Benjamin Owen Marshall, FNP-BC, MSN
- Medicare patients, 2024
- 83
- Part D claims, 2024
- 614
- Hospital affiliations
- 2
- Industry payments
- $387
- Medical groups
- 2
- Practice address
- 605 W Chicago St, Coldwater, MI 49036
- Practice phone
- Call (517) 437-3879
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hillsdale Pulmonary Critical Care and Sleep Medicine
Coldwater, Michigan
Find Benjamin 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.
Benjamin Owen Marshall is a family nurse practitioner in Coldwater, Michigan
Benjamin Marshall practices at Hillsdale Pulmonary Critical Care and Sleep Medicine in Coldwater, Michigan.
Benjamin Marshall's NPI, 1003512856, was assigned on February 3, 2023. Benjamin Marshall holds Michigan license 4704371368.
- NPI
- 1003512856NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214463025
- NPI enumeration date
- February 3, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (517) 437-3879
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 28
- Medical school graduation
- 2024
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Benjamin Owen Marshall practices at Hillsdale Pulmonary Critical Care and Sleep Medicine in Coldwater, Michigan
Benjamin Marshall's primary practice is Hillsdale Pulmonary Critical Care and Sleep Medicine, at 605 W Chicago St, Coldwater, MI 49036 in Branch County. The practice phone is (517) 437-3879.
- Hillsdale Pulmonary Critical Care and Sleep Medicine605 W Chicago St, Coldwater, MI 49036 · Branch CountyPhone(517) 437-3879
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Benjamin Owen Marshall is affiliated with 5 sites of care and 2 medical groups
Benjamin Marshall's primary practice is Hillsdale Pulmonary Critical Care and Sleep Medicine in Coldwater, Michigan. Benjamin Marshall is also affiliated with Insight Hospital & Medical Center Coldwater. The medical group on file is Theoria Medical. Dmand AI also links Benjamin Marshall to 1 more hospital, 1 group practice or clinic, 1 skilled nursing facility and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Benjamin Owen Marshall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Benjamin Marshall practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hillsdale Pulmonary Critical Care and Sleep Medicine | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Benjamin Owen Marshall is one of 4,420 family nurse practitioners in Michigan
Family is Benjamin Marshall's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Benjamin Marshall is licensed in Michigan.
Specialties and state licenses
- Family nurse practitioner, MichiganPrimary
Family nurse practitioners near Benjamin Marshall
Counts of family nurse practitioners 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
Benjamin Owen Marshall treated 83 Medicare patients in 2024, average age 75
CMS counts 83 Medicare patients who saw Benjamin Marshall in 2024. The largest group is 65 to 74, with 30 patients. 75% of them have high blood pressure, and 75% have mood disorders. 81% are also on Medicaid. Their average risk score is 2.14, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Benjamin Marshall's median patient age at 44, with 48% women.
Benjamin Marshall's Medicare patients by age, 2024
Benjamin Marshall's Medicare patients by sex, 2024
- Women4959%
- Men3441%
Chronic conditions among Benjamin Marshall's Medicare patients, 2024
- High blood pressure75%
- Mood disorders75%
- Depression73%
- High cholesterol65%
- Alzheimer's and dementia63%
- Anxiety59%
- Diabetes58%
- Arthritis51%
Share of Medicare patients with each condition. A patient can have several.
Benjamin 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 44
Patient panel by sex, all payers
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Benjamin Owen Marshall wrote 614 Medicare Part D claims in 2024
In 2024, Benjamin Marshall wrote 614 Medicare Part D claims for 114 patients. 79% of them were for generic drugs.
Benjamin Marshall's Part D claims by kind of drug, 2024
- Generic484 claims79%
- Brand-name and other130 claims21%
Drug classes CMS tracks in Benjamin Marshall's Part D claims, 2024
- Opioids11%67 of 614 claims
- Antibiotics4%22 of 614 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Benjamin Owen Marshall takes part in Medicare
Benjamin 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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Benjamin Owen Marshall received $387 in industry payments in 2025
CMS Open Payments shows 19 general payments to Benjamin Marshall from 11 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $99.
Companies that paid Benjamin Marshall the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Benjamin Owen 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 Data |
| 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 (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) |
| 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 Benjamin Owen 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 Benjamin Owen Marshall's NPI number?
Benjamin Owen Marshall's NPI number is 1003512856. It was assigned on February 3, 2023, and it is active in the NPI Registry.
What does Benjamin Owen Marshall specialize in?
Benjamin Owen Marshall is a family nurse practitioner in Coldwater, Michigan. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Benjamin Owen Marshall practice?
Benjamin Marshall practices at 605 W Chicago St, Coldwater, MI 49036. Benjamin Marshall's primary practice is Hillsdale Pulmonary Critical Care and Sleep Medicine in Coldwater, Michigan. Dmand AI also links Benjamin Marshall to 1 hospital, 1 group practice or clinic, 1 skilled nursing facility and 1 medical group.
What is Benjamin Owen Marshall's office phone number?
The practice phone on file for Benjamin Marshall is (517) 437-3879.
What is Benjamin Owen Marshall's medical license number?
Benjamin Marshall holds Michigan license 4704371368.
Which hospitals is Benjamin Owen Marshall affiliated with?
Benjamin Marshall is affiliated with Insight Hospital & Medical Center Coldwater. Dmand AI links Benjamin Marshall to 1 more hospital.
What medical group is Benjamin Owen Marshall part of?
Benjamin Marshall is linked to Theoria Medical. Dmand AI links Benjamin Marshall to 1 more medical group.
Does Benjamin Owen Marshall accept Medicare?
Yes. CMS lists Benjamin Marshall as accepting Medicare assignment.
How many Medicare patients does Benjamin Owen Marshall see?
CMS counts 83 Medicare patients who saw Benjamin Marshall in 2024, with an average age of 75.
Has Benjamin Owen Marshall received payments from drug or device companies?
CMS Open Payments shows $387 in general payments to Benjamin Marshall from 11 companies from 2025 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Benjamin Owen Marshall been practicing?
Benjamin Marshall graduated from medical school in 2024, 2 years ago.
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