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Dr. Gregg Arthur Marshall, MD
NPI1013134550PAC ID3779731443
- Medicare services, 2024
- 150
- Medicare patients, 2024
- 120
- Part D claims, 2024
- 231
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 1425 N 500 W, Logan, UT 84341
- Practice phone
- Call (435) 716-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Logan Regional Hospital
Logan, Utah
Find Dr. Marshall'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. Gregg Arthur Marshall is a general surgeon in Logan, Utah
Dr. Marshall practices at Logan Regional Hospital in Logan, Utah.
Dr. Marshall's NPI, 1013134550, was assigned on April 19, 2007. Dr. Marshall graduated from Oregon Health Sciences University School of Medicine in 2007. Dr. Marshall holds Idaho license M-11722.
NPI and contact details
- NPI
- 1013134550NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779731443
- NPI enumeration date
- April 19, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (435) 716-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregg Arthur Marshall practices at Logan Regional Hospital in Logan, Utah
Dr. Marshall's primary practice is Logan Regional Hospital, at 1425 N 500 W, Logan, UT 84341 in Cache County. The practice phone is (435) 716-1000.
- Logan Regional Hospital1425 N 500 W, Logan, UT 84341 · Cache CountyPhone(435) 716-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gregg Arthur Marshall is affiliated with 3 sites of care and 1 medical group
Dr. Marshall's primary practice is Logan Regional Hospital in Logan, Utah. Dr. Marshall is also affiliated with Logan Regional Hospital. The medical group on file is Intermountain Health. Dmand AI also links Dr. Marshall to 1 more group practice or clinic, named with a free account.
Logan Regional HospitalPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregg Arthur Marshall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marshall practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Logan Regional Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregg Arthur Marshall is one of 229 general surgeons in Utah
Surgery is Dr. Marshall's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Marshall's licenses on file in 2 states: Idaho and Utah.
Specialties and state licenses
- Surgery, IdahoPrimary
- Utah license
General surgeons near Dr. Marshall
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
229general surgeons in Utah
7general surgeons in Logan
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregg Arthur Marshall billed Medicare for 150 services in 2024
CMS data shows 150 Medicare services from Dr. Marshall across 6 procedure codes in 2024, for 120 Medicare patients. Medicare paid $15,462 for them.
Medicare services, 2024150
Medicare patients120
Paid by Medicare$15,462
Procedure codes6
Dr. Marshall's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1162024: 13920%
- Surgery
- 2023: 02024: 11
Where Dr. Marshall's Medicare services took place, 2024
- In an office6946%
- In a facility8154%
Dr. Marshall compared with the Utah median for general surgeons, 2024
- Dr. Marshall
- Utah median
- Medicare services
- 150vs 9755% above
- Medicare patients
- 120vs 9033% above
- Part D claims
- 149vs 324.7 times
Medians across 231 general surgeons in Utah with Dmand AI profiles that report each measure.
Dr. Marshall'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. Marshall and other general surgeons in Utah.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregg Arthur Marshall treated 120 Medicare patients in 2024, average age 76
CMS counts 120 Medicare patients who saw Dr. Marshall in 2024. The largest group is 65 to 74, with 54 patients. 75% of them have high blood pressure, and 61% have arthritis. Their average risk score is 2.12, 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. Marshall's median patient age at 59, with 57% women.
Medicare patients, 2024120
Average age76
Average risk score2.12
Dr. Marshall's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Marshall's Medicare patients by sex, 2024
- Women6857%
- Men5243%
Chronic conditions among Dr. Marshall's Medicare patients, 2024
- High blood pressure75%
- Arthritis61%
- High cholesterol59%
- Diabetes43%
- Chronic kidney disease34%
- Atrial fibrillation33%
- Depression33%
- Mood disorders33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marshall's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregg Arthur Marshall wrote 231 Medicare Part D claims in 2024
In 2024, Dr. Marshall wrote 231 Medicare Part D claims for 100 patients. 97% of them were for generic drugs. CMS names the drug for 149 of them, across 6 drugs with 11 or more claims each, at $569 in total drug cost. In 2023, CMS named 93 claims across 3 drugs.
