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Dr. Colin Thomas Marshall, DO
NPI1164751319PAC ID0345434510
- Medicare services, 2024
- 35
- Medicare patients, 2024
- 30
- Part D claims, 2024
- 6,048
- Publications
- 12
- Hospital affiliations
- 3
- Practice address
- 200 North 400 East, Panguitch, UT 84759
- Practice phone
- Call (435) 676-1262
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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. Colin Thomas Marshall is a family medicine physician in Panguitch, Utah
Dr. Marshall practices at Garfield Memorial Hospital in Panguitch, Utah, part of Intermountain Health.
Dr. Marshall's NPI, 1164751319, was assigned on December 17, 2009. Dr. Marshall graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2009. Dr. Marshall holds Utah license 361780-1204.
NPI and contact details
- NPI
- 1164751319NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345434510
- NPI enumeration date
- December 17, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (435) 676-1262
- 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. Colin Thomas Marshall practices at Garfield Memorial Hospital in Panguitch, Utah
Dr. Marshall's primary practice is Garfield Memorial Hospital, at 200 North 400 East, Panguitch, UT 84759 in Garfield County. The practice phone is (435) 676-1262.
- Garfield Memorial Hospital200 North 400 East, Panguitch, UT 84759 · Garfield CountyPhone(435) 676-1262
Source: Dmand AI Affiliation Data
Dr. Colin Thomas Marshall is affiliated with 7 sites of care and 1 medical group
Dr. Marshall's primary practice is Garfield Memorial Hospital in Panguitch, Utah, part of Intermountain Health. Dr. Marshall is also affiliated with St. George Regional Hospital. The medical group on file is Garfield Memorial Clinic. Dmand AI also links Dr. Marshall to 1 more hospital, 1 clinical lab, 1 home health agency, 1 hospice and 1 rural health clinic, each named with a free account.
St. George Regional HospitalGarfield Memorial Clinic1 hospitalName with a free account1 clinical labName with a free account1 home health agencyName with a free account1 hospiceName with a free account1 rural health clinicName with a free account
See all 8 affiliations for Dr. MarshallSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Colin Thomas Marshall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marshall practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Garfield Memorial Hospital | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Colin Thomas Marshall is one of 1,294 family medicine physicians in Utah
Family medicine is Dr. Marshall's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Marshall is licensed in Utah.
Specialties and state licenses
- Family medicine, UtahPrimary
Family medicine physicians near Dr. Marshall
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
1,294family medicine physicians in Utah
6family medicine physicians in Panguitch
6family medicine physicians at Garfield Memorial HospitalSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Colin Thomas Marshall billed Medicare for 35 services in 2024
CMS data shows 35 Medicare services from Dr. Marshall across 2 procedure codes in 2024, for 30 Medicare patients. Medicare paid $2,035 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202435
Medicare patients30
Paid by Medicare$2,035
Procedure codes2
Dr. Marshall's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 442024: 3520%
Dr. Marshall compared with the Utah median for family medicine physicians, 2024
- Dr. Marshall
- Utah median
- Medicare services
- 35vs 35190% below
- Medicare patients
- 30vs 13377% below
- Part D claims
- 5,429vs 8626.3 times
Medians across 1,260 family medicine physicians 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.
Need commercial claims for Dr. Marshall?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marshall and other family medicine physicians in Utah.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Colin Thomas Marshall treated 30 Medicare patients in 2024, average age 76
CMS counts 30 Medicare patients who saw Dr. Marshall in 2024. The largest group is 75 to 84, with 15 patients. 75% of them have high blood pressure, and 67% have high cholesterol. Their average risk score is 1.52, 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 73, with 53% women.
Medicare patients, 202430
Average age76
Average risk score1.52
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
- Women1757%
- Men1343%
Chronic conditions among Dr. Marshall's Medicare patients, 2024
- High blood pressure75%
- High cholesterol67%
- Arthritis50%
- Chronic kidney disease40%
- Diabetes40%
- Heart failure40%
- COPD37%
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 73
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Colin Thomas Marshall wrote 6,048 Medicare Part D claims in 2024
In 2024, Dr. Marshall wrote 6,048 Medicare Part D claims for 501 patients. 87% of them were for generic drugs. CMS names the drug for 5,429 of them, across 125 drugs with 11 or more claims each, at $386,085 in total drug cost. In 2023, CMS named 4,797 claims across 115 drugs.
