DR. LINZY ANN FITZSIMONS M.D.
NPI 1861633182
Anesthesiology in San Antonio, TX
About Dr. Linzy Ann Fitzsimons M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LINZY ANN FITZSIMONS M.D. (NPI 1861633182) is an individual anesthesiology provider in San Antonio, Texas, licensed in Texas (P1862) and active in the NPI registry since March 2009. She is enrolled in Medicare PECOS and is a graduate of Temple University School Of Medicine (2008).
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
Dr. Linzy Ann Fitzsimons 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 Reassignment
Medicare enrollment records show Linzy Fitzsimons reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Antonio, TX 78216
- Reassigned Medicare billing, Texas enrollment
- 163 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 10
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.
SAN ANTONIO, TX 78229
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 Linzy Fitzsimons's NPI number?
The NPI number for Linzy Fitzsimons is 1861633182. It was assigned to this individual provider in the NPPES registry on March 17, 2009. The provider is also known as Linzy Ann Doherty M.D..
Where is Linzy Fitzsimons located?
Linzy Fitzsimons practices at 4242 Medical Dr Suite 3100, San Antonio, TX 78229. The listed phone number is (210) 615-1187.
What is Linzy Fitzsimons's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Linzy Fitzsimons enrolled in Medicare?
Yes. Linzy Fitzsimons 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 Linzy Fitzsimons's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Linzy Fitzsimons reassigns Medicare benefits to The San Antonio Orthopaedic Group, LLP (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 Linzy Fitzsimons's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Linzy Fitzsimons accept?
Health plans from Blue Cross and Blue Shield of Texas and Oscar Insurance Company list Linzy Fitzsimons 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 Linzy Fitzsimons was last updated on July 3, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.