Andrew E. Willson, PA-C
- Medicare patients, 2024
- 117
- Part D claims, 2024
- 3,014
- Hospital affiliations
- 2
- Industry payments
- $1,358
- Medical group
- 1
- Practice address
- 901 S Henry St, Bay City, MI 48706-5076
- Practice phone
- Call (989) 894-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Riverview Medical Associates
Primary care practice · Bay City, Michigan
Find Andrew Willson'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.
Andrew E. Willson is a physician assistant in Bay City, Michigan
Andrew Willson practices at Riverview Medical Associates in Bay City, Michigan.
Andrew Willson's NPI, 1952770976, was assigned on September 21, 2015. Andrew Willson holds Michigan license 5601007552.
- NPI
- 1952770976NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941519334
- NPI enumeration date
- September 21, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (989) 894-9000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Andrew E. Willson practices at Riverview Medical Associates in Bay City, Michigan
Andrew Willson's primary practice is Riverview Medical Associates, at 901 S Henry St, Bay City, MI 48706-5076. The practice phone is (989) 894-9000.
- Riverview Medical Associates901 S Henry St, Bay City, MI 48706-5076Phone(989) 894-9000
Source: Dmand AI Affiliation Data
Andrew E. Willson is affiliated with 3 sites of care and 1 medical group
Andrew Willson's primary practice is Riverview Medical Associates in Bay City, Michigan. Andrew Willson is also affiliated with McLaren Bay Region. The medical group on file is Riverview Medical Associates. Dmand AI also links Andrew Willson to 1 more hospital, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Andrew E. Willson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Andrew Willson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Riverview Medical Associates | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Andrew E. Willson is one of 5,857 physician assistants in Michigan
Physician assistant is Andrew Willson's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Andrew Willson is licensed in Michigan.
Specialties and state licenses
- Physician assistant, MichiganPrimary
Physician assistants near Andrew Willson
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
Andrew E. Willson treated 117 Medicare patients in 2024, average age 72
CMS counts 117 Medicare patients who saw Andrew Willson in 2024. The largest group is 65 to 74, with 59 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Andrew Willson's median patient age at 59, with 31% women.
Andrew Willson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Andrew Willson's Medicare patients by sex, 2024
- Women5345%
- Men6455%
Chronic conditions among Andrew Willson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Ischemic heart disease32%
- Mood disorders31%
- Depression29%
- Diabetes25%
- Anxiety24%
Share of Medicare patients with each condition. A patient can have several.
Andrew Willson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women31%
- Men69%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Andrew E. Willson wrote 3,014 Medicare Part D claims in 2024
In 2024, Andrew Willson wrote 3,014 Medicare Part D claims for 361 patients. 88% of them were for generic drugs.
Andrew Willson's Part D claims by kind of drug, 2024
- Generic2,654 claims88%
- Brand-name349 claims12%
- Other11 claims0%
Drug classes CMS tracks in Andrew Willson's Part D claims, 2024
- Opioids3%97 of 3,014 claims
- Antibiotics2%73 of 3,014 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 Andrew E. Willson takes part in Medicare
Andrew Willson 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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Andrew E. Willson received $1,358 in industry payments in 2025
CMS Open Payments shows 69 general payments to Andrew Willson from 22 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $231.
Companies that paid Andrew Willson 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 Andrew E. Willson'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 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 Andrew E. Willson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Andrew E. Willson's NPI number?
Andrew E. Willson's NPI number is 1952770976. It was assigned on September 21, 2015, and it is active in the NPI Registry.
What does Andrew E. Willson specialize in?
Andrew E. Willson is a physician assistant in Bay City, Michigan. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Andrew E. Willson practice?
Andrew Willson practices at 901 S Henry St, Bay City, MI 48706-5076. Andrew Willson's primary practice is Riverview Medical Associates in Bay City, Michigan. Dmand AI also links Andrew Willson to 1 hospital.
What is Andrew E. Willson's office phone number?
The practice phone on file for Andrew Willson is (989) 894-9000.
What is Andrew E. Willson's medical license number?
Andrew Willson holds Michigan license 5601007552.
Which hospitals is Andrew E. Willson affiliated with?
Andrew Willson is affiliated with McLaren Bay Region. Dmand AI links Andrew Willson to 1 more hospital.
What medical group is Andrew E. Willson part of?
Andrew Willson is linked to Riverview Medical Associates.
Does Andrew E. Willson accept Medicare?
Yes. CMS lists Andrew Willson as accepting Medicare assignment.
How many Medicare patients does Andrew E. Willson see?
CMS counts 117 Medicare patients who saw Andrew Willson in 2024, with an average age of 72.
Has Andrew E. Willson received payments from drug or device companies?
CMS Open Payments shows $1,358 in general payments to Andrew Willson from 22 companies from 2025 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Andrew E. Willson been practicing?
Andrew Willson graduated from medical school in 2015, 11 years ago.
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