Dr. Leigh Ann Pierson, MD
- Medicare services, 2024
- 44
- Medicare patients, 2024
- 74
- MIPS score, 2024
- 90
- Affiliated sites
- 1
- Medical groups
- 2
- Practice address
- 8655 S Eastern Ave, Las Vegas, NV 89123
- Practice phone
- Call (702) 877-8660
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southwest Medical Associates - Tenaya
Las Vegas, Nevada
Find Dr. Pierson's professional email, personal email and mobile number
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Dr. Leigh Ann Pierson is an anesthesiologist in Las Vegas, Nevada
Dr. Pierson practices at Southwest Medical Associates - Tenaya in Las Vegas, Nevada.
Dr. Pierson's NPI, 1487637682, was assigned on November 22, 2005. Dr. Pierson graduated from University of Mississippi School of Medicine in 1992. Dr. Pierson holds Nevada license 7769.
- NPI
- 1487637682NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183624471
- NPI enumeration date
- November 22, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (702) 877-8660
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leigh Ann Pierson practices at Southwest Medical Associates - Tenaya in Las Vegas, Nevada
Dr. Pierson's primary practice is Southwest Medical Associates - Tenaya, at 8655 S Eastern Ave, Las Vegas, NV 89123 in Clark County. The practice phone is (702) 877-8660.
- Southwest Medical Associates - Tenaya8655 S Eastern Ave, Las Vegas, NV 89123 · Clark CountyPhone(702) 877-8660
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Leigh Ann Pierson is affiliated with 2 sites of care and 2 medical groups
Dr. Pierson's primary practice is Southwest Medical Associates - Tenaya in Las Vegas, Nevada. The medical group on file is Urology Specialists of Nevada. Dmand AI also links Dr. Pierson to 1 more ambulatory surgery center and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Leigh Ann Pierson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Pierson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southwest Medical Associates - Tenaya | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Leigh Ann Pierson is one of 455 anesthesiologists in Nevada
Anesthesiology is Dr. Pierson's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Pierson is licensed in Nevada.
Specialties and state licenses
- Anesthesiology, NevadaPrimary
Anesthesiologists near Dr. Pierson
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. Leigh Ann Pierson billed Medicare for 44 services in 2024
CMS data shows 44 Medicare services from Dr. Pierson across 3 procedure codes in 2024, for 74 Medicare patients. Medicare paid $4,021 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Pierson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 322024: 4438%
Dr. Pierson compared with the Nevada median for anesthesiologists, 2024
- Dr. Pierson
- Nevada median
- Medicare services
- 44vs 7340% below
- Medicare patients
- 74vs 13244% below
Medians across 423 anesthesiologists in Nevada with Dmand AI profiles that report each measure.
Dr. Pierson's 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. Pierson and other anesthesiologists in Nevada.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leigh Ann Pierson treated 74 Medicare patients in 2024, average age 71
CMS counts 74 Medicare patients who saw Dr. Pierson in 2024. The largest group is 65 to 74, with 49 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 20% are also on Medicaid. Their average risk score is 1.26, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Pierson's median patient age at 72, with 55% women.
Dr. Pierson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Pierson's Medicare patients by sex, 2024
- Women4054%
- Men3446%
Chronic conditions among Dr. Pierson's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis31%
- Diabetes31%
- Cancer27%
- Mood disorders26%
- Chronic kidney disease22%
- Depression22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Pierson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leigh Ann Pierson scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Pierson for performance year 2024, reported as part of a group. Dr. Pierson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Pierson's MIPS scores, performance year 2024
- 90of 100Final score
- 82.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 83of 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. Leigh Ann Pierson graduated from University of Mississippi School of Medicine
Dr. Pierson graduated from University of Mississippi School of Medicine in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Leigh Ann Pierson'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Leigh Ann Pierson
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What is Dr. Leigh Ann Pierson's NPI number?
Dr. Leigh Ann Pierson's NPI number is 1487637682. It was assigned on November 22, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Leigh Ann Pierson?
Dr. Leigh Ann Pierson is an anesthesiologist in Las Vegas, Nevada. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Leigh Ann Pierson practice?
Dr. Pierson practices at 8655 S Eastern Ave, Las Vegas, NV 89123. Dr. Pierson's primary practice is Southwest Medical Associates - Tenaya in Las Vegas, Nevada. Dmand AI also links Dr. Pierson to 1 ambulatory surgery center and 1 medical group.
What is Dr. Leigh Ann Pierson's office phone number?
The practice phone on file for Dr. Pierson is (702) 877-8660.
What is Dr. Leigh Ann Pierson's medical license number?
Dr. Pierson holds Nevada license 7769.
What medical group is Dr. Leigh Ann Pierson part of?
Dr. Pierson is linked to Urology Specialists of Nevada. Dmand AI links Dr. Pierson to 1 more medical group.
Does Dr. Leigh Ann Pierson accept Medicare?
Yes. CMS data shows Dr. Pierson billed Medicare for 44 services in 2024, and Dr. Pierson accepts Medicare assignment.
What is Dr. Leigh Ann Pierson's MIPS score?
Dr. Pierson's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.
How many Medicare patients does Dr. Leigh Ann Pierson see?
CMS counts 74 Medicare patients who saw Dr. Pierson in 2024, with an average age of 71.
What services does Dr. Leigh Ann Pierson bill to Medicare?
In 2024, Dr. Pierson's most billed Medicare services were anesthesia (00142), anesthesia (00813) and anesthesia (00811).
Where did Dr. Leigh Ann Pierson go to medical school?
Dr. Pierson graduated from University of Mississippi School of Medicine in 1992.
How long has Dr. Leigh Ann Pierson been practicing?
Dr. Pierson graduated from medical school in 1992, 34 years ago.
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