Dr. Devin Hemingway Larsen, DO
- Medicare patients, 2024
- 31
- Hospital affiliations
- 4
- Industry payments
- $1,339
- Medical groups
- 6
- Insurance carriers
- 19
- Practice address
- 1139 E Sonterra Blvd,, San Antonio, TX 78258
- Practice phone
- Call (210) 638-2101
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Larsen'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.
Dr. Devin Hemingway Larsen is an anesthesiologist in San Antonio, Texas
Dr. Larsen practices at Methodist Hospital Stone Oak in San Antonio, Texas, part of HCA Healthcare.
Dr. Larsen's NPI, 1992196026, was assigned on February 11, 2015. Dr. Larsen graduated from Kirksville College of Osteopathic Medicine in 2015. Dr. Larsen holds Texas license S9175.
- NPI
- 1992196026NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941622922
- NPI enumeration date
- February 11, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (210) 638-2101
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Devin Hemingway Larsen practices at Methodist Hospital Stone Oak in San Antonio, Texas
Dr. Larsen's primary practice is Methodist Hospital Stone Oak, at 1139 E Sonterra Blvd,, San Antonio, TX 78258 in Bexar County. The practice phone is (210) 638-2101.
- Methodist Hospital Stone Oak1139 E Sonterra Blvd,, San Antonio, TX 78258 · Bexar CountyPhone(210) 638-2101
Source: Dmand AI Affiliation Data
Dr. Devin Hemingway Larsen is affiliated with 4 sites of care and 6 medical groups
Dr. Larsen's primary practice is Methodist Hospital Stone Oak in San Antonio, Texas, part of HCA Healthcare. Dr. Larsen is also affiliated with Methodist Hospital. The medical group on file is US Anesthesia Partners. Dmand AI also links Dr. Larsen to 2 more hospitals and 5 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Devin Hemingway Larsen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Larsen practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Methodist Hospital Stone Oak | Available with a free account |
| +3 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Devin Hemingway Larsen is one of 4,073 anesthesiologists in Texas
Anesthesiology is Dr. Larsen's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Larsen is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Larsen's licenses on file in 2 states: Texas and Nebraska.
Specialties and state licenses
- Anesthesiology, TexasPrimary
- Nebraska license
Anesthesiologists near Dr. Larsen
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. Devin Hemingway Larsen treated 31 Medicare patients in 2024, average age 74
CMS counts 31 Medicare patients who saw Dr. Larsen in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.92, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Larsen's median patient age at 63, with 59% women.
Dr. Larsen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Larsen's Medicare patients by sex, 2024
- Women1652%
- Men1548%
Chronic conditions among Dr. Larsen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Anxiety45%
- Arthritis42%
- Diabetes39%
- Chronic kidney disease35%
- Depression35%
- Mood disorders35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Larsen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women59%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Devin Hemingway Larsen takes part in Medicare
Dr. Larsen 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)
Dr. Devin Hemingway Larsen received $1,339 in industry payments from 2024 to 2025
CMS Open Payments shows 12 general payments to Dr. Larsen from 7 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Saluda Medical Americas, Inc. paid the most, $585.
General payments to Dr. Larsen by program year, 2024 to 2025
Companies that paid Dr. Larsen the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Devin Hemingway Larsen graduated from Kirksville College of Osteopathic Medicine
Dr. Larsen graduated from Kirksville College of Osteopathic Medicine in 2015.
- Medical school
- Board certified in anesthesiology
- Board certified in pain medicine
- Board certified in 2016 - 2024
- Board certified in 2020 - 2027
Source: Dmand AI Professional Profile Data
Dr. Devin Hemingway Larsen accepts plans from 19 insurance carriers
Dr. Larsen is in network with 19 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Elevance
- HCSC
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- Molina
- +11 more carriersWith a free account
Plan types Dr. Larsen accepts, by number of carriers
- PPO12
- HMO10
- Medicare8
- POS4
- EPO3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Devin Hemingway Larsen'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) |
| 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. Devin Hemingway Larsen
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. Devin Hemingway Larsen's NPI number?
Dr. Devin Hemingway Larsen's NPI number is 1992196026. It was assigned on February 11, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Devin Hemingway Larsen?
Dr. Devin Hemingway Larsen is an anesthesiologist in San Antonio, Texas. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Devin Hemingway Larsen practice?
Dr. Larsen practices at 1139 E Sonterra Blvd,, San Antonio, TX 78258. Dr. Larsen's primary practice is Methodist Hospital Stone Oak in San Antonio, Texas, part of HCA Healthcare. Dmand AI also links Dr. Larsen to 2 hospitals and 5 medical groups.
What is Dr. Devin Hemingway Larsen's office phone number?
The practice phone on file for Dr. Larsen is (210) 638-2101.
What is Dr. Devin Hemingway Larsen's medical license number?
Dr. Larsen holds Texas license S9175, one of the licenses on file in 2 states.
Which states has Dr. Devin Hemingway Larsen been licensed in?
Dmand AI has state licenses on file for Dr. Larsen in Texas and Nebraska.
Which hospitals is Dr. Devin Hemingway Larsen affiliated with?
Dr. Larsen practices at Methodist Hospital Stone Oak in San Antonio, Texas. Dr. Larsen is also affiliated with Methodist Hospital. Dmand AI links Dr. Larsen to 2 more hospitals.
What medical group is Dr. Devin Hemingway Larsen part of?
Dr. Larsen is linked to US Anesthesia Partners. Dmand AI links Dr. Larsen to 5 more medical groups.
Does Dr. Devin Hemingway Larsen accept Medicare?
Yes. CMS lists Dr. Larsen as accepting Medicare assignment.
How many Medicare patients does Dr. Devin Hemingway Larsen see?
CMS counts 31 Medicare patients who saw Dr. Larsen in 2024, with an average age of 74.
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Is Dr. Devin Hemingway Larsen board certified?
Yes. Dr. Larsen is board certified in anesthesiology by the American Board of Anesthesiology.
Where did Dr. Devin Hemingway Larsen go to medical school?
Dr. Larsen graduated from Kirksville College of Osteopathic Medicine in 2015.
Has Dr. Devin Hemingway Larsen received payments from drug or device companies?
CMS Open Payments shows $1,339 in general payments to Dr. Larsen from 7 companies from 2024 to 2025. The largest total came from Saluda Medical Americas, Inc.
How long has Dr. Devin Hemingway Larsen been practicing?
Dr. Larsen graduated from medical school in 2015, 11 years ago.
What insurance does Dr. Devin Hemingway Larsen accept?
Dr. Larsen is in network with 19 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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