Biological EvolutionBirdsBrazil
Dr. Gregory Corbett Thom, MD
NPI1689802977PAC ID1052608106
- Medicare services, 2024
- 290
- Medicare patients, 2024
- 188
- Part D claims, 2024
- 141
- Publications
- 15
- Hospital affiliations
- 3
- Practice address
- 2845 Greenbrier Road, Green Bay, WI 54311
- Practice phone
- Call (920) 288-3300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Aurora BayCare Medical Center - Mammography
Mammography / Breast Imaging Center · Green Bay, Wisconsin
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Dr. Gregory Corbett Thom is a vascular surgeon in Green Bay, Wisconsin
Dr. Thom practices at Aurora BayCare Medical Center - Mammography in Green Bay, Wisconsin.
Dr. Thom's NPI, 1689802977, was assigned on June 25, 2009. Dr. Thom graduated from Medical College of Wisconsin in 2009. Dr. Thom holds Wisconsin license 65518-20.
NPI and contact details
- NPI
- 1689802977NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052608106
- NPI enumeration date
- June 25, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (920) 288-3300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Corbett Thom practices at Aurora BayCare Medical Center - Mammography in Green Bay, Wisconsin
Dr. Thom's primary practice is Aurora BayCare Medical Center - Mammography, at 2845 Greenbrier Road, Green Bay, WI 54311. The practice phone is (920) 288-3300.
- Aurora BayCare Medical Center - Mammography2845 Greenbrier Road, Green Bay, WI 54311Phone(920) 288-3300
Source: Dmand AI Affiliation Data
Dr. Gregory Corbett Thom is affiliated with 4 sites of care and 1 medical group
Dr. Thom's primary practice is Aurora BayCare Medical Center - Mammography in Green Bay, Wisconsin. Dr. Thom is also affiliated with Aurora BayCare Medical Center. The medical group on file is Aurora BayCare Medical Center. Dmand AI also links Dr. Thom to 2 more hospitals, each named with a free account.
Aurora BayCare Medical Center - MammographyPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory Corbett Thom's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thom practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Aurora BayCare Medical Center - Mammography | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Corbett Thom is one of 74 vascular surgeons in Wisconsin
Vascular surgery is Dr. Thom's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Thom is licensed in Wisconsin.
Specialties and state licenses
- Vascular surgery, WisconsinPrimary
Vascular surgeons near Dr. Thom
Counts of vascular surgeons with a Dmand AI profile, by place and practice. Each opens the list.
74vascular surgeons in Wisconsin
7vascular surgeons in Green Bay
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory Corbett Thom billed Medicare for 290 services in 2024
CMS data shows 290 Medicare services from Dr. Thom across 11 procedure codes in 2024, for 188 Medicare patients. Medicare paid $30,477 for them.
Medicare services, 2024290
Medicare patients188
Paid by Medicare$30,477
Procedure codes11
Dr. Thom's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2192024: 2161%
- Imaging
- 2023: 292024: 29No change
- Surgery
- 2023: 112024: 23109%
- Tests and treatments
- 2023: 132024: 2269%
Where Dr. Thom's Medicare services took place, 2024
- In an office19266%
- In a facility9834%
Dr. Thom compared with the Wisconsin median for vascular surgeons, 2024
- Dr. Thom
- Wisconsin median
- Medicare services
- 290vs 25812% above
- Medicare patients
- 188vs 21211% below
- Part D claims
- 119vs 6098% above
Medians across 71 vascular surgeons in Wisconsin with Dmand AI profiles that report each measure.
Dr. Thom'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.
Need commercial claims for Dr. Thom?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Thom and other vascular surgeons in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Corbett Thom treated 188 Medicare patients in 2024, average age 73
CMS counts 188 Medicare patients who saw Dr. Thom in 2024. The largest group is 65 to 74, with 82 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 2.96, 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. Thom's median patient age at 73, with 44% women.
Medicare patients, 2024188
Average age73
Average risk score2.96
Also on Medicaid14%
Dr. Thom's Medicare patients by age, 2024
Dr. Thom's Medicare patients by sex, 2024
- Women6635%
- Men12265%
Chronic conditions among Dr. Thom's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease56%
- Chronic kidney disease55%
- Arthritis53%
- Diabetes43%
- Heart failure40%
- Mood disorders33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Thom's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women44%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory Corbett Thom wrote 141 Medicare Part D claims in 2024
In 2024, Dr. Thom wrote 141 Medicare Part D claims for 43 patients. 89% of them were for generic drugs. CMS names the drug for 119 of them, across 4 drugs with 11 or more claims each, at $10,804 in total drug cost. In 2023, CMS named 73 claims across 3 drugs.
