Matthew S. Bay, PA
- Medicare patients, 2024
- 64
- Part D claims, 2024
- 213
- Hospital affiliations
- 2
- Medical group
- 1
- State license
- 1
- Practice address
- 1818 N Meade St, Appleton, WI 54911
- Practice phone
- Call (920) 731-4101
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Matthew Bay'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 S. Bay is a physician assistant in Appleton, Wisconsin
Matthew Bay practices at ThedaCare Regional Medical Center-Appleton in Appleton, Wisconsin, part of Froedtert ThedaCare Health.
Matthew Bay's NPI, 1033359401, was assigned on February 25, 2009. Matthew Bay graduated from University of Nebraska College of Medicine in 2009. Matthew Bay holds Wisconsin license 2387.
- NPI
- 1033359401NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739237108
- NPI enumeration date
- February 25, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (920) 731-4101
- 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)
Matthew S. Bay practices at ThedaCare Regional Medical Center-Appleton in Appleton, Wisconsin
Matthew Bay's primary practice is ThedaCare Regional Medical Center-Appleton, at 1818 N Meade St, Appleton, WI 54911 in Outagamie County. The practice phone is (920) 731-4101.
- ThedaCare Regional Medical Center-Appleton1818 N Meade St, Appleton, WI 54911 · Outagamie CountyPhone(920) 731-4101
Source: Dmand AI Affiliation Data
Matthew S. Bay is affiliated with 3 sites of care and 1 medical group
Matthew Bay's primary practice is ThedaCare Regional Medical Center-Appleton in Appleton, Wisconsin, part of Froedtert ThedaCare Health. The medical group on file is Fox Valley Surgical Specialists. Dmand AI also links Matthew Bay to 1 more hospital and 1 group practice or 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 S. Bay's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Matthew Bay practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| ThedaCare Regional Medical Center-Appleton | Available with a free account |
| +2 more affiliated sites | 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 Froedtert ThedaCare Health and 6.2K+ hospitals, with verified contacts in the same login.
Matthew S. Bay is one of 3,127 physician assistants in Wisconsin
Physician assistant is Matthew Bay's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Matthew Bay is licensed in Wisconsin.
Specialties and state licenses
- Physician assistant, WisconsinPrimary
Physician assistants near Matthew Bay
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 S. Bay treated 64 Medicare patients in 2024, average age 72
CMS counts 64 Medicare patients who saw Matthew Bay in 2024. The largest group is 65 to 74, with 27 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 20% are also on Medicaid. Their average risk score is 2.99, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Matthew Bay's median patient age at 62, with 44% women.
Matthew Bay's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Matthew Bay's Medicare patients by sex, 2024
- Women3656%
- Men2844%
Chronic conditions among Matthew Bay's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis53%
- Chronic kidney disease47%
- Diabetes38%
- Mood disorders34%
- Depression33%
- Ischemic heart disease33%
Share of Medicare patients with each condition. A patient can have several.
Matthew Bay's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women44%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Matthew S. Bay wrote 213 Medicare Part D claims in 2024
In 2024, Matthew Bay wrote 213 Medicare Part D claims for 87 patients. 78% of them were for generic drugs.
Matthew Bay's Part D claims by kind of drug, 2024
- Generic166 claims78%
- Brand-name47 claims22%
Drug classes CMS tracks in Matthew Bay's Part D claims, 2024
- Opioids31%65 of 213 claims
- Antibiotics11%23 of 213 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 Matthew S. Bay takes part in Medicare
Matthew Bay 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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Matthew S. Bay graduated from University of Nebraska College of Medicine
Matthew Bay graduated from University of Nebraska College of Medicine in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Matthew S. Bay'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) |
| 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 Matthew S. Bay
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 S. Bay's NPI number?
Matthew S. Bay's NPI number is 1033359401. It was assigned on February 25, 2009, and it is active in the NPI Registry.
What does Matthew S. Bay specialize in?
Matthew S. Bay is a physician assistant in Appleton, Wisconsin. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Matthew S. Bay practice?
Matthew Bay practices at 1818 N Meade St, Appleton, WI 54911. Matthew Bay's primary practice is ThedaCare Regional Medical Center-Appleton in Appleton, Wisconsin, part of Froedtert ThedaCare Health. Dmand AI also links Matthew Bay to 1 hospital and 1 group practice or clinic.
What is Matthew S. Bay's office phone number?
The practice phone on file for Matthew Bay is (920) 731-4101.
What is Matthew S. Bay's medical license number?
Matthew Bay holds Wisconsin license 2387.
Which hospitals is Matthew S. Bay affiliated with?
Matthew Bay practices at ThedaCare Regional Medical Center-Appleton in Appleton, Wisconsin. Dmand AI links Matthew Bay to 1 more hospital.
What medical group is Matthew S. Bay part of?
Matthew Bay is linked to Fox Valley Surgical Specialists.
Does Matthew S. Bay accept Medicare?
Yes. CMS lists Matthew Bay as accepting Medicare assignment.
How many Medicare patients does Matthew S. Bay see?
CMS counts 64 Medicare patients who saw Matthew Bay in 2024, with an average age of 72.
Where did Matthew S. Bay go to medical school?
Matthew Bay graduated from University of Nebraska College of Medicine in 2009.
How long has Matthew S. Bay been practicing?
Matthew Bay graduated from medical school in 2009, 17 years ago.
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