ALISSA NADIA GALAS MD
NPI 1295408383
Family Medicine in Washington, MO
About Alissa Nadia Galas Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALISSA NADIA GALAS MD (NPI 1295408383) is an individual family medicine provider in Washington, Missouri, licensed in Missouri (2024025990) and active in the NPI registry since July 2021. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Other (2021).
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
Alissa Nadia Galas 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 Alissa Galas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, MO 63090
- Reassigned Medicare billing, Missouri enrollment
- 261 clinicians in this Medicare group
Wildwood, MO 63040
- Reassigned Medicare billing, Missouri enrollment
- 228 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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital St Louis
Acute Care Hospitals · Saint Louis, MOMercy Hospital Washington
Acute Care Hospitals · Washington, MOMercy Hospital South
Acute Care Hospitals · Saint Louis, MOHermann Area District Hospital
Critical Access Hospitals · Hermann, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63090 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Alissa Galas's NPI number?
The NPI number for Alissa Galas is 1295408383. It was assigned to this individual provider in the NPPES registry on July 26, 2021.
Where is Alissa Galas located?
Alissa Galas practices at 901 Patients First Dr Ste 2100 & 2200, Washington, MO 63090. The listed phone number is (636) 239-7500.
What is Alissa Galas's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Alissa Galas enrolled in Medicare?
Yes. Alissa Galas 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 Alissa Galas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alissa Galas reassigns Medicare benefits to 2 organizations: Mercy Clinic Adult Hospitalists - Washington, LLC (Washington, MO) and Mercy Clinic East Communities (Wildwood, MO). 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 Alissa Galas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alissa Galas accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 3 other insurers list Alissa Galas 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 Alissa Galas affiliated with any hospitals?
According to CMS data, Alissa Galas is affiliated with Mercy Hospital St Louis, Mercy Hospital Washington, Mercy Hospital South and Hermann Area District Hospital.
When was this NPI record last updated?
The NPPES record for Alissa Galas was last updated on August 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Alissa Nadia Galas, MD · NPI 1295408383
Family Medicine physician in Washington, Missouri. Individual provider, active in the CMS NPPES registry since July 26, 2021.
## Identity
- **NPI:** 1295408383 (Entity type: Individual)
- **Enumerated:** July 26, 2021
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 2024025990 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 901 PATIENTS FIRST DR STE 2100 & 2200, Washington, MO 63090-4700
- **Phone:** (636) 239-7500
## 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): Mercy Clinic Adult Hospitalists - Washington, LLC (NPI 1891943429, Washington, MO); Mercy Clinic East Communities (NPI 1164857397, Wildwood, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** August 19, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1295408383) · Data from the CMS NPPES public registry.