AMBER NICOLE MACWILLIAM DO
NPI 1073141347
Obstetrics & Gynecology in New Braunfels, TX
About Amber Nicole Macwilliam Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMBER NICOLE MACWILLIAM DO (NPI 1073141347) is an individual obstetrics & gynecology provider in New Braunfels, Texas, licensed in Texas (V2152) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, is affiliated with Christus Santa Rosa Hospital-san Marcos, and is a graduate of Edward Via Col Of Osteo Medicine-carolinas Campus (2020).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Amber Nicole Macwilliam 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 Reassignments
2Medicare enrollment records show Amber Macwilliam reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Antonio, TX 78258
- Reassigned Medicare billing, Texas enrollment
- 964 clinicians in this Medicare group
Austin, TX 78758
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Obhg Texas Holdings PA
- 998 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Christus Santa Rosa Hospital-San Marcos
Acute Care Hospitals · San Marcos, TXResolute Health Hospital
Acute Care Hospitals · New Braunfels, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78130 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW BRAUNFELS, TX 78130
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 Amber Macwilliam's NPI number?
The NPI number for Amber Macwilliam is 1073141347. It was assigned to this individual provider in the NPPES registry on March 31, 2020. The provider is also known as Amber Nicole Macwilliam Do.
Where is Amber Macwilliam located?
Amber Macwilliam practices at 545 Creekside Xing Ste 230, New Braunfels, TX 78130. The listed phone number is (830) 302-4404.
What is Amber Macwilliam's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Amber Macwilliam enrolled in Medicare?
Yes. Amber Macwilliam 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 Amber Macwilliam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amber Macwilliam reassigns Medicare benefits to 2 organizations: Bhs Physicians Network, Inc (San Antonio, TX) and Obhg Texas Holdings, P.A. (Austin, TX). 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 Amber Macwilliam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Amber Macwilliam accept?
Health plans from Antidote Health of TX, Blue Cross and Blue Shield of Texas, Community First, Harbor Health and Imperial Insurance Companies, Inc. and 3 other insurers list Amber Macwilliam 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 Amber Macwilliam affiliated with any hospitals?
According to CMS data, Amber Macwilliam is affiliated with Christus Santa Rosa Hospital-San Marcos and Resolute Health Hospital.
When was this NPI record last updated?
The NPPES record for Amber Macwilliam was last updated on July 3, 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.
# Amber Nicole Macwilliam, DO · NPI 1073141347
Obstetrics & Gynecology physician in New Braunfels, Texas. Individual provider, active in the CMS NPPES registry since March 31, 2020.
## Identity
- **NPI:** 1073141347 (Entity type: Individual)
- **Enumerated:** March 31, 2020
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** V2152 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 545 CREEKSIDE XING STE 230, New Braunfels, TX 78130-7532
- **Phone:** (830) 302-4404 · **Fax:** (830) 302-4407
## 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): Bhs Physicians Network, Inc (NPI 1598958431, San Antonio, TX); Obhg Texas Holdings, P.A. (NPI 1083917769, Austin, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Edward Via Col Of Osteo Medicine-Carolinas Campus, class of 2020
## Record status
- **NPPES last updated:** July 3, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1073141347) · Data from the CMS NPPES public registry.