ALEXA LIANE ARMSTRONG DO
NPI 1932761053
Obstetrics & Gynecology in Grand Rapids, MI
About Alexa Liane Armstrong Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXA LIANE ARMSTRONG DO (NPI 1932761053) is an individual obstetrics & gynecology provider in Grand Rapids, Michigan, licensed in Michigan (5151014040) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
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
Alexa Liane Armstrong Do 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 Alexa Armstrong reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lancaster, CA 93534
- Reassigned Medicare billing, California enrollment
- 13,921 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49503 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GRAND RAPIDS, MI 49503
GRAND RAPIDS, MI 49503
GRAND RAPIDS, MI 49503
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 Alexa Armstrong's NPI number?
The NPI number for Alexa Armstrong is 1932761053. It was assigned to this individual provider in the NPPES registry on June 29, 2019.
Where is Alexa Armstrong located?
Alexa Armstrong practices at 330 Barclay Ave NE Ste 304, Grand Rapids, MI 49503. The listed phone number is (616) 391-2160.
What is Alexa Armstrong's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Alexa Armstrong enrolled in Medicare?
Yes. Alexa Armstrong 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 Alexa Armstrong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexa Armstrong reassigns Medicare benefits to Southern California Permanente Medical Group (Lancaster, CA). 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 Alexa Armstrong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Alexa Armstrong was last updated on October 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Alexa Liane Armstrong, DO · NPI 1932761053
Obstetrics & Gynecology physician in Grand Rapids, Michigan. Individual provider, active in the CMS NPPES registry since June 29, 2019.
## Identity
- **NPI:** 1932761053 (Entity type: Individual)
- **Enumerated:** June 29, 2019
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 5151014040 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 330 BARCLAY AVE NE STE 304, Grand Rapids, MI 49503-2527
- **Phone:** (616) 391-2160
## 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:** Southern California Permanente Medical Group (NPI 1982863783, Lancaster, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** October 27, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1932761053) · Data from the CMS NPPES public registry.