DR. GREGORY GEORGE STEVENS M.D.
NPI 1275672420
Internal Medicine in Auburn Hills, MI
About Dr. Gregory George Stevens M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GREGORY GEORGE STEVENS M.D. (NPI 1275672420) is an individual internal medicine provider in Auburn Hills, Michigan, licensed in Michigan (4301053593) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with Ascension Providence Rochester Hospital, and is a graduate of Other (1985).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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. Gregory George Stevens 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 Reassignments
3Medicare enrollment records show Gregory Stevens reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rochester, MI 48307
- Reassigned Medicare billing, Michigan enrollment
- 59 clinicians in this Medicare group
Troy, MI 48098
- Reassigned Medicare billing, Michigan enrollment
- 3 clinicians in this Medicare group
Southfield, MI 48075
- Reassigned Medicare billing, Michigan enrollment
- 84 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 15
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension Providence Rochester Hospital
Acute Care Hospitals · Rochester, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48326 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 3
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.
AUBURN HILLS, MI 48326
AUBURN HILLS, MI 48326
AUBURN HILLS, MI 48326
AUBURN HILLS, MI 48326
AUBURN HILLS, MI 48326
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 Gregory Stevens's NPI number?
The NPI number for Gregory Stevens is 1275672420. It was assigned to this individual provider in the NPPES registry on February 5, 2007.
Where is Gregory Stevens located?
Gregory Stevens practices at 3100 Cross Creek Pkwy Suite 220, Auburn Hills, MI 48326. The listed phone number is (248) 377-0600.
What is Gregory Stevens's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Gregory Stevens enrolled in Medicare?
Yes. Gregory Stevens 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 organizations bill Medicare for Gregory Stevens's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Stevens reassigns Medicare benefits to 3 organizations: Henry Ford Health Rochester Hospital (Rochester, MI), Tranquility House Calls, LLC (Troy, MI) and Henry Ford Physician Partners (Southfield, MI). Each 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 Gregory Stevens's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Stevens accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 1 other insurer list Gregory Stevens 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.
Is Gregory Stevens affiliated with any hospitals?
According to CMS data, Gregory Stevens is affiliated with Ascension Providence Rochester Hospital.
When was this NPI record last updated?
The NPPES record for Gregory Stevens was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 49 days 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.