Nathan S. Larson, CRNA
- Medicare patients, 2024
- 126
- Hospital affiliations
- 4
- Industry payments
- $20
- Medical groups
- 5
- State license
- 1
- Practice address
- 1 Good Samaritan Way, Mount Vernon, IL 62864
- Practice phone
- Call (618) 899-2201
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Nathan Larson'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.
Nathan S. Larson is a nurse anesthetist in Mount Vernon, Illinois
Nathan Larson practices at SSM Health Good Samaritan Hospital - Mt. Vernon in Mount Vernon, Illinois, part of SSM Health Care.
Nathan Larson's NPI, 1255683777, was assigned on October 8, 2012. Nathan Larson holds Missouri license 2013002285.
- NPI
- 1255683777NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3274779905
- NPI enumeration date
- October 8, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (618) 899-2201
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Nathan S. Larson practices at SSM Health Good Samaritan Hospital - Mt. Vernon in Mount Vernon, Illinois
Nathan Larson's primary practice is SSM Health Good Samaritan Hospital - Mt. Vernon, at 1 Good Samaritan Way, Mount Vernon, IL 62864 in Jefferson County. The practice phone is (618) 899-2201.
- SSM Health Good Samaritan Hospital - Mt. Vernon1 Good Samaritan Way, Mount Vernon, IL 62864 · Jefferson CountyPhone(618) 899-2201
Source: Dmand AI Affiliation Data
Nathan S. Larson is affiliated with 4 sites of care and 5 medical groups
Nathan Larson's primary practice is SSM Health Good Samaritan Hospital - Mt. Vernon in Mount Vernon, Illinois, part of SSM Health Care. Nathan Larson is also affiliated with SSM Health St. Mary's Hospital - Centralia. The medical group on file is SSM Health Good Samaritan Hospital - Mt. Vernon. Dmand AI also links Nathan Larson to 2 more hospitals and 4 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 Nathan S. Larson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Nathan Larson practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SSM Health Good Samaritan Hospital - Mt. Vernon | Available with a free account |
| +3 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across SSM Health Care and 6.2K+ hospitals, with verified contacts in the same login.
Nathan S. Larson is one of 2,003 nurse anesthetists in Illinois
Nurse anesthetist, certified registered is Nathan Larson's primary specialty in the NPI Registry, under taxonomy code 367500000X. Nathan Larson is licensed in Missouri.
Specialties and state licenses
- Certified registered nurse anesthetist, MissouriPrimary
Nurse anesthetists near Nathan Larson
Counts of nurse anesthetists 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
Nathan S. Larson treated 126 Medicare patients in 2024, average age 72
CMS counts 126 Medicare patients who saw Nathan Larson in 2024. The largest group is 65 to 74, with 54 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 1.73, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Nathan Larson's median patient age at 47, with 67% women.
Nathan Larson's Medicare patients by age, 2024
Nathan Larson's Medicare patients by sex, 2024
- Women6552%
- Men6148%
Chronic conditions among Nathan Larson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Diabetes35%
- Chronic kidney disease34%
- Anxiety33%
- Ischemic heart disease33%
- Mood disorders31%
Share of Medicare patients with each condition. A patient can have several.
Nathan Larson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women67%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Nathan S. Larson takes part in Medicare
Nathan Larson 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)
Nathan S. Larson received $20 in industry payments in 2025
CMS Open Payments shows 1 general payment to Nathan Larson from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Ambu Inc. paid the most, $20.
Companies that paid Nathan Larson 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 Nathan S. Larson'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 Nathan S. Larson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Nathan S. Larson's NPI number?
Nathan S. Larson's NPI number is 1255683777. It was assigned on October 8, 2012, and it is active in the NPI Registry.
What does Nathan S. Larson specialize in?
Nathan S. Larson is a nurse anesthetist in Mount Vernon, Illinois. The primary specialty in the NPI Registry is Certified Registered Nurse Anesthetist (taxonomy code 367500000X).
Where does Nathan S. Larson practice?
Nathan Larson practices at 1 Good Samaritan Way, Mount Vernon, IL 62864. Nathan Larson's primary practice is SSM Health Good Samaritan Hospital - Mt. Vernon in Mount Vernon, Illinois, part of SSM Health Care. Dmand AI also links Nathan Larson to 2 hospitals and 4 medical groups.
What is Nathan S. Larson's office phone number?
The practice phone on file for Nathan Larson is (618) 899-2201.
What is Nathan S. Larson's medical license number?
Nathan Larson holds Missouri license 2013002285.
Which hospitals is Nathan S. Larson affiliated with?
Nathan Larson practices at SSM Health Good Samaritan Hospital - Mt. Vernon in Mount Vernon, Illinois. Nathan Larson is also affiliated with SSM Health St. Mary's Hospital - Centralia. Dmand AI links Nathan Larson to 2 more hospitals.
What medical group is Nathan S. Larson part of?
Nathan Larson is linked to SSM Health Good Samaritan Hospital - Mt. Vernon. Dmand AI links Nathan Larson to 4 more medical groups.
Does Nathan S. Larson accept Medicare?
Yes. CMS lists Nathan Larson as accepting Medicare assignment.
How many Medicare patients does Nathan S. Larson see?
CMS counts 126 Medicare patients who saw Nathan Larson in 2024, with an average age of 72.
Has Nathan S. Larson received payments from drug or device companies?
CMS Open Payments shows $20 in general payments to Nathan Larson from 1 company from 2025 to 2025. The largest total came from Ambu Inc.
How long has Nathan S. Larson been practicing?
Nathan Larson graduated from medical school in 2012, 14 years ago.
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