Dr. James D. Greig, FACS, MD
- Medicare services, 2024
- 61
- Medicare patients, 2024
- 50
- Part D claims, 2024
- 21
- Hospital affiliations
- 2
- Industry payments
- $983
- Practice address
- 347 North Kuakini Street, Honolulu, HI 96817
- Practice phone
- Call (808) 536-2236
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Greig's professional email, personal email and mobile number
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Dr. James D. Greig is a vascular surgeon in Honolulu, Hawaii
Dr. Greig practices at Kuakini Medical Center in Honolulu, Hawaii, part of Kuakini Health System.
Dr. Greig's NPI, 1720043706, was assigned on April 20, 2006. Dr. Greig holds Hawaii license MD5036.
- NPI
- 1720043706NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496870917
- NPI enumeration date
- April 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (808) 536-2236
- 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; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James D. Greig practices at Kuakini Medical Center in Honolulu, Hawaii
Dr. Greig's primary practice is Kuakini Medical Center, at 347 North Kuakini Street, Honolulu, HI 96817 in Honolulu County. The practice phone is (808) 536-2236.
- Kuakini Medical Center347 North Kuakini Street, Honolulu, HI 96817 · Honolulu CountyPhone(808) 536-2236
Source: Dmand AI Affiliation Data
Dr. James D. Greig is affiliated with 4 sites of care
Dr. Greig's primary practice is Kuakini Medical Center in Honolulu, Hawaii, part of Kuakini Health System. Dr. Greig is also affiliated with The Queen's Medical Center. Dmand AI also links Dr. Greig to 1 more physician office and 1 skilled nursing facility, 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. James D. Greig's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Greig practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kuakini Medical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Kuakini Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. James D. Greig is one of 25 vascular surgeons in Hawaii
Vascular surgery is Dr. Greig's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Greig is licensed in Hawaii.
Specialties and state licenses
- Vascular surgery, HawaiiPrimary
Vascular surgeons near Dr. Greig
Counts of vascular surgeons 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. James D. Greig billed Medicare for 61 services in 2024
CMS data shows 61 Medicare services from Dr. Greig across 2 procedure codes in 2024, for 50 Medicare patients. Medicare paid $4,624 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Greig's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1322024: 6154%
Dr. Greig compared with the Hawaii median for vascular surgeons, 2024
- Dr. Greig
- Hawaii median
- Medicare services
- 61vs 25776% below
- Medicare patients
- 50vs 18873% below
- Part D claims
- 11vs 4173% below
Medians across 23 vascular surgeons in Hawaii with Dmand AI profiles that report each measure.
Dr. Greig'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Greig and other vascular surgeons in Hawaii.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James D. Greig treated 50 Medicare patients in 2024, average age 76
CMS counts 50 Medicare patients who saw Dr. Greig in 2024. The largest group is 75 to 84, with 19 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 22% are also on Medicaid. Their average risk score is 5.41, 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. Greig's median patient age at 70, with 40% women.
Dr. Greig's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Greig's Medicare patients by sex, 2024
- Women1734%
- Men3366%
Chronic conditions among Dr. Greig's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes72%
- Ischemic heart disease56%
- Heart failure48%
- Atrial fibrillation44%
- Arthritis30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Greig's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women40%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James D. Greig wrote 21 Medicare Part D claims in 2024
In 2024, Dr. Greig wrote 21 Medicare Part D claims for 13 patients. 81% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $28 in total drug cost. In 2023, CMS named 16 claims across 1 drug.
Dr. Greig's Part D claims by kind of drug, 2024
- Generic17 claims81%
- Brand-name and other4 claims19%
Dr. Greig'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. Greig's Part D claims, 2024
- Opioids62%13 of 21 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: 162024: 1131%
Drugs named by CMS: 1 in 2024, 1 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
How Dr. James D. Greig takes part in Medicare
Dr. Greig accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. James D. Greig received $983 in industry payments from 2018 to 2024
CMS Open Payments shows 5 general payments to Dr. Greig from 4 drug and device companies from 2018 to 2024. Travel and lodging make up the largest share, 75% of the total. Abiomed paid the most, $851.
General payments to Dr. Greig by program year, 2018 to 2024
General payments to Dr. Greig by kind, 2018 to 2024
- Travel and lodging$74175%
- Food and beverage$24125%
Companies that paid Dr. Greig the most, 2018 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. James D. Greig'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. James D. Greig
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. James D. Greig's NPI number?
Dr. James D. Greig's NPI number is 1720043706. It was assigned on April 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James D. Greig?
Dr. James D. Greig is a vascular surgeon in Honolulu, Hawaii. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Dr. James D. Greig practice?
Dr. Greig practices at 347 North Kuakini Street, Honolulu, HI 96817. Dr. Greig's primary practice is Kuakini Medical Center in Honolulu, Hawaii, part of Kuakini Health System. Dmand AI also links Dr. Greig to 1 physician office and 1 skilled nursing facility.
What is Dr. James D. Greig's office phone number?
The practice phone on file for Dr. Greig is (808) 536-2236.
What is Dr. James D. Greig's medical license number?
Dr. Greig holds Hawaii license MD5036.
Which hospitals is Dr. James D. Greig affiliated with?
Dr. Greig practices at Kuakini Medical Center in Honolulu, Hawaii. Dr. Greig is also affiliated with The Queen's Medical Center.
Does Dr. James D. Greig accept Medicare?
Yes. CMS data shows Dr. Greig billed Medicare for 61 services in 2024, and Dr. Greig accepts Medicare assignment.
How many Medicare patients does Dr. James D. Greig see?
CMS counts 50 Medicare patients who saw Dr. Greig in 2024, with an average age of 76.
What services does Dr. James D. Greig bill to Medicare?
In 2024, Dr. Greig's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99222).
What drugs does Dr. James D. Greig prescribe most?
In 2024 Medicare Part D data, Dr. Greig's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. James D. Greig received payments from drug or device companies?
CMS Open Payments shows $983 in general payments to Dr. Greig from 4 companies from 2018 to 2024. The largest total came from Abiomed.
How long has Dr. James D. Greig been practicing?
Dr. Greig graduated from medical school in 1979, 47 years ago.
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