Matthew A. Stack, PA-C
- Part D claims, 2026
- 554
- Hospital affiliations
- 1
- Industry payments
- $51
- Medical groups
- 3
- State licenses
- 2
- Practice address
- 300 E Warwick Dr, Alma, MI 48801
- Practice phone
- Call (989) 463-1101
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Matthew Stack'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.
Matthew A. Stack is a physician assistant in Alma, Michigan
Matthew Stack practices at MyMichigan Medical Center Alma in Alma, Michigan, part of MyMichigan Health.
Matthew Stack's NPI, 1033108667, was assigned on October 17, 2005. Matthew Stack holds Michigan license 5601003961.
- NPI
- 1033108667NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981896685
- NPI enumeration date
- October 17, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (989) 463-1101
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Matthew A. Stack practices at MyMichigan Medical Center Alma in Alma, Michigan
Matthew Stack's primary practice is MyMichigan Medical Center Alma, at 300 E Warwick Dr, Alma, MI 48801 in Gratiot County. The practice phone is (989) 463-1101.
- MyMichigan Medical Center Alma300 E Warwick Dr, Alma, MI 48801 · Gratiot CountyPhone(989) 463-1101
Source: Dmand AI Affiliation Data
Matthew A. Stack is affiliated with 3 sites of care and 3 medical groups
Matthew Stack's primary practice is MyMichigan Medical Center Alma in Alma, Michigan, part of MyMichigan Health. The medical group on file is MyMichigan Health. Dmand AI also links Matthew Stack to 2 more medical groups, 1 hospital outpatient department and 1 rural health clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Matthew A. Stack's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Matthew Stack practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MyMichigan Medical Center Alma | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across MyMichigan Health and 6.2K+ hospitals, with verified contacts in the same login.
Matthew A. Stack is one of 5,857 physician assistants in Michigan
Physician assistant is Matthew Stack's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Matthew Stack's licenses on file in 2 states: Michigan and Arizona.
Specialties and state licenses
- Physician assistant, MichiganPrimary
- Arizona license
Physician assistants near Matthew Stack
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
Matthew A. Stack's patients have a median age of 46
Across all payers, Dmand AI patient panel data puts Matthew Stack's median patient age at 46, with 42% women.
Matthew Stack's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women42%
- Men58%
Source: Dmand AI Patient Panel Data
Matthew A. Stack wrote 554 Medicare Part D claims in 2026
In 2026, Matthew Stack wrote 554 Medicare Part D claims for 46 patients. 92% of them were for generic drugs.
Matthew Stack's Part D claims by kind of drug, 2026
- Generic509 claims92%
- Brand-name and other45 claims8%
Drug classes CMS tracks in Matthew Stack's Part D claims, 2026
- Antipsychotics, patients 65 and over8%43 of 554 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), 2026 data
How Matthew A. Stack takes part in Medicare
Matthew Stack 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Matthew A. Stack received $51 in industry payments in 2025
CMS Open Payments shows 2 general payments to Matthew Stack from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $51.
Companies that paid Matthew Stack 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 Matthew A. Stack'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 Data |
| 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 Matthew A. Stack
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Matthew A. Stack's NPI number?
Matthew A. Stack's NPI number is 1033108667. It was assigned on October 17, 2005, and it is active in the NPI Registry.
What does Matthew A. Stack specialize in?
Matthew A. Stack is a physician assistant in Alma, Michigan. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Matthew A. Stack practice?
Matthew Stack practices at 300 E Warwick Dr, Alma, MI 48801. Matthew Stack's primary practice is MyMichigan Medical Center Alma in Alma, Michigan, part of MyMichigan Health. Dmand AI also links Matthew Stack to 2 medical groups, 1 hospital outpatient department and 1 rural health clinic, and a free account names each one.
What is Matthew A. Stack's office phone number?
The practice phone on file for Matthew Stack is (989) 463-1101. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Matthew A. Stack's email address?
Dmand AI checks professional and personal email addresses for Matthew Stack through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Matthew A. Stack's medical license number?
Matthew Stack holds Michigan license 5601003961, one of the licenses on file in 2 states.
Which states has Matthew A. Stack been licensed in?
Dmand AI has state licenses on file for Matthew Stack in Michigan and Arizona.
Which hospitals is Matthew A. Stack affiliated with?
Matthew Stack practices at MyMichigan Medical Center Alma in Alma, Michigan.
What medical group is Matthew A. Stack part of?
Matthew Stack is linked to MyMichigan Health. Dmand AI links Matthew Stack to 2 more medical groups, named with a free account.
Who does Matthew A. Stack practice with?
Dmand AI links 75 HCPs to Matthew Stack's primary medical group, 11 of them physician assistants. A free account lists them, with verified contacts.
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Does Matthew A. Stack accept Medicare?
Yes. CMS lists Matthew Stack as accepting Medicare assignment.
Has Matthew A. Stack received payments from drug or device companies?
CMS Open Payments shows $51 in general payments to Matthew Stack from 1 company from 2025 to 2025. The largest total came from Bristol-Myers Squibb Company.
How long has Matthew A. Stack been practicing?
Matthew Stack graduated from medical school in 2002, 24 years ago.
What EHR does Matthew A. Stack's practice use?
Dmand AI tracks the EHR system at MyMichigan Medical Center Alma and at 2 more sites and 2 medical groups. The vendor and product are available with a free Dmand AI account.
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