MARY LYNN LAMAR CRNA, MSN
NPI 1134326952
Nurse Anesthetist, Certified Registered in Nevada, IA

Active since June 27, 2007PECOS Enrolled
640 S 19TH ST, NEVADA, IA 50201(515) 382-2111(515) 382-7766 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 21, 2022, Mar 17, 2018, Jun 19, 2017 (3 updates tracked since 2017).

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

NPI1134326952
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameMARY LYNN LAMARCredential: CRNA, MSN
Location Address640 S 19TH STNevada, IA 50201-2902
Mailing Address640 S 19th StNevada, IA 50201-2902 · (515) 382-2111 · Fax (515) 382-7766
Fax(515) 382-7766
Sole ProprietorNo
Enumeration DateJune 27, 2007
Last NPPES UpdateJuly 21, 20223 updates tracked since enumeration
✔ NPI 1134326952 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in IA · D099081
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
640 S 19TH ST, Nevada, IA 50201

Secondary Practice Location 1

Location 1700 E University AveDes Moines, IA 50316-2302 · Phone (515) 263-5628 · Fax (515) 263-5337

Other Identifiers 1

Other54599IA · Wellmark Bcbs

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).

Eligible to Order & Refer✔ Part B Labs & Imaging– Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

5

Medicare 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.

End-Stage Renal Disease (ESRD) Treatment
1610 COLLINS ST, SUITE D
Webster City, IA 50595
  • Reassigned Medicare billing, Iowa enrollment
  • 387 clinicians in this Medicare group
Anesthesiology
404 JEFFERSON ST
Pella, IA 50219
  • Reassigned Medicare billing, Iowa enrollment
  • 23 clinicians in this Medicare group
Emergency Medicine
1000 15TH ST N
Humboldt, IA 50548
  • Reassigned Medicare billing, Iowa enrollment
  • Also billed through NPI 1194702977 (Iowa)
  • 42 clinicians in this Medicare group
Critical Access
1213 GARFIELD AVE
Harlan, IA 51537
  • Reassigned Medicare billing, Iowa enrollment
  • Also billed through NPI 1831717552 (Iowa)
  • 70 clinicians in this Medicare group
Emergency Medical Services
709 W MAIN ST
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.

Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
34 services34 patients

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.

New Patient
$122.23 typical visit price
range $52.96 – $161.40
Typical copayment $30.55 (range $13.24 – $40.35)
Most-billed visit code 99204
Established Patient
$66.36 typical visit price
range $16.91 – $131.98
Typical copayment $16.59 (range $4.22 – $32.99)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Family Medicine
640 S 19TH ST
NEVADA, IA 50201
Physical Therapist
640 S 19TH ST
NEVADA, IA 50201
Emergency Medicine
640 S 19TH ST
NEVADA, IA 50201
Nurse Practitioner (Psychiatric/Mental Health)
640 S 19TH ST
NEVADA, IA 50201
General Acute Care Hospital (Critical Access)
640 S 19TH ST
NEVADA, IA 50201
Occupational Therapist
640 S 19TH ST
NEVADA, IA 50201
Physical Therapist
640 S 19TH ST
NEVADA, IA 50201
Preventive Medicine (Occupational Medicine)
640 S 19TH ST
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.