Dr. Linzy Ann Fitzsimons, MD
- Medicare services, 2024
- 520
- Medicare patients, 2024
- 340
- MIPS score, 2024
- 80
- Industry payments
- $20
- Affiliated sites
- 2
- Practice address
- 400 Concord Plaza Drive Suite 200, San Antonio, TX 78216
- Practice phone
- Call (210) 253-2660
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Orthopaedic Surgery Center of San Antonio
Surgery Center - Medicare-Certified · San Antonio, Texas
Find Dr. Fitzsimons' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Linzy Ann Fitzsimons is an anesthesiologist in San Antonio, Texas
Dr. Fitzsimons practices at The Orthopaedic Surgery Center of San Antonio in San Antonio, Texas.
Dr. Fitzsimons' NPI, 1861633182, was assigned on March 17, 2009. Dr. Fitzsimons graduated from Lewis Katz School of Medicine in 2008. Dr. Fitzsimons holds Texas license P1862.
- NPI
- 1861633182NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416113295
- NPI enumeration date
- March 17, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (210) 253-2660
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Linzy Ann Fitzsimons practices at The Orthopaedic Surgery Center of San Antonio in San Antonio, Texas
Dr. Fitzsimons' primary practice is The Orthopaedic Surgery Center of San Antonio, at 400 Concord Plaza Drive Suite 200, San Antonio, TX 78216. The practice phone is (210) 253-2660.
- The Orthopaedic Surgery Center of San Antonio400 Concord Plaza Drive Suite 200, San Antonio, TX 78216Phone(210) 253-2660
Source: Dmand AI Affiliation Data
Dr. Linzy Ann Fitzsimons is affiliated with 2 sites of care and 1 medical group
Dr. Fitzsimons' primary practice is The Orthopaedic Surgery Center of San Antonio in San Antonio, Texas. The medical group on file is TSAOG Orthopaedics & Spine. Dmand AI also links Dr. Fitzsimons to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Linzy Ann Fitzsimons' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fitzsimons practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Orthopaedic Surgery Center of San Antonio | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Linzy Ann Fitzsimons is one of 4,073 anesthesiologists in Texas
Anesthesiology is Dr. Fitzsimons' primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Fitzsimons is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Fitzsimons' licenses on file in 4 states: Texas, California, North Carolina and Nevada.
Specialties and state licenses
- Anesthesiology, TexasPrimary
- California license
- North Carolina license
- Nevada license
Anesthesiologists near Dr. Fitzsimons
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Linzy Ann Fitzsimons billed Medicare for 520 services in 2024
CMS data shows 520 Medicare services from Dr. Fitzsimons across 10 procedure codes in 2024, for 340 Medicare patients. Medicare paid $27,286 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Fitzsimons' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 1132024: 264134%
- Surgery
- 2023: 1142024: 22496%
- Imaging
- 2023: 522024: 3238%
Dr. Fitzsimons compared with the Texas median for anesthesiologists, 2024
- Dr. Fitzsimons
- Texas median
- Medicare services
- 520vs 717.3 times
- Medicare patients
- 340vs 1322.6 times
Medians across 3,710 anesthesiologists in Texas with Dmand AI profiles that report each measure.
Dr. Fitzsimons' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fitzsimons and other anesthesiologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Linzy Ann Fitzsimons treated 340 Medicare patients in 2024, average age 73
CMS counts 340 Medicare patients who saw Dr. Fitzsimons in 2024. The largest group is 65 to 74, with 197 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.82, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Fitzsimons' median patient age at 66, with 61% women.
Dr. Fitzsimons' Medicare patients by age, 2024
Dr. Fitzsimons' Medicare patients by sex, 2024
- Women20761%
- Men13339%
Chronic conditions among Dr. Fitzsimons' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis73%
- Diabetes30%
- Ischemic heart disease27%
- Anxiety20%
- Chronic kidney disease19%
- Mood disorders19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fitzsimons' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Linzy Ann Fitzsimons scored 80 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 80 out of 100 for Dr. Fitzsimons for performance year 2024, reported as part of a group. Dr. Fitzsimons accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Fitzsimons' MIPS scores, performance year 2024
- 80of 100Final score
- 65.9of 100Quality
- 94of 100Promoting Interoperability
- 40of 100Improvement Activities
- 72of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Linzy Ann Fitzsimons received $20 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Fitzsimons from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Halyard Health, Inc. paid the most, $20.
