KATHRYN E GUILLEN CRNA
NPI 1902197205
Nurse Anesthetist, Certified Registered in Ann Arbor, MI
About Kathryn E Guillen Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHRYN E GUILLEN CRNA (NPI 1902197205) is an individual nurse anesthetist, certified registered in Ann Arbor, Michigan, licensed in Michigan (4704252861) and active in the NPI registry since April 2011. She is enrolled in Medicare PECOS, is affiliated with Perry County Memorial Hospital, and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Kathryn E Guillen Crna 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
10Medicare enrollment records show Kathryn Guillen reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Elkhart, IN 46514
- Reassigned Medicare billing, Indiana enrollment
- 104 clinicians in this Medicare group
Logan, OH 43138
- Reassigned Medicare billing, Indiana enrollment
- 14 clinicians in this Medicare group
Louisville, KY 40222
- Reassigned Medicare billing, Kentucky enrollment
- 45 clinicians in this Medicare group
Lexington, KY 40505
- Reassigned Medicare billing, Kentucky enrollment
- 60 clinicians in this Medicare group
Louisville, KY 40207
- Reassigned Medicare billing, Kentucky enrollment
- 125 clinicians in this Medicare group
Lexington, KY 40509
- Reassigned Medicare billing, Kentucky enrollment
- 462 clinicians in this Medicare group
Owensboro, KY 42303
- Reassigned Medicare billing, Kentucky enrollment
- 137 clinicians in this Medicare group
Central City, KY 42330
- Reassigned Medicare billing, Kentucky enrollment
- 11 clinicians in this Medicare group
Madisonville, KY 42431
- Reassigned Medicare billing, Kentucky enrollment
- 34 clinicians in this Medicare group
Bradenton, FL 34208
- Reassigned Medicare billing, Indiana and Kentucky enrollments
- 157 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Perry County Memorial Hospital
Critical Access Hospitals · Tell City, INOwensboro Health Regional Hospital
Acute Care Hospitals · Owensboro, KYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48109 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.
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
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 Kathryn Guillen's NPI number?
The NPI number for Kathryn Guillen is 1902197205. It was assigned to this individual provider in the NPPES registry on April 21, 2011. The provider is also known as Kathryn Trombley.
Where is Kathryn Guillen located?
Kathryn Guillen practices at 1500 E Medical Center Dr 1h247 University Hospital, Ann Arbor, MI 48109. The listed phone number is (734) 936-4280.
What is Kathryn Guillen's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Kathryn Guillen enrolled in Medicare?
Yes. Kathryn Guillen 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 Kathryn Guillen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathryn Guillen reassigns Medicare benefits to 10 organizations: Sda Consultants PLLC (Elkhart, IN), South Central Ohio Anesthesia LLC (Logan, OH), Radius Anesthesia Of Kentucky, PLLC (Louisville, KY), Environ Anesthesia, LLC. (Lexington, KY), Northstar Anesthesia Of Kentucky, PLLC (Louisville, KY) and 5 more organizations, listed in the Medicare section above. 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 Kathryn Guillen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kathryn Guillen accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter of Tennessee and CareSource list Kathryn Guillen 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 Kathryn Guillen affiliated with any hospitals?
According to CMS data, Kathryn Guillen is affiliated with Perry County Memorial Hospital and Owensboro Health Regional Hospital.
When was this NPI record last updated?
The NPPES record for Kathryn Guillen was last updated on February 18, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Kathryn E Guillen, CRNA · NPI 1902197205
Nurse Anesthetist, Certified Registered physician in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since April 21, 2011.
## Identity
- **NPI:** 1902197205 (Entity type: Individual)
- **Enumerated:** April 21, 2011
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 4704252861 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 E MEDICAL CENTER DR, 1H247 UNIVERSITY HOSPITAL, Ann Arbor, MI 48109-5048
- **Phone:** (734) 936-4280
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 10 organizations under Medicare reassignment (form CMS-855R): Sda Consultants PLLC (NPI 1336605500, Elkhart, IN); South Central Ohio Anesthesia LLC (NPI 1700100419, Logan, OH); Radius Anesthesia Of Kentucky, PLLC (NPI 1679020689, Louisville, KY); Environ Anesthesia, LLC. (NPI 1831438092, Lexington, KY); Northstar Anesthesia Of Kentucky, PLLC (NPI 1386938900, Louisville, KY); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** February 18, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1902197205) · Data from the CMS NPPES public registry.