Part D claims, 2024141
Drugs named by CMS4
Total drug cost$10,804
Part D patients43
Dr. Thom's Part D claims by kind of drug, 2024
- Generic125 claims89%
- Brand-name16 claims11%
Dr. Thom'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 732024: 11963%
Drugs named by CMS: 4 in 2024, 3 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. Gregory Corbett Thom takes part in Medicare
Dr. Thom 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)
Varicose vein removal: 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. Gregory Corbett Thom has 15 publications on record
Dmand AI links 15 papers to Dr. Thom, published from 2014 to 2023. 2020 was the busiest year, with 2. The most frequent topics are Phylogeny, Birds and Gene Flow. Dr. Thom has published most often in Mol Ecol. Dr. Thom's most frequent co-authors are Leo Morris Joseph, MD and Timothy F. Wright, MD.
Papers15
Years published2014 to 2023
Dr. Thom's papers by year, 2014 to 2023
Topics Dr. Thom writes about most
- Phylogeny
- Birds
- Gene Flow
- Phylogeography
- Forests
- Genetic Variation
- Passeriformes
- Brazil
Dr. Thom's most frequent co-authors
Recent publications by Dr. Thom
BirdsDNA, MitochondrialEcosystem
BiodiversityBiological EvolutionBirds
ClimateGene FlowGenetic Variation
See who Dr. Thom researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Thom 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 Corbett Thom received $5,496 in industry payments from 2016 to 2025
CMS Open Payments shows 56 general payments to Dr. Thom from 14 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 62% of the total. Medical Device Business Services, Inc. paid the most, $2,074.
General payments to Dr. Thom by program year, 2016 to 2025
General payments to Dr. Thom by kind, 2016 to 2025
$5.5Kin total
- Food and beverage$3,42162%
- Travel and lodging$2,07438%
Companies that paid Dr. Thom the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory Corbett Thom graduated from Medical College of Wisconsin
Dr. Thom graduated from Medical College of Wisconsin in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory Corbett Thom'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) |
| 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 |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gregory Corbett Thom
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 Corbett Thom's NPI number?
Dr. Gregory Corbett Thom's NPI number is 1689802977. It was assigned on June 25, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Corbett Thom?
Dr. Gregory Corbett Thom is a vascular surgeon in Green Bay, Wisconsin. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Dr. Gregory Corbett Thom practice?
Dr. Thom practices at 2845 Greenbrier Road, Green Bay, WI 54311. Dr. Thom's primary practice is Aurora BayCare Medical Center - Mammography in Green Bay, Wisconsin. Dmand AI also links Dr. Thom to 2 hospitals.
What is Dr. Gregory Corbett Thom's office phone number?
The practice phone on file for Dr. Thom is (920) 288-3300.
What is Dr. Gregory Corbett Thom's medical license number?
Dr. Thom holds Wisconsin license 65518-20.
Which hospitals is Dr. Gregory Corbett Thom affiliated with?
Dr. Thom is affiliated with Aurora BayCare Medical Center. Dmand AI links Dr. Thom to 2 more hospitals.
What medical group is Dr. Gregory Corbett Thom part of?
Dr. Thom is linked to Aurora BayCare Medical Center.
Does Dr. Gregory Corbett Thom accept Medicare?
Yes. CMS data shows Dr. Thom billed Medicare for 290 services in 2024, and Dr. Thom accepts Medicare assignment.
How many Medicare patients does Dr. Gregory Corbett Thom see?
CMS counts 188 Medicare patients who saw Dr. Thom in 2024, with an average age of 73.
What services does Dr. Gregory Corbett Thom bill to Medicare?
In 2024, Dr. Thom's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and office visit, new patient (99204).
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Where did Dr. Gregory Corbett Thom go to medical school?
Dr. Thom graduated from Medical College of Wisconsin in 2009.
What drugs does Dr. Gregory Corbett Thom prescribe most?
In 2024 Medicare Part D data, Dr. Thom's most prescribed drugs by claims were Cilostazol, Atorvastatin Calcium and Clopidogrel.
Has Dr. Gregory Corbett Thom received payments from drug or device companies?
CMS Open Payments shows $5,496 in general payments to Dr. Thom from 14 companies from 2016 to 2025. The largest total came from Medical Device Business Services, Inc.
How long has Dr. Gregory Corbett Thom been practicing?
Dr. Thom graduated from medical school in 2009, 17 years ago.
Does Dr. Gregory Corbett Thom do research?
Dmand AI links 15 publications to Dr. Thom, published from 2014 to 2023.
Who does Dr. Gregory Corbett Thom publish with?
Dr. Thom's most frequent co-authors are Leo Morris Joseph, MD (1 shared paper) and Timothy F. Wright, MD (1 shared paper).
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