Steven D. Gillis, PA
- Part D claims, 2024
- 4,726
- Hospital affiliations
- 2
- Industry payments
- $14
- Medical groups
- 4
- State license
- 1
- Practice address
- 3264 N Evergreen NE Dr, Grand Rapids, MI 49525
- Practice phone
- Call (616) 754-3001
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Spectrum Health United
Grand Rapids, Michigan
Find Steven Gillis' 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.
Steven D. Gillis is a physician assistant in Grand Rapids, Michigan
Steven Gillis practices at Spectrum Health United in Grand Rapids, Michigan.
Steven Gillis' NPI, 1023127685, was assigned on August 29, 2006. Steven Gillis holds Michigan license 5601002668.
- NPI
- 1023127685NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719942564
- NPI enumeration date
- August 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (616) 754-3001
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Steven D. Gillis practices at Spectrum Health United in Grand Rapids, Michigan
Steven Gillis' primary practice is Spectrum Health United, at 3264 N Evergreen NE Dr, Grand Rapids, MI 49525 in Kent County. The practice phone is (616) 754-3001.
- Spectrum Health United3264 N Evergreen NE Dr, Grand Rapids, MI 49525 · Kent CountyPhone(616) 754-3001
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Steven D. Gillis is affiliated with 5 sites of care and 4 medical groups
Steven Gillis' primary practice is Spectrum Health United in Grand Rapids, Michigan. Steven Gillis 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 Steven Gillis to 1 more hospital, 3 medical groups, 1 group practice or clinic and 1 rural health clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Steven D. Gillis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Steven Gillis practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Spectrum Health United | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Steven D. Gillis is one of 5,857 physician assistants in Michigan
Physician assistant is Steven Gillis' primary specialty in the NPI Registry, under taxonomy code 363A00000X. Steven Gillis is licensed in Michigan.
Specialties and state licenses
- Physician assistant, MichiganPrimary
Physician assistants near Steven Gillis
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
Steven D. Gillis' patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Steven Gillis' median patient age at 59, with 52% women.
Steven Gillis' 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
- Women52%
- Men48%
Source: Dmand AI Patient Panel Data
Steven D. Gillis wrote 4,726 Medicare Part D claims in 2024
In 2024, Steven Gillis wrote 4,726 Medicare Part D claims for 1,038 patients. 88% of them were for generic drugs.
Steven Gillis' Part D claims by kind of drug, 2024
- Generic4,137 claims88%
- Brand-name567 claims12%
- Other22 claims0%
Drug classes CMS tracks in Steven Gillis' Part D claims, 2024
- Opioids7%335 of 4,726 claims
- Antibiotics4%203 of 4,726 claims
- Antipsychotics, patients 65 and over1%29 of 4,726 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 Steven D. Gillis takes part in Medicare
Steven Gillis 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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Steven D. Gillis received $14 in industry payments in 2025
CMS Open Payments shows 1 general payment to Steven Gillis from 1 drug or device company in 2025. Education make up the largest share, 100% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $14.
Companies that paid Steven Gillis 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 Steven D. Gillis'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 DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 Steven D. Gillis
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What is Steven D. Gillis' NPI number?
Steven D. Gillis' NPI number is 1023127685. It was assigned on August 29, 2006, and it is active in the NPI Registry.
What does Steven D. Gillis specialize in?
Steven D. Gillis is a physician assistant in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Steven D. Gillis practice?
Steven Gillis practices at 3264 N Evergreen NE Dr, Grand Rapids, MI 49525. Steven Gillis' primary practice is Spectrum Health United in Grand Rapids, Michigan. Dmand AI also links Steven Gillis to 1 hospital, 3 medical groups, 1 group practice or clinic and 1 rural health clinic.
What is Steven D. Gillis' office phone number?
The practice phone on file for Steven Gillis is (616) 754-3001.
What is Steven D. Gillis' medical license number?
Steven Gillis holds Michigan license 5601002668.
Which hospitals is Steven D. Gillis affiliated with?
Steven Gillis is affiliated with Corewell Health Grand Rapids Hospitals - Butterworth. Dmand AI links Steven Gillis to 1 more hospital.
What medical group is Steven D. Gillis part of?
Steven Gillis is linked to Corewell Health Medical Group West. Dmand AI links Steven Gillis to 3 more medical groups.
Does Steven D. Gillis accept Medicare?
Yes. CMS lists Steven Gillis as accepting Medicare assignment.
Has Steven D. Gillis received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to Steven Gillis from 1 company from 2025 to 2025. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.
How long has Steven D. Gillis been practicing?
Steven Gillis graduated from medical school in 1996, 30 years ago.
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