Holly Vanderwerff
- Medicare patients, 2024
- 59
- Part D claims, 2024
- 1,259
- Hospital affiliations
- 1
- Industry payments
- $454
- Medical groups
- 2
- Practice address
- 3601 W Thirteen Mile Rd, Royal Oak, MI 48073
- Practice phone
- Call (248) 898-5400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Holly Vanderwerff'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.
Holly Vanderwerff is a physician assistant in Royal Oak, Michigan
Holly Vanderwerff practices at Corewell Health William Beaumont University Hospital in Royal Oak, Michigan, part of Corewell Health.
Holly Vanderwerff's NPI, 1194195966, was assigned on October 5, 2015. Holly Vanderwerff holds Michigan license 5601007515.
- NPI
- 1194195966NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577873710
- NPI enumeration date
- October 5, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (248) 898-5400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- 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)
Holly Vanderwerff practices at Corewell Health William Beaumont University Hospital in Royal Oak, Michigan
Holly Vanderwerff's primary practice is Corewell Health William Beaumont University Hospital, at 3601 W Thirteen Mile Rd, Royal Oak, MI 48073 in Oakland County. The practice phone is (248) 898-5400.
- Corewell Health William Beaumont University Hospital3601 W Thirteen Mile Rd, Royal Oak, MI 48073 · Oakland CountyPhone(248) 898-5400
Source: Dmand AI Affiliation Data
Holly Vanderwerff is affiliated with 3 sites of care and 2 medical groups
Holly Vanderwerff's primary practice is Corewell Health William Beaumont University Hospital in Royal Oak, Michigan, part of Corewell Health. The medical group on file is PRISM Medical Group. Dmand AI also links Holly Vanderwerff to 2 more group practices and clinics 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 Holly Vanderwerff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Holly Vanderwerff practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health William Beaumont University Hospital | Available with a free account |
| +2 more sites and 1 medical group | 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 Corewell Health and 6.2K+ hospitals, with verified contacts in the same login.
Holly Vanderwerff is one of 5,857 physician assistants in Michigan
Physician assistant is Holly Vanderwerff's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Holly Vanderwerff is licensed in Michigan.
Specialties and state licenses
- Physician assistant, MichiganPrimary
Physician assistants near Holly Vanderwerff
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
Holly Vanderwerff treated 59 Medicare patients in 2024, average age 76
CMS counts 59 Medicare patients who saw Holly Vanderwerff in 2024. The largest group is 65 to 74, with 26 patients. 71% of them have high cholesterol, and 68% have high blood pressure. Their average risk score is 1.00, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Holly Vanderwerff's median patient age at 54, with 58% women.
Holly Vanderwerff's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Holly Vanderwerff's Medicare patients by sex, 2024
- Women3966%
- Men2034%
Chronic conditions among Holly Vanderwerff's Medicare patients, 2024
- High cholesterol71%
- High blood pressure68%
- Arthritis54%
- Osteoporosis32%
- Ischemic heart disease31%
- Anxiety25%
- Diabetes22%
- Mood disorders20%
Share of Medicare patients with each condition. A patient can have several.
Holly Vanderwerff's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Holly Vanderwerff wrote 1,259 Medicare Part D claims in 2024
In 2024, Holly Vanderwerff wrote 1,259 Medicare Part D claims for 590 patients. 93% of them were for generic drugs.
Holly Vanderwerff's Part D claims by kind of drug, 2024
- Generic1,165 claims93%
- Brand-name94 claims7%
Drug classes CMS tracks in Holly Vanderwerff's Part D claims, 2024
- Antibiotics3%42 of 1,259 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 Holly Vanderwerff takes part in Medicare
Holly Vanderwerff 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.
Holly Vanderwerff received $454 in industry payments in 2025
CMS Open Payments shows 22 general payments to Holly Vanderwerff from 11 drug and device companies in 2025. Food and beverage make up the largest share, 97% of the total. Sanofi and Genzyme US Companies paid the most, $105.
General payments to Holly Vanderwerff by kind, 2025 to 2025
- Food and beverage$44197%
- Education$133%
Companies that paid Holly Vanderwerff 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 Holly Vanderwerff'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) |
| 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 Holly Vanderwerff
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Holly Vanderwerff's NPI number?
Holly Vanderwerff's NPI number is 1194195966. It was assigned on October 5, 2015, and it is active in the NPI Registry.
What does Holly Vanderwerff specialize in?
Holly Vanderwerff is a physician assistant in Royal Oak, Michigan. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Holly Vanderwerff practice?
Holly Vanderwerff practices at 3601 W Thirteen Mile Rd, Royal Oak, MI 48073. Holly Vanderwerff's primary practice is Corewell Health William Beaumont University Hospital in Royal Oak, Michigan, part of Corewell Health. Dmand AI also links Holly Vanderwerff to 2 group practices and clinics and 1 medical group.
What is Holly Vanderwerff's office phone number?
The practice phone on file for Holly Vanderwerff is (248) 898-5400.
What is Holly Vanderwerff's medical license number?
Holly Vanderwerff holds Michigan license 5601007515.
Which hospitals is Holly Vanderwerff affiliated with?
Holly Vanderwerff practices at Corewell Health William Beaumont University Hospital in Royal Oak, Michigan.
What medical group is Holly Vanderwerff part of?
Holly Vanderwerff is linked to PRISM Medical Group. Dmand AI links Holly Vanderwerff to 1 more medical group.
Does Holly Vanderwerff accept Medicare?
Yes. CMS lists Holly Vanderwerff as accepting Medicare assignment.
How many Medicare patients does Holly Vanderwerff see?
CMS counts 59 Medicare patients who saw Holly Vanderwerff in 2024, with an average age of 76.
Has Holly Vanderwerff received payments from drug or device companies?
CMS Open Payments shows $454 in general payments to Holly Vanderwerff from 11 companies from 2025 to 2025. The largest total came from Sanofi and Genzyme US Companies.
How long has Holly Vanderwerff been practicing?
Holly Vanderwerff graduated from medical school in 2015, 11 years ago.
Selling to physician assistant practices?
See physician assistants in Michigan by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card