Janelle Therese Zajac, PA-C
Physician Assistant · Rockford, MI
At a glance
6150 Northland Dr Ne, Rockford, MI 49341-9852
NPPES record updated Oct 3, 2024. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
6150 Northland Dr NeRockford, MI 49341-9852
Additional reported practice locations
3290 N Wellness Dr Ste 240Holland, MI 494247261
Phone: 6163959379
Fax: 6168201457 3434 Rivertown Point Ct Sw
Grandville, MI 494183076
Phone: 6162573344
Fax: 6162571491
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2024
- CMS specialties
- Physician Assistant
Practice groups
Reported hospital affiliations
- Spectrum Health Grand Rapids, MI
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Service-mix comparison is unavailable for this NPI in the imported Medicare service file.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $1,460.11 |
| Education | $194.98 |
Reporting companies
| Company | Amount |
|---|---|
| REGENERON HEALTHCARE SOLUTIONS, INC. | $302.87 |
| NOVARTIS PHARMACEUTICALS CORPORATION | $229.04 |
| SUN PHARMACEUTICAL INDUSTRIES INC. | $195.16 |
| INCYTE CORPORATION | $171.72 |
| LEO PHARMA INC. | $113.68 |
| UCB, INC. | $110.76 |
| JANSSEN BIOTECH, INC. | $99.99 |
| GENZYME CORPORATION | $82.64 |
| Other reporting companies | $349.23 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Physician Assistant
- Taxonomy code
- 363A00000X
- Enumeration date
- Oct 3, 2024
- Record updated
- Oct 3, 2024
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- PA-C
Reported taxonomies and licenses
363A00000X · Primary
License reported: 5601012697 MI
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
6150 Northland Dr NeRockford, MI 49341-9852
- Phone
- (616) 942-9343
- Fax
- (616) 942-2538
Mailing address
3434 RIVERTOWN POINT CT SWGRANDVILLE, MI 494183076
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
Report a directory issue