Part D claims, 20246,048
Drugs named by CMS125
Total drug cost$386,085
Part D patients501
Dr. Marshall's Part D claims by kind of drug, 2024
- Generic5,235 claims87%
- Brand-name788 claims13%
- Other25 claims0%
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
- Opioids5%300 of 6,048 claims
- Antibiotics5%273 of 6,048 claims
- Antipsychotics, patients 65 and over0%26 of 6,048 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: 4,7972024: 5,42913%
Drugs named by CMS: 125 in 2024, 115 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. Colin Thomas Marshall takes part in Medicare
Dr. Marshall 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. Colin Thomas Marshall has 12 publications on record
Dmand AI links 12 papers to Dr. Marshall, published from 2015 to 2024. 2021 was the busiest year, with 2. Dr. Marshall's most frequent co-authors are Holly Nelson Marshall, MD, Nikhil Ramaiya, MD and Niki Yannaras Constantinou, MD.
Papers12
Years published2015 to 2024
Dr. Marshall's papers by year, 2015 to 2024
Dr. Marshall's most frequent co-authors
- Holly Nelson Marshall, MD3 shared papers
- Nikhil Ramaiya, MD3 shared papers
- Niki Yannaras Constantinou, MD2 shared papers
Recent publications by Dr. Marshall
Cardiovasc Intervent Radiol
Embolization, TherapeuticLiver NeoplasmsLung
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 family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Colin Thomas Marshall received $201 in industry payments from 2016 to 2025
CMS Open Payments shows 13 general payments to Dr. Marshall from 4 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 91% of the total. Novo Nordisk Inc paid the most, $126.
General payments to Dr. Marshall by program year, 2016 to 2025
General payments to Dr. Marshall by kind, 2016 to 2025
$201in total
- Food and beverage$18291%
- Education$199%
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. Colin Thomas Marshall graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville
Dr. Marshall graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Colin Thomas 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 | 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) |
| 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. Colin Thomas 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. Colin Thomas Marshall's NPI number?
Dr. Colin Thomas Marshall's NPI number is 1164751319. It was assigned on December 17, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Colin Thomas Marshall?
Dr. Colin Thomas Marshall is a family medicine physician in Panguitch, Utah. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Colin Thomas Marshall practice?
Dr. Marshall practices at 200 North 400 East, Panguitch, UT 84759. Dr. Marshall's primary practice is Garfield Memorial Hospital in Panguitch, Utah, part of Intermountain Health. Dmand AI also links Dr. Marshall to 1 hospital, 1 clinical lab, 1 home health agency, 1 hospice and 1 rural health clinic.
What is Dr. Colin Thomas Marshall's office phone number?
The practice phone on file for Dr. Marshall is (435) 676-1262.
What is Dr. Colin Thomas Marshall's medical license number?
Dr. Marshall holds Utah license 361780-1204.
Which hospitals is Dr. Colin Thomas Marshall affiliated with?
Dr. Marshall practices at Garfield Memorial Hospital in Panguitch, Utah. Dr. Marshall is also affiliated with St. George Regional Hospital. Dmand AI links Dr. Marshall to 1 more hospital.
What medical group is Dr. Colin Thomas Marshall part of?
Dr. Marshall is linked to Garfield Memorial Clinic.
Does Dr. Colin Thomas Marshall accept Medicare?
Yes. CMS data shows Dr. Marshall billed Medicare for 35 services in 2024, and Dr. Marshall accepts Medicare assignment.
How many Medicare patients does Dr. Colin Thomas Marshall see?
CMS counts 30 Medicare patients who saw Dr. Marshall in 2024, with an average age of 76.
What services does Dr. Colin Thomas Marshall bill to Medicare?
In 2024, Dr. Marshall's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99238).
Show 6 more questionsShow fewer questions
Where did Dr. Colin Thomas Marshall go to medical school?
Dr. Marshall graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2009.
What drugs does Dr. Colin Thomas Marshall prescribe most?
In 2024 Medicare Part D data, Dr. Marshall's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Lisinopril.
Has Dr. Colin Thomas Marshall received payments from drug or device companies?
CMS Open Payments shows $201 in general payments to Dr. Marshall from 4 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Colin Thomas Marshall been practicing?
Dr. Marshall graduated from medical school in 2009, 17 years ago.
Does Dr. Colin Thomas Marshall do research?
Dmand AI links 12 publications to Dr. Marshall, published from 2015 to 2024.
Who does Dr. Colin Thomas Marshall publish with?
Dr. Marshall's most frequent co-authors are Holly Nelson Marshall, MD (3 shared papers), Nikhil Ramaiya, MD (3 shared papers) and Niki Yannaras Constantinou, MD (2 shared papers).
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