ARMAND C. GRIMSHAW MD
NPI 1235119405
Obstetrics & Gynecology in Lake Charles, LA
About Armand C. Grimshaw Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ARMAND C. GRIMSHAW MD (NPI 1235119405) is an individual obstetrics & gynecology provider in Lake Charles, Louisiana, licensed in Louisiana (020473) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Lake Charles Memorial Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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 and accepts Medicare assignment
Armand C. Grimshaw Md 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 Armand Grimshaw reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lake Charles, LA 70605
- Reassigned Medicare billing, Louisiana enrollment
- 11 clinicians in this Medicare group
Minden, LA 71055
- Reassigned Medicare billing, Louisiana enrollment
- 83 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.
Lake Charles Memorial Hospital
Acute Care Hospitals · Lake Charles, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70605 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LAKE CHARLES, LA 70605
LAKE CHARLES, LA 70605
LAKE CHARLES, LA 70605
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 Armand Grimshaw's NPI number?
The NPI number for Armand Grimshaw is 1235119405. It was assigned to this individual provider in the NPPES registry on January 21, 2006.
Where is Armand Grimshaw located?
Armand Grimshaw practices at 1890 W Gauthier Rd Ste 135, Lake Charles, LA 70605. The listed phone number is (337) 480-5510.
What is Armand Grimshaw's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Armand Grimshaw enrolled in Medicare?
Yes. Armand Grimshaw 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 Armand Grimshaw's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Armand Grimshaw reassigns Medicare benefits to 2 organizations: Lcms Obstetrics And Gynecology LLC (Lake Charles, LA) and Minden Physician Practices LLC (Minden, LA). 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 Armand Grimshaw's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Armand Grimshaw accept?
Health plans from Blue Cross and Blue Shield of Louisiana and HMO Louisiana list Armand Grimshaw 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 Armand Grimshaw affiliated with any hospitals?
According to CMS data, Armand Grimshaw is affiliated with Lake Charles Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Armand Grimshaw was last updated on November 14, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months 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.
# Armand C. Grimshaw, MD · NPI 1235119405
Obstetrics & Gynecology physician in Lake Charles, Louisiana. Individual provider, active in the CMS NPPES registry since January 21, 2006.
## Identity
- **NPI:** 1235119405 (Entity type: Individual)
- **Enumerated:** January 21, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 020473 (Louisiana)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1890 W GAUTHIER RD STE 135, Lake Charles, LA 70605-7179
- **Phone:** (337) 480-5510 · **Fax:** (337) 480-5511
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Lcms Obstetrics And Gynecology LLC (NPI 1649582065, Lake Charles, LA); Minden Physician Practices LLC (NPI 1265777957, Minden, LA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Louisiana State University School Of Medicine In New Orleans, class of 1989
## Record status
- **NPPES last updated:** November 14, 2024
- **Other identifiers:** Medicaid 1924555 (LA)
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Source: [NPI Profile](https://npiprofile.com/npi/1235119405) · Data from the CMS NPPES public registry.