Part D claims, 2024231
Drugs named by CMS6
Total drug cost$569
Part D patients100
Dr. Marshall's Part D claims by kind of drug, 2024
- Generic225 claims97%
- Brand-name and other6 claims3%
Dr. Marshall'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. Marshall's Part D claims, 2024
- Opioids33%77 of 231 claims
- Antibiotics22%51 of 231 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: 932024: 14960%
Drugs named by CMS: 6 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
Dr. Gregg Arthur Marshall ranks in the 85th percentile for hernia repair (minimally invasive) in Medicare
Dr. Marshall accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 17 procedures of hernia repair (minimally invasive) by Dr. Marshall, more than 85% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Marshall ranks in Medicare procedure volume
- Hernia repair (minimally invasive)
- 85th percentile17 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 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. Gregg Arthur Marshall has 1 publication on record
Dmand AI links 1 paper to Dr. Marshall. Dr. Marshall's most frequent co-authors are Anthony Wayne Bacon, MD and Max V. Wohlauer, MD.
Papers1
Dr. Marshall's most frequent co-authors
Recent publications by Dr. Marshall
See who Dr. Marshall researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Marshall works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gregg Arthur Marshall received $65,218 in industry payments from 2016 to 2025
CMS Open Payments shows 105 general payments to Dr. Marshall from 6 drug and device companies from 2016 to 2025. Education make up the largest share, 71% of the total. Intuitive Surgical, Inc. paid the most, $65,123.
General payments to Dr. Marshall by program year, 2016 to 2025
General payments to Dr. Marshall by kind, 2016 to 2025
$65.2Kin total
- Education$46,08071%
- Travel and lodging$9,00714%
- Speaker and faculty fees$7,00011%
- Food and beverage$3,1325%
Companies that paid Dr. Marshall 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. Gregg Arthur Marshall graduated from Oregon Health Sciences University School of Medicine
Dr. Marshall graduated from Oregon Health Sciences University School of Medicine in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregg Arthur Marshall'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 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. Gregg Arthur Marshall
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. Gregg Arthur Marshall's NPI number?
Dr. Gregg Arthur Marshall's NPI number is 1013134550. It was assigned on April 19, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregg Arthur Marshall?
Dr. Gregg Arthur Marshall is a general surgeon in Logan, Utah. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Gregg Arthur Marshall practice?
Dr. Marshall practices at 1425 N 500 W, Logan, UT 84341. Dr. Marshall's primary practice is Logan Regional Hospital in Logan, Utah. Dmand AI also links Dr. Marshall to 1 group practice or clinic.
What is Dr. Gregg Arthur Marshall's office phone number?
The practice phone on file for Dr. Marshall is (435) 716-1000.
What is Dr. Gregg Arthur Marshall's medical license number?
Dr. Marshall holds Idaho license M-11722, one of the licenses on file in 2 states.
Which states has Dr. Gregg Arthur Marshall been licensed in?
Dmand AI has state licenses on file for Dr. Marshall in Idaho and Utah.
Which hospitals is Dr. Gregg Arthur Marshall affiliated with?
Dr. Marshall is affiliated with Logan Regional Hospital.
What medical group is Dr. Gregg Arthur Marshall part of?
Dr. Marshall is linked to Intermountain Health.
Does Dr. Gregg Arthur Marshall accept Medicare?
Yes. CMS data shows Dr. Marshall billed Medicare for 150 services in 2024, and Dr. Marshall accepts Medicare assignment.
How many Medicare patients does Dr. Gregg Arthur Marshall see?
CMS counts 120 Medicare patients who saw Dr. Marshall in 2024, with an average age of 76.
Show 7 more questionsShow fewer questions
What services does Dr. Gregg Arthur Marshall bill to Medicare?
In 2024, Dr. Marshall's most billed Medicare services were office visit, new patient (99204), office visit, established patient (99214) and emergency department visit (99284).
Where did Dr. Gregg Arthur Marshall go to medical school?
Dr. Marshall graduated from Oregon Health Sciences University School of Medicine in 2007.
What drugs does Dr. Gregg Arthur Marshall prescribe most?
In 2024 Medicare Part D data, Dr. Marshall's most prescribed drugs by claims were Oxycodone HCl, Ibuprofen and Tramadol HCl.
Has Dr. Gregg Arthur Marshall received payments from drug or device companies?
CMS Open Payments shows $65,218 in general payments to Dr. Marshall from 6 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Gregg Arthur Marshall been practicing?
Dr. Marshall graduated from medical school in 2007, 19 years ago.
Does Dr. Gregg Arthur Marshall do research?
Dmand AI links 1 publication to Dr. Marshall.
Who does Dr. Gregg Arthur Marshall publish with?
Dr. Marshall's most frequent co-authors are Anthony Wayne Bacon, MD (1 shared paper) and Max V. Wohlauer, MD (1 shared paper).
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