DR. GRETCHEN MARIE IRWIN MD
NPI 1992732903
Family Medicine in Wichita, KS
About Dr. Gretchen Marie Irwin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GRETCHEN MARIE IRWIN MD (NPI 1992732903) is an individual family medicine provider in Wichita, Kansas, licensed in Kansas (0434315) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and is a graduate of University Of Pittsburgh School Of Medicine (2005).
NPPES Registry Identity
Specialties & Licenses
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. Gretchen Marie Irwin 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 Gretchen Irwin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Wichita, KS 67214
- Reassigned Medicare billing, Kansas enrollment
- 130 clinicians in this Medicare group
Wichita, KS 67220
- Reassigned Medicare billing, Kansas enrollment
- 136 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 67214 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.
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 Gretchen Irwin's NPI number?
The NPI number for Gretchen Irwin is 1992732903. It was assigned to this individual provider in the NPPES registry on June 26, 2006.
Where is Gretchen Irwin located?
Gretchen Irwin practices at 1010 N Kansas St, Wichita, KS 67214. The listed phone number is (316) 293-2607.
What is Gretchen Irwin's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Gretchen Irwin enrolled in Medicare?
Yes. Gretchen Irwin 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 Gretchen Irwin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gretchen Irwin reassigns Medicare benefits to 2 organizations: University Of Kansas School Of Medicine Wichita Medical Practice Assoc (Wichita, KS) and Wesley Physicians Medical Specialties LLC (Wichita, KS). 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 Gretchen Irwin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gretchen Irwin accept?
Health plans from Blue Cross and Blue Shield of Kansas, Inc. list Gretchen Irwin 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 Gretchen Irwin was last updated on January 13, 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.
# Dr. Gretchen Marie Irwin, MD · NPI 1992732903
Family Medicine physician in Wichita, Kansas. Individual provider, active in the CMS NPPES registry since June 26, 2006.
## Identity
- **NPI:** 1992732903 (Entity type: Individual)
- **Enumerated:** June 26, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 0434315 (Kansas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1010 N KANSAS ST, Wichita, KS 67214-3124
- **Phone:** (316) 293-2607
## 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 Of Kansas School Of Medicine Wichita Medical Practice Assoc (NPI 1639143712, Wichita, KS); Wesley Physicians Medical Specialties LLC (NPI 1699069732, Wichita, KS) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Pittsburgh School Of Medicine, class of 2005
## Record status
- **NPPES last updated:** January 13, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1992732903) · Data from the CMS NPPES public registry.