DR. MARIA THERESE GRABOW M.D.
NPI 1851374037
Anesthesiology in San Antonio, TX
About Dr. Maria Therese Grabow M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARIA THERESE GRABOW M.D. (NPI 1851374037) is an individual anesthesiology provider in San Antonio, Texas, licensed in Texas (L4401) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 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 (PECOS)
Dr. Maria Therese Grabow M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Maria Grabow reassigns Medicare billing to 4 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
- 226 clinicians in this Medicare group
Houston, TX 77042
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: U S Anesthesia Partners Of Texas, PA
- 3,804 clinicians in this Medicare group
Fort Worth, TX 76109
- Reassigned Medicare billing, Texas enrollment
- 1,612 clinicians in this Medicare group
Addison, TX 75001
- Reassigned Medicare billing, Texas enrollment
- 513 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 7
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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 20
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 Maria Grabow's NPI number?
The NPI number for Maria Grabow is 1851374037. It was assigned to this individual provider in the NPPES registry on November 22, 2005. The provider is also known as Dr. Maria Therese Roth M.D..
Where is Maria Grabow located?
Maria Grabow practices at 45 NE Loop 410 Suite 900, San Antonio, TX 78216. The listed phone number is (210) 375-7760.
What is Maria Grabow's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Maria Grabow enrolled in Medicare?
Yes. Maria Grabow is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Maria Grabow's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maria Grabow reassigns Medicare benefits to 4 organizations: Tejas Anesthesia PLLC (San Antonio, TX), U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX), Emergenchealth PLLC (Fort Worth, TX) and Orthomed Staffing LLC (Addison, 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 Maria Grabow's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Maria Grabow accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan and Oscar Insurance Company list Maria Grabow 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 Maria Grabow was last updated on July 13, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.