Michael Damian Marshall
- Medicare patients, 2024
- 86
- Part D claims, 2024
- 461
- MIPS score, 2024
- 84
- Hospital affiliations
- 2
- Industry payments
- $375
- Practice address
- 110 North Main Street, Greenville, PA 16125
- Practice phone
- Call (724) 588-2100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Michael 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.
Michael Damian Marshall is a physician assistant in Greenville, Pennsylvania
Michael Marshall practices at UPMC Horizon - Greenville in Greenville, Pennsylvania, part of University of Pittsburgh Medical Center.
Michael Marshall's NPI, 1003810961, was assigned on June 9, 2005. Michael Marshall holds Pennsylvania license MA001071L.
- NPI
- 1003810961NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456311034
- NPI enumeration date
- June 9, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (724) 588-2100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Michael Damian Marshall practices at UPMC Horizon - Greenville in Greenville, Pennsylvania
Michael Marshall's primary practice is UPMC Horizon - Greenville, at 110 North Main Street, Greenville, PA 16125 in Mercer County. The practice phone is (724) 588-2100.
- UPMC Horizon - Greenville110 North Main Street, Greenville, PA 16125 · Mercer CountyPhone(724) 588-2100
Source: Dmand AI Affiliation Data
Michael Damian Marshall is affiliated with 4 sites of care and 2 medical groups
Michael Marshall's primary practice is UPMC Horizon - Greenville in Greenville, Pennsylvania, part of University of Pittsburgh Medical Center. Michael Marshall is also affiliated with UPMC Jameson. The medical group on file is Stull, Jarvis, and Spinola Internal Medicine Associates-UPMC. Dmand AI also links Michael Marshall to 1 more breast imaging center, 1 therapy and rehab clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Michael Damian Marshall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Michael Marshall practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UPMC Horizon - Greenville | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Michael Damian Marshall is one of 6,491 physician assistants in Pennsylvania
Physician assistant is Michael Marshall's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Michael Marshall is licensed in Pennsylvania.
Specialties and state licenses
- Physician assistant, PennsylvaniaPrimary
Physician assistants near Michael Marshall
Counts of physician assistants 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
Michael Damian Marshall treated 86 Medicare patients in 2024, average age 75
CMS counts 86 Medicare patients who saw Michael Marshall in 2024. The largest group is 75 to 84, with 39 patients. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 0.86, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Michael Marshall's median patient age at 71, with 58% women.
Michael Marshall's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Michael Marshall's Medicare patients by sex, 2024
- Women5969%
- Men2731%
Chronic conditions among Michael Marshall's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure73%
- Anxiety35%
- Mood disorders34%
- Depression28%
- Diabetes28%
- Chronic kidney disease23%
Share of Medicare patients with each condition. A patient can have several.
Michael 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 71
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Michael Damian Marshall wrote 461 Medicare Part D claims in 2024
In 2024, Michael Marshall wrote 461 Medicare Part D claims for 274 patients. 99% of them were for generic drugs.
Michael Marshall's Part D claims by kind of drug, 2024
- Generic457 claims99%
- Brand-name and other4 claims1%
Drug classes CMS tracks in Michael Marshall's Part D claims, 2024
- Opioids38%176 of 461 claims
- Antibiotics12%57 of 461 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
Michael Damian Marshall scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Michael Marshall for performance year 2024, reported as part of a group. Michael Marshall accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Michael Marshall's MIPS scores, performance year 2024
- 84of 100Final score
- 70.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Michael Damian Marshall received $375 in industry payments in 2025
CMS Open Payments shows 5 general payments to Michael Marshall from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $266.
Companies that paid Michael 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 Michael Damian 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 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)Clinician Public Reporting: Overall MIPS Performance (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 Michael Damian 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 Michael Damian Marshall's NPI number?
Michael Damian Marshall's NPI number is 1003810961. It was assigned on June 9, 2005, and it is active in the NPI Registry.
What does Michael Damian Marshall specialize in?
Michael Damian Marshall is a physician assistant in Greenville, Pennsylvania. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Michael Damian Marshall practice?
Michael Marshall practices at 110 North Main Street, Greenville, PA 16125. Michael Marshall's primary practice is UPMC Horizon - Greenville in Greenville, Pennsylvania, part of University of Pittsburgh Medical Center. Dmand AI also links Michael Marshall to 1 breast imaging center, 1 therapy and rehab clinic and 1 medical group.
What is Michael Damian Marshall's office phone number?
The practice phone on file for Michael Marshall is (724) 588-2100.
What is Michael Damian Marshall's medical license number?
Michael Marshall holds Pennsylvania license MA001071L.
Which hospitals is Michael Damian Marshall affiliated with?
Michael Marshall practices at UPMC Horizon - Greenville in Greenville, Pennsylvania. Michael Marshall is also affiliated with UPMC Jameson.
What medical group is Michael Damian Marshall part of?
Michael Marshall is linked to Stull, Jarvis, and Spinola Internal Medicine Associates-UPMC. Dmand AI links Michael Marshall to 1 more medical group.
Does Michael Damian Marshall accept Medicare?
Yes. CMS lists Michael Marshall as accepting Medicare assignment.
What is Michael Damian Marshall's MIPS score?
Michael Marshall's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Michael Damian Marshall see?
CMS counts 86 Medicare patients who saw Michael Marshall in 2024, with an average age of 75.
Has Michael Damian Marshall received payments from drug or device companies?
CMS Open Payments shows $375 in general payments to Michael Marshall from 2 companies from 2025 to 2025. The largest total came from Stryker Corporation.
How long has Michael Damian Marshall been practicing?
Michael Marshall graduated from medical school in 1987, 39 years ago.
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