by CMS: 1 in 2021, 3 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Gregory D. Casey takes part in Medicare
Dr. Casey accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gregory D. Casey has 1 publication on record
Dmand AI links 1 paper to Dr. Casey in 2017.
Recent publications by Dr. Casey
See who Dr. Casey researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Casey works with, so you can find a warm path to the right vascular surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gregory D. Casey received $2,194 in industry payments from 2016 to 2023
CMS Open Payments shows 31 general payments to Dr. Casey from 13 drug and device companies from 2016 to 2023. Travel and lodging make up the largest share, 58% of the total. LeMaitre Vascular, Inc. paid the most, $1,810.
General payments to Dr. Casey by program year, 2016 to 2023
General payments to Dr. Casey by kind, 2016 to 2023
- Travel and lodging$1,26358%
- Food and beverage$93142%
Companies that paid Dr. Casey the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory D. Casey graduated from Johns Hopkins University School of Medicine
Dr. Casey graduated from Johns Hopkins University School of Medicine in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory D. Casey'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gregory D. Casey
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 D. Casey's NPI number?
Dr. Gregory D. Casey's NPI number is 1487604260. It was assigned on May 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory D. Casey?
Dr. Gregory D. Casey is a vascular surgeon in U.S. Virgin Islands. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Dr. Gregory D. Casey practice?
Dr. Casey practices at 4007 Estate Diamond Ruby, Saint Croix, VI 00820. Dr. Casey's primary practice is Robert R. Bumann in Saint Croix, U.S. Virgin Islands. Dmand AI also links Dr. Casey to 1 physician office and 1 medical group.
What is Dr. Gregory D. Casey's office phone number?
The practice phone on file for Dr. Casey is (340) 778-6311.
What is Dr. Gregory D. Casey's medical license number?
Dr. Casey holds U.S. Virgin Islands license 3035, one of the licenses on file in 2 states.
Which states has Dr. Gregory D. Casey been licensed in?
Dmand AI has state licenses on file for Dr. Casey in U.S. Virgin Islands and Michigan.
Which hospitals is Dr. Gregory D. Casey affiliated with?
Dr. Casey is affiliated with Governor Juan F. Luis Hospital and Medical Center.
What medical group is Dr. Gregory D. Casey part of?
Dr. Casey is linked to Gov. Juan F. Luis Hospital and Medical Center. Dmand AI links Dr. Casey to 1 more medical group.
Does Dr. Gregory D. Casey accept Medicare?
Yes. CMS data shows Dr. Casey billed Medicare for 13 services in 2020, and Dr. Casey accepts Medicare assignment.
What services does Dr. Gregory D. Casey bill to Medicare?
In 2020, Dr. Casey's most billed Medicare services were hospital inpatient care (99221).
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Where did Dr. Gregory D. Casey go to medical school?
Dr. Casey graduated from Johns Hopkins University School of Medicine in 1984.
What drugs does Dr. Gregory D. Casey prescribe most?
In 2021 Medicare Part D data, Dr. Casey's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Gregory D. Casey received payments from drug or device companies?
CMS Open Payments shows $2,194 in general payments to Dr. Casey from 13 companies from 2016 to 2023. The largest total came from LeMaitre Vascular, Inc.
How long has Dr. Gregory D. Casey been practicing?
Dr. Casey graduated from medical school in 1984, 42 years ago.
Does Dr. Gregory D. Casey do research?
Dmand AI links 1 publication to Dr. Casey.
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