DR. GEOFFREY TRIVAX M.D.
NPI 1164407730
Internal Medicine in Southfield, MI
About Dr. Geoffrey Trivax M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GEOFFREY TRIVAX M.D. (NPI 1164407730) is an individual internal medicine provider in Southfield, Michigan, licensed in Michigan (4301031978) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of Wayne State University School Of Medicine (1972).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 8
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Geoffrey Trivax M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Geoffrey Trivax reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Farmington Hills, MI 48334
- Reassigned Medicare billing, Michigan enrollment
- 741 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 10
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48034 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SOUTHFIELD, MI 48034
SOUTHFIELD, MI 48034
SOUTHFIELD, MI 48034
SOUTHFIELD, MI 48034
SOUTHFIELD, MI 48034
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Geoffrey Trivax's NPI number?
The NPI number for Geoffrey Trivax is 1164407730. It was assigned to this individual provider in the NPPES registry on December 7, 2005.
Where is Geoffrey Trivax located?
Geoffrey Trivax practices at 28625 Northwestern Hwy Suite 213, Southfield, MI 48034. The listed phone number is (248) 354-9666.
What is Geoffrey Trivax's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Geoffrey Trivax enrolled in Medicare?
Yes. Geoffrey Trivax is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Geoffrey Trivax's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Geoffrey Trivax reassigns Medicare benefits to Michigan Healthcare Professionals PC (Farmington Hills, MI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Geoffrey Trivax's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Geoffrey Trivax accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health and UnitedHealthcare list Geoffrey Trivax as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Geoffrey Trivax was last updated on February 17, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Geoffrey Trivax, M.D. · NPI 1164407730
Internal Medicine physician in Southfield, Michigan. Individual provider, active in the CMS NPPES registry since December 7, 2005.
## Identity
- **NPI:** 1164407730 (Entity type: Individual)
- **Enumerated:** December 7, 2005
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 4301031978 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 28625 NORTHWESTERN HWY, SUITE 213, Southfield, MI 48034-1828
- **Phone:** (248) 354-9666 · **Fax:** (248) 354-3653
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Michigan Healthcare Professionals PC (NPI 1295023547, Farmington Hills, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wayne State University School Of Medicine, class of 1972
## Record status
- **NPPES last updated:** February 17, 2011
- **Other identifiers:** Other 700F314390 (MI); Other B0531 (MI); Medicaid 1164407730 (MI); and 5 more
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Source: [NPI Profile](https://npiprofile.com/npi/1164407730) · Data from the CMS NPPES public registry.