STEPHEN ANTWI M.D.
NPI 1922038223
Emergency Medicine in League City, TX
About Stephen Antwi M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN ANTWI M.D. (NPI 1922038223) is an individual emergency medicine provider in League City, Texas, licensed in Texas (L6264) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Huntsville Memorial Hospital, and is a graduate of University Of Texas Medical Branch At Galveston (1999).
NPPES Registry Identity
Specialties & Licenses 3
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
Stephen Antwi M.d. 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
9Medicare enrollment records show Stephen Antwi reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Galveston, TX 77555
- Reassigned Medicare billing, Texas enrollment
- 2,222 clinicians in this Medicare group
Houston, TX 77027
- Reassigned Medicare billing, Texas enrollment
- 82 clinicians in this Medicare group
Houston, TX 77024
- Reassigned Medicare billing, Texas enrollment
- 408 clinicians in this Medicare group
Lumberton, TX 77657
- Reassigned Medicare billing, Texas enrollment
- 113 clinicians in this Medicare group
Orange, TX 77630
- Reassigned Medicare billing, Texas enrollment
- 115 clinicians in this Medicare group
Austin, TX 78750
- Reassigned Medicare billing, Texas enrollment
- 93 clinicians in this Medicare group
Allen, TX 75013
- Reassigned Medicare billing, Texas enrollment
- 128 clinicians in this Medicare group
Gainesville, TX 76240
- Reassigned Medicare billing, Texas enrollment
- 1,193 clinicians in this Medicare group
Lubbock, TX 79401
- Reassigned Medicare billing, Texas enrollment
- 1,439 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 4
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Huntsville Memorial Hospital
Acute Care Hospitals · Huntsville, TXAltus Baytown Hospital
Acute Care Hospitals · Baytown, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77573 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 Stephen Antwi's NPI number?
The NPI number for Stephen Antwi is 1922038223. It was assigned to this individual provider in the NPPES registry on July 3, 2006.
Where is Stephen Antwi located?
Stephen Antwi practices at 2925 Gulf Fwy S Ste B-348, League City, TX 77573. The listed phone number is (409) 771-1357.
What is Stephen Antwi's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Stephen Antwi enrolled in Medicare?
Yes. Stephen Antwi 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 Stephen Antwi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Antwi reassigns Medicare benefits to 9 organizations: Utmb Faculty Group Practice (Galveston, TX), Tk Emergency Physicians Group PLLC (Houston, TX), Memorial Hermann Hospital Based Physician Group (Houston, TX), Texas ER Group PLLC (Lumberton, TX), Altus Exceptional Physician Group PLLC (Orange, TX) and 4 more organizations, listed in the Medicare section above. 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 Stephen Antwi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Antwi accept?
Health plans from Blue Cross and Blue Shield of Texas list Stephen Antwi 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 Stephen Antwi affiliated with any hospitals?
According to CMS data, Stephen Antwi is affiliated with Huntsville Memorial Hospital and Altus Baytown Hospital.
When was this NPI record last updated?
The NPPES record for Stephen Antwi was last updated on April 15, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Stephen Antwi, M.D. · NPI 1922038223
Emergency Medicine physician in League City, Texas. Individual provider, active in the CMS NPPES registry since July 3, 2006.
## Identity
- **NPI:** 1922038223 (Entity type: Individual)
- **Enumerated:** July 3, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** L6264 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 2925 GULF FWY S STE B-348, League City, TX 77573-6768
- **Phone:** (409) 771-1357
## 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:** 9 organizations under Medicare reassignment (form CMS-855R): Utmb Faculty Group Practice (NPI 1942241146, Galveston, TX); Tk Emergency Physicians Group PLLC (NPI 1942728019, Houston, TX); Memorial Hermann Hospital Based Physician Group (NPI 1295363497, Houston, TX); Texas ER Group PLLC (NPI 1235829359, Lumberton, TX); Altus Exceptional Physician Group PLLC (NPI 1730869207, Orange, TX); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical Branch At Galveston, class of 1999
## Record status
- **NPPES last updated:** April 15, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1922038223) · Data from the CMS NPPES public registry.