Nicholas A. Simpson, CAA
- Medicare patients, 2024
- 138
- Hospital affiliations
- 3
- Industry payments
- $39
- Medical groups
- 2
- State license
- 1
- Practice address
- 901 West Ben White Blvd, Austin, TX 78704
- Practice phone
- Call (512) 448-7107
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Nicholas Simpson's 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.
Nicholas A. Simpson is an anesthesiologist assistant in Austin, Texas
Nicholas Simpson practices at St. David's South Austin Medical Center in Austin, Texas, part of HCA Healthcare.
Nicholas Simpson's NPI, 1053020727, was assigned on November 21, 2022. Nicholas Simpson holds Missouri license PENDING.
- NPI
- 1053020727NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527439314
- NPI enumeration date
- November 21, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (512) 448-7107
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Nicholas A. Simpson practices at St. David's South Austin Medical Center in Austin, Texas
Nicholas Simpson's primary practice is St. David's South Austin Medical Center, at 901 West Ben White Blvd, Austin, TX 78704 in Travis County. The practice phone is (512) 448-7107.
- St. David's South Austin Medical Center901 West Ben White Blvd, Austin, TX 78704 · Travis CountyPhone(512) 448-7107
Source: Dmand AI Affiliation Data
Nicholas A. Simpson is affiliated with 3 sites of care and 2 medical groups
Nicholas Simpson's primary practice is St. David's South Austin Medical Center in Austin, Texas, part of HCA Healthcare. Nicholas Simpson is also affiliated with St. David's Medical Center. The medical group on file is Austin Anesthesiology Group. Dmand AI also links Nicholas Simpson to 1 more hospital and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Nicholas A. Simpson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Nicholas Simpson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. David's South Austin Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Nicholas A. Simpson is one of 457 anesthesiologist assistants in Texas
Anesthesiologist assistant is Nicholas Simpson's primary specialty in the NPI Registry, under taxonomy code 367H00000X. Nicholas Simpson is licensed in Missouri.
Specialties and state licenses
- Anesthesiologist assistant, MissouriPrimary
Anesthesiologist assistants near Nicholas Simpson
Counts of anesthesiologist assistants 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
Nicholas A. Simpson treated 138 Medicare patients in 2024, average age 72
CMS counts 138 Medicare patients who saw Nicholas Simpson in 2024. The largest group is 65 to 74, with 69 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.97, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Nicholas Simpson's median patient age at 72, with 45% women.
Nicholas Simpson's Medicare patients by age, 2024
Nicholas Simpson's Medicare patients by sex, 2024
- Women6245%
- Men7655%
Chronic conditions among Nicholas Simpson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Ischemic heart disease39%
- Anxiety36%
- Mood disorders36%
- Diabetes34%
- Chronic kidney disease33%
Share of Medicare patients with each condition. A patient can have several.
Nicholas Simpson'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
- Women45%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Nicholas A. Simpson takes part in Medicare
Nicholas Simpson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Nicholas A. Simpson received $39 in industry payments in 2025
CMS Open Payments shows 2 general payments to Nicholas Simpson from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $21.
Companies that paid Nicholas Simpson the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Nicholas A. Simpson'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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Nicholas A. Simpson
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What is Nicholas A. Simpson's NPI number?
Nicholas A. Simpson's NPI number is 1053020727. It was assigned on November 21, 2022, and it is active in the NPI Registry.
What does Nicholas A. Simpson specialize in?
Nicholas A. Simpson is an anesthesiologist assistant in Austin, Texas. The primary specialty in the NPI Registry is Anesthesiologist Assistant (taxonomy code 367H00000X).
Where does Nicholas A. Simpson practice?
Nicholas Simpson practices at 901 West Ben White Blvd, Austin, TX 78704. Nicholas Simpson's primary practice is St. David's South Austin Medical Center in Austin, Texas, part of HCA Healthcare. Dmand AI also links Nicholas Simpson to 1 hospital and 1 medical group.
What is Nicholas A. Simpson's office phone number?
The practice phone on file for Nicholas Simpson is (512) 448-7107.
What is Nicholas A. Simpson's medical license number?
Nicholas Simpson holds Missouri license PENDING.
Which hospitals is Nicholas A. Simpson affiliated with?
Nicholas Simpson practices at St. David's South Austin Medical Center in Austin, Texas. Nicholas Simpson is also affiliated with St. David's Medical Center. Dmand AI links Nicholas Simpson to 1 more hospital.
What medical group is Nicholas A. Simpson part of?
Nicholas Simpson is linked to Austin Anesthesiology Group. Dmand AI links Nicholas Simpson to 1 more medical group.
Does Nicholas A. Simpson accept Medicare?
Yes. CMS lists Nicholas Simpson as accepting Medicare assignment.
How many Medicare patients does Nicholas A. Simpson see?
CMS counts 138 Medicare patients who saw Nicholas Simpson in 2024, with an average age of 72.
Has Nicholas A. Simpson received payments from drug or device companies?
CMS Open Payments shows $39 in general payments to Nicholas Simpson from 2 companies from 2025 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Nicholas A. Simpson been practicing?
Nicholas Simpson graduated from medical school in 2022, 4 years ago.
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