JENNIFER LYNNE COOK CRNA
NPI 1659877066
Anesthesiology in Ottumwa, IA
About Jennifer Lynne Cook Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JENNIFER LYNNE COOK CRNA (NPI 1659877066) is an individual anesthesiology provider in Ottumwa, Iowa, licensed in Iowa (114076) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, is affiliated with Grinnell Regional Medical Center, and is a graduate of Other (2018).
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
Jennifer Lynne Cook 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
2Medicare enrollment records show Jennifer Cook reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lynnville, IA 50153
- Reassigned Medicare billing, Iowa enrollment
- 177 clinicians in this Medicare group
Williamsburg, IA 52361
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1053368191 (Iowa)
- 75 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.
Grinnell Regional Medical Center
Acute Care Hospitals · Grinnell, IAMedicare 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.
OTTUMWA, IA 52501
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 Jennifer Cook's NPI number?
The NPI number for Jennifer Cook is 1659877066. It was assigned to this individual provider in the NPPES registry on April 4, 2018.
Where is Jennifer Cook located?
Jennifer Cook practices at 1001 Pennsylvania Ave, Ottumwa, IA 52501. The listed phone number is (641) 684-2300.
What is Jennifer Cook's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Jennifer Cook enrolled in Medicare?
Yes. Jennifer Cook 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 Jennifer Cook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Cook reassigns Medicare benefits to 2 organizations: Grinnell Regional Medical Center (Lynnville, IA) and Marengo Memorial Hospital (Williamsburg, IA). 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 Jennifer Cook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jennifer Cook accept?
Health plans from Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Jennifer Cook 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 Jennifer Cook affiliated with any hospitals?
According to CMS data, Jennifer Cook is affiliated with Grinnell Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Jennifer Cook was last updated on April 4, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Jennifer Lynne Cook, CRNA · NPI 1659877066
Anesthesiology physician in Ottumwa, Iowa. Individual provider, active in the CMS NPPES registry since April 4, 2018.
## Identity
- **NPI:** 1659877066 (Entity type: Individual)
- **Enumerated:** April 4, 2018
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 114076 (Iowa)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1001 PENNSYLVANIA AVE, Ottumwa, IA 52501-6427
- **Phone:** (641) 684-2300
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Grinnell Regional Medical Center (NPI 1548336084, Lynnville, IA); Marengo Memorial Hospital (NPI 1548681216, Williamsburg, IA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** April 4, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1659877066) · Data from the CMS NPPES public registry.