Janelle Therese Zajac, PA-C
- Hospital affiliations
- 1
- Industry payments
- $775
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2024
- Practice address
- 3434 Rivertown Point SW Ct, Grandville, MI 49418
- Practice phone
- Call (616) 257-3344
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
West Michigan Dermatology
Grandville, Michigan
Find Janelle Zajac'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.
Janelle Therese Zajac is a physician assistant in Grandville, Michigan
Janelle Zajac practices at West Michigan Dermatology in Grandville, Michigan.
Janelle Zajac's NPI, 1548088941, was assigned on October 3, 2024. Janelle Zajac holds Michigan license 5601012697.
- NPI
- 1548088941NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042742454
- NPI enumeration date
- October 3, 2024
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (616) 257-3344
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 28
- Medical school graduation
- 2024
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Janelle Therese Zajac practices at West Michigan Dermatology in Grandville, Michigan
Janelle Zajac's primary practice is West Michigan Dermatology, at 3434 Rivertown Point SW Ct, Grandville, MI 49418 in Kent County. The practice phone is (616) 257-3344.
- West Michigan Dermatology3434 Rivertown Point SW Ct, Grandville, MI 49418 · Kent CountyPhone(616) 257-3344
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Janelle Therese Zajac is affiliated with 3 sites of care and 1 medical group
Janelle Zajac's primary practice is West Michigan Dermatology in Grandville, Michigan. Janelle Zajac is also affiliated with Corewell Health Grand Rapids Hospitals - Butterworth. The medical group on file is West Michigan Dermatology. Dmand AI also links Janelle Zajac to 1 more group practice or clinic, 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 Janelle Therese Zajac's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Janelle Zajac practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| West Michigan Dermatology | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Janelle Therese Zajac is one of 5,857 physician assistants in Michigan
Physician assistant is Janelle Zajac's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Janelle Zajac is licensed in Michigan.
Specialties and state licenses
- Physician assistant, MichiganPrimary
Physician assistants near Janelle Zajac
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
Janelle Therese Zajac's patients have a median age of 57
Across all payers, Dmand AI patient panel data puts Janelle Zajac's median patient age at 57, with 61% women.
Janelle Zajac's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women61%
- Men39%
Source: Dmand AI Patient Panel Data
How Janelle Therese Zajac takes part in Medicare
Janelle Zajac 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)
Janelle Therese Zajac received $775 in industry payments in 2025
CMS Open Payments shows 33 general payments to Janelle Zajac from 13 drug and device companies in 2025. Food and beverage make up the largest share, 87% of the total. Regeneron Pharmaceuticals, Inc. paid the most, $200.
General payments to Janelle Zajac by kind, 2025 to 2025
- Food and beverage$67587%
- Education$10013%
Companies that paid Janelle Zajac 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 Janelle Therese Zajac'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 Data |
| 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 Janelle Therese Zajac
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Janelle Therese Zajac's NPI number?
Janelle Therese Zajac's NPI number is 1548088941. It was assigned on October 3, 2024, and it is active in the NPI Registry.
What does Janelle Therese Zajac specialize in?
Janelle Therese Zajac is a physician assistant in Grandville, Michigan. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Janelle Therese Zajac practice?
Janelle Zajac practices at 3434 Rivertown Point SW Ct, Grandville, MI 49418. Janelle Zajac's primary practice is West Michigan Dermatology in Grandville, Michigan. Dmand AI also links Janelle Zajac to 1 group practice or clinic.
What is Janelle Therese Zajac's office phone number?
The practice phone on file for Janelle Zajac is (616) 257-3344.
What is Janelle Therese Zajac's medical license number?
Janelle Zajac holds Michigan license 5601012697.
Which hospitals is Janelle Therese Zajac affiliated with?
Janelle Zajac is affiliated with Corewell Health Grand Rapids Hospitals - Butterworth.
What medical group is Janelle Therese Zajac part of?
Janelle Zajac is linked to West Michigan Dermatology.
Does Janelle Therese Zajac accept Medicare?
Yes. CMS lists Janelle Zajac as accepting Medicare assignment.
Has Janelle Therese Zajac received payments from drug or device companies?
CMS Open Payments shows $775 in general payments to Janelle Zajac from 13 companies from 2025 to 2025. The largest total came from Regeneron Pharmaceuticals, Inc.
How long has Janelle Therese Zajac been practicing?
Janelle Zajac graduated from medical school in 2024, 2 years ago.
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