ALISSA BALLARD DO
NPI 1508359100
Family Medicine in O'fallon, MO
About Alissa Ballard Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALISSA BALLARD DO (NPI 1508359100) is an individual family medicine provider in O'fallon, Missouri, licensed in Missouri (2021017793) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and maintains a secondary practice location in Vineland.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Alissa Ballard 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 Alissa Ballard reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 611 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 10
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Barnes Jewish Hospital
Acute Care Hospitals · Saint Louis, MOMissouri Baptist Medical Center
Acute Care Hospitals · Town And Country, MOBarnes-Jewish St Peters Hospital
Acute Care Hospitals · Saint Peters, MOSsm St Joseph Hospital West
Acute Care Hospitals · Lake Saint Louis, MOProgress West Hospital
Acute Care Hospitals · O Fallon, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63368 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Ballard's NPI number?
The NPI number for Alissa Ballard is 1508359100. It was assigned to this individual provider in the NPPES registry on June 8, 2018.
Where is Alissa Ballard located?
Alissa Ballard practices at 2630 State Highway K Ste 100, O'fallon, MO 63368. The listed phone number is (636) 240-5454.
What is Alissa Ballard's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Alissa Ballard enrolled in Medicare?
Yes. Alissa Ballard 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 Alissa Ballard's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alissa Ballard reassigns Medicare benefits to Physician Groups Lc (Saint Louis, MO). 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 Alissa Ballard's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alissa Ballard accept?
Health plans from UnitedHealthcare list Alissa Ballard 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 Ballard affiliated with any hospitals?
According to CMS data, Alissa Ballard is affiliated with Barnes Jewish Hospital, Missouri Baptist Medical Center, Barnes-Jewish St Peters Hospital, Ssm St Joseph Hospital West and Progress West Hospital.
When was this NPI record last updated?
The NPPES record for Alissa Ballard was last updated on July 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 Ballard, DO · NPI 1508359100
Family Medicine physician in O'fallon, Missouri. Individual provider, active in the CMS NPPES registry since June 8, 2018.
## Identity
- **NPI:** 1508359100 (Entity type: Individual)
- **Enumerated:** June 8, 2018
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 2021017793 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 2630 STATE HIGHWAY K, STE 100, O'fallon, MO 63368
- **Phone:** (636) 240-5454
## 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:** Physician Groups Lc (NPI 1285664268, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** July 20, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1508359100) · Data from the CMS NPPES public registry.