MARY LYNN LAMAR CRNA, MSN
NPI 1134326952
Nurse Anesthetist, Certified Registered in Nevada, IA
About Mary Lynn Lamar Crna, Msn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY LYNN LAMAR CRNA, MSN (NPI 1134326952) is an individual nurse anesthetist, certified registered in Nevada, Iowa, licensed in Iowa (D099081) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS and maintains a secondary practice location in Des Moines.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 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 (PECOS)
Mary Lynn Lamar Crna, Msn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Mary Lamar reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Webster City, IA 50595
- Reassigned Medicare billing, Iowa enrollment
- 387 clinicians in this Medicare group
Pella, IA 50219
- Reassigned Medicare billing, Iowa enrollment
- 23 clinicians in this Medicare group
Humboldt, IA 50548
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1194702977 (Iowa)
- 42 clinicians in this Medicare group
Harlan, IA 51537
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1831717552 (Iowa)
- 70 clinicians in this Medicare group
Manchester, IA 52057
- Reassigned Medicare billing, Iowa enrollment
- 169 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 50201 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 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEVADA, IA 50201
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 Mary Lamar's NPI number?
The NPI number for Mary Lamar is 1134326952. It was assigned to this individual provider in the NPPES registry on June 27, 2007.
Where is Mary Lamar located?
Mary Lamar practices at 640 S 19th St, Nevada, IA 50201. The listed phone number is (515) 382-2111.
What is Mary Lamar's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Mary Lamar enrolled in Medicare?
Yes. Mary Lamar is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mary Lamar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Lamar reassigns Medicare benefits to 5 organizations: Trinity Regional Medical Center (Webster City, IA), Anesthesia Iowa Plc (Pella, IA), Humboldt County Memorial Hospital (Humboldt, IA), Shelby County Chris A Myrtue Memorial Hospital (Harlan, IA) and Delaware County Memorial Hospital (Manchester, 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 Mary Lamar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Lamar accept?
Health plans from Wellmark Health Plan of Iowa, Inc. list Mary Lamar 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 Mary Lamar was last updated on July 21, 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.