DR. PHILIPPE MARTEN GAUTHIER MD
NPI 1225021520
Internal Medicine - Nephrology in Aurora, CO
About Dr. Philippe Marten Gauthier Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PHILIPPE MARTEN GAUTHIER MD (NPI 1225021520) is an individual nephrology provider in Aurora, Colorado, licensed in Colorado (42844) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Denver, and is a graduate of Tulane University School Of Medicine (1994).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Dr. Philippe Marten Gauthier 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
2Medicare enrollment records show Philippe Gauthier reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Aurora, CO 80045
- Reassigned Medicare billing, Colorado enrollment
- 4,283 clinicians in this Medicare group
Bismarck, ND 58501
- Reassigned Medicare billing, North Dakota enrollment
- 616 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
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 80045 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.
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.
AURORA, CO 80045
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 Philippe Gauthier's NPI number?
The NPI number for Philippe Gauthier is 1225021520. It was assigned to this individual provider in the NPPES registry on August 23, 2005.
Where is Philippe Gauthier located?
Philippe Gauthier practices at 1635 Aurora Ct, Aurora, CO 80045. The listed phone number is (720) 848-2237.
What is Philippe Gauthier's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Philippe Gauthier enrolled in Medicare?
Yes. Philippe Gauthier 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 Philippe Gauthier's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Philippe Gauthier reassigns Medicare benefits to 2 organizations: University Physicians Incorporated (Aurora, CO) and St. Alexius Medical Center (Bismarck, ND). 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 Philippe Gauthier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Philippe Gauthier accept?
Health plans from Blue Cross Blue Shield of North Dakota and Select Health list Philippe Gauthier 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 Philippe Gauthier was last updated on January 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Philippe Marten Gauthier, MD · NPI 1225021520
Nephrology physician in Aurora, Colorado. Individual provider, active in the CMS NPPES registry since August 23, 2005.
## Identity
- **NPI:** 1225021520 (Entity type: Individual)
- **Enumerated:** August 23, 2005
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** 42844 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 1635 AURORA CT, Aurora, CO 80045-2541
- **Phone:** (720) 848-2237
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): University Physicians Incorporated (NPI 1962461889, Aurora, CO); St. Alexius Medical Center (NPI 1629121074, Bismarck, ND) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tulane University School Of Medicine, class of 1994
## Record status
- **NPPES last updated:** January 6, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1225021520) · Data from the CMS NPPES public registry.