Companies that paid Dr. Fitzsimons the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Linzy Ann Fitzsimons graduated from Lewis Katz School of Medicine
Dr. Fitzsimons graduated from Lewis Katz School of Medicine in 2008.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Linzy Ann Fitzsimons accepts plans from 19 insurance carriers
Dr. Fitzsimons is in network with 19 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Aetna. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Aetna
- Elevance
- HCSC
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- +11 more carriersWith a free account
Plan types Dr. Fitzsimons accepts, by number of carriers
- PPO11
- HMO9
- Medicare6
- EPO3
- POS3
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Linzy Ann Fitzsimons's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Linzy Ann Fitzsimons
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Linzy Ann Fitzsimons' NPI number?
Dr. Linzy Ann Fitzsimons' NPI number is 1861633182. It was assigned on March 17, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Linzy Ann Fitzsimons?
Dr. Linzy Ann Fitzsimons is an anesthesiologist in San Antonio, Texas. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Linzy Ann Fitzsimons practice?
Dr. Fitzsimons practices at 400 Concord Plaza Drive Suite 200, San Antonio, TX 78216. Dr. Fitzsimons' primary practice is The Orthopaedic Surgery Center of San Antonio in San Antonio, Texas. Dmand AI also links Dr. Fitzsimons to 1 group practice or clinic.
What is Dr. Linzy Ann Fitzsimons' office phone number?
The practice phone on file for Dr. Fitzsimons is (210) 253-2660.
What is Dr. Linzy Ann Fitzsimons' medical license number?
Dr. Fitzsimons holds Texas license P1862, one of the licenses on file in 4 states.
Which states has Dr. Linzy Ann Fitzsimons been licensed in?
Dmand AI has state licenses on file for Dr. Fitzsimons in Texas (2012 to 2026), California (since 2010), North Carolina (2023 to 2024) and Nevada (2022 to 2023).
What medical group is Dr. Linzy Ann Fitzsimons part of?
Dr. Fitzsimons is linked to TSAOG Orthopaedics & Spine.
Does Dr. Linzy Ann Fitzsimons accept Medicare?
Yes. CMS data shows Dr. Fitzsimons billed Medicare for 520 services in 2024, and Dr. Fitzsimons accepts Medicare assignment.
What is Dr. Linzy Ann Fitzsimons' MIPS score?
Dr. Fitzsimons' MIPS final score for performance year 2024 is 80 out of 100, reported as part of a group.
How many Medicare patients does Dr. Linzy Ann Fitzsimons see?
CMS counts 340 Medicare patients who saw Dr. Fitzsimons in 2024, with an average age of 73.
Show 6 more questionsShow fewer questions
Is Dr. Linzy Ann Fitzsimons board certified?
Yes. Dr. Fitzsimons is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. Linzy Ann Fitzsimons bill to Medicare?
In 2024, Dr. Fitzsimons' most billed Medicare services were surgery: brain, spine and nerves (64415), anesthesia (01810) and anesthesia (01830).
Where did Dr. Linzy Ann Fitzsimons go to medical school?
Dr. Fitzsimons graduated from Lewis Katz School of Medicine in 2008.
Has Dr. Linzy Ann Fitzsimons received payments from drug or device companies?
CMS Open Payments shows $20 in general payments to Dr. Fitzsimons from 1 company from 2019 to 2019. The largest total came from Halyard Health, Inc.
How long has Dr. Linzy Ann Fitzsimons been practicing?
Dr. Fitzsimons graduated from medical school in 2008, 18 years ago.
What insurance does Dr. Linzy Ann Fitzsimons accept?
Dr. Fitzsimons is in network with 19 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Aetna. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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