MAI KA KOSTUR FNP-BC
NPI 1831904234
Nurse Practitioner in San Antonio, TX
About Mai Ka Kostur Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAI KA KOSTUR FNP-BC (NPI 1831904234) is an individual nurse practitioner in San Antonio, Texas, licensed in Texas (AP1028382) and active in the NPI registry since February 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses 2
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
Mai Ka Kostur Fnp-bc 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 Mai Ka Kostur reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Antonio, TX 78258
- Reassigned Medicare billing, Texas enrollment
- 964 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 78235 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 2
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 Mai Ka Kostur's NPI number?
The NPI number for Mai Ka Kostur is 1831904234. It was assigned to this individual provider in the NPPES registry on February 11, 2025.
Where is Mai Ka Kostur located?
Mai Ka Kostur practices at 3327 Research Plz Ste 414, San Antonio, TX 78235. The listed phone number is (773) 641-8500.
What is Mai Ka Kostur's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Mai Ka Kostur enrolled in Medicare?
Yes. Mai Ka Kostur 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 Mai Ka Kostur's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mai Ka Kostur reassigns Medicare benefits to Bhs Physicians Network, Inc (San Antonio, TX). 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 Mai Ka Kostur's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mai Ka Kostur accept?
Health plans from Blue Cross and Blue Shield of Texas, Community First, Imperial Insurance Companies, Inc., Oscar Insurance Company and UnitedHealthcare list Mai Ka Kostur 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 Mai Ka Kostur was last updated on June 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Mai Ka Kostur, FNP-BC · NPI 1831904234
Nurse Practitioner physician in San Antonio, Texas. Individual provider, active in the CMS NPPES registry since February 11, 2025.
## Identity
- **NPI:** 1831904234 (Entity type: Individual)
- **Enumerated:** February 11, 2025
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** AP1028382 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 3327 RESEARCH PLZ STE 414, San Antonio, TX 78235-5159
- **Phone:** (773) 641-8500
## 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:** Bhs Physicians Network, Inc (NPI 1598958431, San Antonio, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** June 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1831904234) · Data from the CMS NPPES public registry.