Bethany Joy Tillema, PA-C
- Medicare patients, 2024
- 55
- Part D claims, 2024
- 435
- Hospital affiliations
- 2
- Industry payments
- $14
- Medical groups
- 2
- Practice address
- 588 E Lakewood Blvd, Holland, MI 49424
- Practice phone
- Call (616) 395-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Corewell Health Medical Group West
Holland, Michigan
Find Bethany Tillema'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.
Bethany Joy Tillema is a physician assistant in Holland, Michigan
Bethany Tillema practices at Corewell Health Medical Group West in Holland, Michigan.
Bethany Tillema's NPI, 1417920331, was assigned on February 10, 2006. Bethany Tillema holds Michigan license 5601008127.
- NPI
- 1417920331NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870877889
- NPI enumeration date
- February 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (616) 395-9000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Bethany Joy Tillema practices at Corewell Health Medical Group West in Holland, Michigan
Bethany Tillema's primary practice is Corewell Health Medical Group West, at 588 E Lakewood Blvd, Holland, MI 49424 in Ottawa County. The practice phone is (616) 395-9000.
- Corewell Health Medical Group West588 E Lakewood Blvd, Holland, MI 49424 · Ottawa CountyPhone(616) 395-9000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Bethany Joy Tillema is affiliated with 4 sites of care and 2 medical groups
Bethany Tillema's primary practice is Corewell Health Medical Group West in Holland, Michigan. Bethany Tillema is also affiliated with Corewell Health Grand Rapids Hospitals - Butterworth. The medical group on file is Corewell Health Medical Group West. Dmand AI also links Bethany Tillema to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Bethany Joy Tillema's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Bethany Tillema practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Medical Group West | Available with a free account |
| +3 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Bethany Joy Tillema is one of 5,857 physician assistants in Michigan
Physician assistant is Bethany Tillema's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Bethany Tillema is licensed in Michigan.
Specialties and state licenses
- Physician assistant, MichiganPrimary
Physician assistants near Bethany Tillema
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
Bethany Joy Tillema treated 55 Medicare patients in 2024, average age 70
CMS counts 55 Medicare patients who saw Bethany Tillema in 2024. The largest group is 65 to 74, with 30 patients. 75% of them have arthritis, and 73% have high cholesterol. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Bethany Tillema's median patient age at 61, with 55% women.
Bethany Tillema's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Bethany Tillema's Medicare patients by sex, 2024
- Women2545%
- Men3055%
Chronic conditions among Bethany Tillema's Medicare patients, 2024
- Arthritis75%
- High cholesterol73%
- High blood pressure71%
- Anxiety36%
- Mood disorders27%
- Depression25%
- Diabetes20%
- Ischemic heart disease20%
Share of Medicare patients with each condition. A patient can have several.
Bethany Tillema's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Bethany Joy Tillema wrote 435 Medicare Part D claims in 2024
In 2024, Bethany Tillema wrote 435 Medicare Part D claims for 138 patients. 98% of them were for generic drugs.
Bethany Tillema's Part D claims by kind of drug, 2024
- Generic428 claims98%
- Brand-name and other7 claims2%
Drug classes CMS tracks in Bethany Tillema's Part D claims, 2024
- Opioids22%96 of 435 claims
- Antibiotics15%64 of 435 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 Bethany Joy Tillema takes part in Medicare
Bethany Tillema 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.
Bethany Joy Tillema received $14 in industry payments in 2025
CMS Open Payments shows 1 general payment to Bethany Tillema from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Dynasplint Systems Inc. paid the most, $14.
Companies that paid Bethany Tillema 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 Bethany Joy Tillema'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 Bethany Joy Tillema
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Bethany Joy Tillema's NPI number?
Bethany Joy Tillema's NPI number is 1417920331. It was assigned on February 10, 2006, and it is active in the NPI Registry.
What does Bethany Joy Tillema specialize in?
Bethany Joy Tillema is a physician assistant in Holland, Michigan. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Bethany Joy Tillema practice?
Bethany Tillema practices at 588 E Lakewood Blvd, Holland, MI 49424. Bethany Tillema's primary practice is Corewell Health Medical Group West in Holland, Michigan. Dmand AI also links Bethany Tillema to 1 hospital, 1 group practice or clinic and 1 medical group.
What is Bethany Joy Tillema's office phone number?
The practice phone on file for Bethany Tillema is (616) 395-9000.
What is Bethany Joy Tillema's medical license number?
Bethany Tillema holds Michigan license 5601008127.
Which hospitals is Bethany Joy Tillema affiliated with?
Bethany Tillema is affiliated with Corewell Health Grand Rapids Hospitals - Butterworth. Dmand AI links Bethany Tillema to 1 more hospital.
What medical group is Bethany Joy Tillema part of?
Bethany Tillema is linked to Corewell Health Medical Group West. Dmand AI links Bethany Tillema to 1 more medical group.
Does Bethany Joy Tillema accept Medicare?
Yes. CMS lists Bethany Tillema as accepting Medicare assignment.
How many Medicare patients does Bethany Joy Tillema see?
CMS counts 55 Medicare patients who saw Bethany Tillema in 2024, with an average age of 70.
Has Bethany Joy Tillema received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to Bethany Tillema from 1 company from 2025 to 2025. The largest total came from Dynasplint Systems Inc.
How long has Bethany Joy Tillema been practicing?
Bethany Tillema graduated from medical school in 2017, 9 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