DR. JAMES P MANTZARIS DO
NPI 1285893594
Family Medicine in Cottage Grove, MN
About Dr. James P Mantzaris Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES P MANTZARIS DO (NPI 1285893594) is an individual family medicine provider in Cottage Grove, Minnesota, licensed in Minnesota (53813) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with Allina United Hospital, and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses 2
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. James P Mantzaris Do 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 James Mantzaris reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cottage Grove, MN 55016
- Reassigned Medicare billing, Minnesota enrollment
- 2,609 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 16
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Allina United Hospital
Acute Care Hospitals · Saint Paul, MNAbbott Northwestern Hospital
Acute Care Hospitals · Minneapolis, MNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55016 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.
COTTAGE GROVE, MN 55016
COTTAGE GROVE, MN 55016
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 James Mantzaris's NPI number?
The NPI number for James Mantzaris is 1285893594. It was assigned to this individual provider in the NPPES registry on June 3, 2008.
Where is James Mantzaris located?
James Mantzaris practices at 8611 W Point Douglas Rd S, Cottage Grove, MN 55016. The listed phone number is (651) 458-1884.
What is James Mantzaris's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is James Mantzaris enrolled in Medicare?
Yes. James Mantzaris 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 James Mantzaris's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Mantzaris reassigns Medicare benefits to Allina Health System (Cottage Grove, MN). 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 James Mantzaris's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Mantzaris accept?
Health plans from HealthPartners list James Mantzaris 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 James Mantzaris affiliated with any hospitals?
According to CMS data, James Mantzaris is affiliated with Allina United Hospital and Abbott Northwestern Hospital.
When was this NPI record last updated?
The NPPES record for James Mantzaris was last updated on March 11, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.