MR. GREGORY GEORGE KRONENBERG CRNA
NPI 1609885961
Nurse Anesthetist, Certified Registered in Oskaloosa, IA
About Mr. Gregory George Kronenberg Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. GREGORY GEORGE KRONENBERG CRNA (NPI 1609885961) is an individual nurse anesthetist, certified registered in Oskaloosa, Iowa, licensed in Iowa (D145432) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Mahaska Health Partnership, and is a graduate of Other (1997).
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
Mr. Gregory George Kronenberg 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 Reassignment
Medicare enrollment records show Gregory Kronenberg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oskaloosa, IA 52577
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1407869852 (Iowa)
- 111 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mahaska Health Partnership
Critical Access Hospitals · Oskaloosa, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 52577 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.
OSKALOOSA, IA 52577
OSKALOOSA, IA 52577
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 Kronenberg's NPI number?
The NPI number for Gregory Kronenberg is 1609885961. It was assigned to this individual provider in the NPPES registry on August 5, 2006.
Where is Gregory Kronenberg located?
Gregory Kronenberg practices at 1229 C Ave E, Oskaloosa, IA 52577. The listed phone number is (641) 672-3388.
What is Gregory Kronenberg's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Gregory Kronenberg enrolled in Medicare?
Yes. Gregory Kronenberg 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 Gregory Kronenberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Kronenberg reassigns Medicare benefits to Mahaska County Hospital (Oskaloosa, IA). 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 Gregory Kronenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Kronenberg accept?
Health plans from Medica and Wellmark Health Plan of Iowa, Inc. list Gregory Kronenberg 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 Kronenberg affiliated with any hospitals?
According to CMS data, Gregory Kronenberg is affiliated with Mahaska Health Partnership.
When was this NPI record last updated?
The NPPES record for Gregory Kronenberg was last updated on July 1, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Mr. Gregory George Kronenberg, CRNA · NPI 1609885961
Nurse Anesthetist, Certified Registered physician in Oskaloosa, Iowa. Individual provider, active in the CMS NPPES registry since August 5, 2006.
## Identity
- **NPI:** 1609885961 (Entity type: Individual)
- **Enumerated:** August 5, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** D145432 (Iowa)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1229 C AVE E, Oskaloosa, IA 52577
- **Phone:** (641) 672-3388
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** Mahaska County Hospital (NPI 1356320659, Oskaloosa, IA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** July 1, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1609885961) · Data from the CMS NPPES public registry.