Gregory V. Mallis, PsyD
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2013
- Practice address
- 4211 Parkway Place Dr SW, Grandville, MI 49418
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Pine Rest Southwest Clinic - HOPD
Psychiatric Hospital outpatient department · Grandville, Michigan
Find Gregory Mallis' 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.
Gregory V. Mallis is a psychologist in Grandville, Michigan
Gregory Mallis practices at Pine Rest Southwest Clinic - HOPD in Grandville, Michigan.
Gregory Mallis' NPI, 1780022194, was assigned on June 7, 2013. Gregory Mallis holds Michigan license 6301015440.
- NPI
- 1780022194NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789816299
- NPI enumeration date
- June 7, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Gregory V. Mallis practices at Pine Rest Southwest Clinic - HOPD in Grandville, Michigan
Gregory Mallis' primary practice is Pine Rest Southwest Clinic - HOPD, at 4211 Parkway Place Dr SW, Grandville, MI 49418.
- Pine Rest Southwest Clinic - HOPD4211 Parkway Place Dr SW, Grandville, MI 49418
Source: Dmand AI Affiliation Data
Gregory V. Mallis is affiliated with 2 sites of care and 1 medical group
Gregory Mallis' primary practice is Pine Rest Southwest Clinic - HOPD in Grandville, Michigan. Gregory Mallis is also affiliated with Pine Rest Christian Mental Health Services. The medical group on file is Pine Rest Christian Mental Health Services. Gregory Mallis' employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Gregory V. Mallis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Mallis practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pine Rest Southwest Clinic - HOPD | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Gregory V. Mallis is one of 864 psychologists in Michigan
Psychologist is Gregory Mallis' primary specialty in the NPI Registry, under taxonomy code 103T00000X. Gregory Mallis is licensed in Michigan.
Specialties and state licenses
- Psychologist, MichiganPrimary
Psychologists near Gregory Mallis
Counts of psychologists 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
Gregory V. Mallis' patients have a median age of 32
Across all payers, Dmand AI patient panel data puts Gregory Mallis' median patient age at 32, with 65% women.
Gregory Mallis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 32
Patient panel by sex, all payers
- Women65%
- Men35%
Source: Dmand AI Patient Panel Data
How Gregory V. Mallis takes part in Medicare
Gregory Mallis 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)
Sources for Gregory V. Mallis'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 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) |
| 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 Gregory V. Mallis
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gregory V. Mallis' NPI number?
Gregory V. Mallis' NPI number is 1780022194. It was assigned on June 7, 2013, and it is active in the NPI Registry.
What does Gregory V. Mallis specialize in?
Gregory V. Mallis is a psychologist in Grandville, Michigan. The primary specialty in the NPI Registry is Psychologist (taxonomy code 103T00000X).
Where does Gregory V. Mallis practice?
Gregory Mallis practices at 4211 Parkway Place Dr SW, Grandville, MI 49418. Gregory Mallis' primary practice is Pine Rest Southwest Clinic - HOPD in Grandville, Michigan.
What is Gregory V. Mallis' medical license number?
Gregory Mallis holds Michigan license 6301015440.
Which hospitals is Gregory V. Mallis affiliated with?
Gregory Mallis is affiliated with Pine Rest Christian Mental Health Services.
What medical group is Gregory V. Mallis part of?
Gregory Mallis is linked to Pine Rest Christian Mental Health Services.
Does Gregory V. Mallis accept Medicare?
Yes. CMS lists Gregory Mallis as accepting Medicare assignment.
How long has Gregory V. Mallis been practicing?
Gregory Mallis graduated from medical school in 2012, 14 years ago.
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