DR. ABIGAIL THERESA GRANT MD
NPI 1427790823
Family Medicine in Saint Louis, MO
About Dr. Abigail Theresa Grant Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ABIGAIL THERESA GRANT MD (NPI 1427790823) is an individual family medicine provider in Saint Louis, Missouri, licensed in Missouri (2025035234) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2022).
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
Dr. Abigail Theresa Grant 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 Reassignment
Medicare enrollment records show Abigail Grant reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63118
- Reassigned Medicare billing, Missouri enrollment
- 85 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 63118 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63118
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 Abigail Grant's NPI number?
The NPI number for Abigail Grant is 1427790823. It was assigned to this individual provider in the NPPES registry on April 7, 2022.
Where is Abigail Grant located?
Abigail Grant practices at 3930 S Broadway, Saint Louis, MO 63118. The listed phone number is (314) 814-8700.
What is Abigail Grant's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Abigail Grant enrolled in Medicare?
Yes. Abigail Grant 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 Abigail Grant's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Abigail Grant reassigns Medicare benefits to Affinia Healthcare (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 Abigail Grant's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Abigail Grant 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 4 other insurers list Abigail Grant 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 Abigail Grant was last updated on May 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Abigail Theresa Grant, MD · NPI 1427790823
Family Medicine physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since April 7, 2022.
## Identity
- **NPI:** 1427790823 (Entity type: Individual)
- **Enumerated:** April 7, 2022
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 2025035234 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 3930 S BROADWAY, Saint Louis, MO 63118-4626
- **Phone:** (314) 814-8700
## 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:** Affinia Healthcare (NPI 1013925890, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** May 31, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1427790823) · Data from the CMS NPPES public registry.