GREGORY S DEFOR MD
NPI 1265496954
Family Medicine in Inver Grove Heights, MN
About Gregory S Defor Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY S DEFOR MD (NPI 1265496954) is an individual family medicine provider in Inver Grove Heights, Minnesota, licensed in Minnesota (38410) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Essentia Health St Mary's Medical Center, and is a graduate of University Of Minnesota Medical School (1994).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Gregory S Defor Md 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 Defor reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hinckley, MN 55037
- Reassigned Medicare billing, Minnesota enrollment
- 159 clinicians in this Medicare group
Moose Lake, MN 55767
- Reassigned Medicare billing, Minnesota enrollment
- 213 clinicians in this Medicare group
Cloquet, MN 55720
- Reassigned Medicare billing, Minnesota enrollment
- 1,460 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 4
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Essentia Health St Mary's Medical Center
Acute Care Hospitals · Duluth, MNEssentia Health Duluth
Acute Care Hospitals · Duluth, MNEssentia Health Sandstone
Critical Access Hospitals · Sandstone, MNEssentia Health Moose Lake
Critical Access Hospitals · Moose Lake, MNCommunity Memorial Hospital
Critical Access Hospitals · Cloquet, MNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55077 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
INVER GROVE HEIGHTS, MN 55077
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 Defor's NPI number?
The NPI number for Gregory Defor is 1265496954. It was assigned to this individual provider in the NPPES registry on April 12, 2006.
Where is Gregory Defor located?
Gregory Defor practices at 5625 Cenex Dr, Inver Grove Heights, MN 55077. The listed phone number is (651) 552-2600.
What is Gregory Defor's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Gregory Defor enrolled in Medicare?
Yes. Gregory Defor 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 Defor's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Defor reassigns Medicare benefits to 3 organizations: Pine Medical Center (Hinckley, MN), Essentia Health Moose Lake (Moose Lake, MN) and The Duluth Clinic Ltd (Cloquet, MN). 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 Defor's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Defor accept?
Health plans from Anthem Blue Cross and Blue Shield, HealthPartners and Sanford Health Plan list Gregory Defor 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 Defor affiliated with any hospitals?
According to CMS data, Gregory Defor is affiliated with Essentia Health St Mary's Medical Center, Essentia Health Duluth, Essentia Health Sandstone, Essentia Health Moose Lake and Community Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Gregory Defor was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Gregory S Defor, MD · NPI 1265496954
Family Medicine physician in Inver Grove Heights, Minnesota. Individual provider, active in the CMS NPPES registry since April 12, 2006.
## Identity
- **NPI:** 1265496954 (Entity type: Individual)
- **Enumerated:** April 12, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 38410 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 5625 CENEX DR, Inver Grove Heights, MN 55077-1724
- **Phone:** (651) 552-2600 · **Fax:** (651) 552-2614
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Pine Medical Center (NPI 1720859531, Hinckley, MN); Essentia Health Moose Lake (NPI 1154959880, Moose Lake, MN); The Duluth Clinic Ltd (NPI 1902563638, Cloquet, MN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Minnesota Medical School, class of 1994
## Record status
- **NPPES last updated:** July 21, 2022
- **Other identifiers:** Medicaid 067718300 (MN)
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Source: [NPI Profile](https://npiprofile.com/npi/1265496954) · Data from the CMS NPPES public registry.