Stephen N. Simpson, OD
- Medicare patients, 2024
- 311
- Part D claims, 2024
- 300
- Industry payments
- $60
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 2417 W Franklin St, Evansville, IN 47712-5564
- Practice phone
- Call (812) 423-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Simpson & Bigham OD Partnership
Eye care practice · Evansville, Indiana
Find Stephen 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.
Stephen N. Simpson is an optometrist in Evansville, Indiana
Stephen Simpson practices at Simpson & Bigham OD Partnership in Evansville, Indiana.
Stephen Simpson's NPI, 1619963733, was assigned on September 23, 2005. Stephen Simpson graduated from Illinois College of Optometry at Chicago in 1996. Stephen Simpson holds Indiana license 18002839A.
- NPI
- 1619963733NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436294212
- NPI enumeration date
- September 23, 2005
- NPI status
- Active
- Practice phone
- (812) 423-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Stephen N. Simpson practices at Simpson & Bigham OD Partnership in Evansville, Indiana
Stephen Simpson's primary practice is Simpson & Bigham OD Partnership, at 2417 W Franklin St, Evansville, IN 47712-5564. The practice phone is (812) 423-5000.
- Simpson & Bigham OD Partnership2417 W Franklin St, Evansville, IN 47712-5564Phone(812) 423-5000
Source: Dmand AI Affiliation Data
Stephen N. Simpson is affiliated with 1 site of care and 1 medical group
Stephen Simpson's primary practice is Simpson & Bigham OD Partnership in Evansville, Indiana. Dmand AI also links Stephen Simpson to 1 medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Stephen N. Simpson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Stephen Simpson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Simpson & Bigham OD Partnership | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Stephen N. Simpson is one of 1,172 optometrists in Indiana
Optometrist is Stephen Simpson's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Stephen Simpson is licensed in Indiana.
Specialties and state licenses
- Optometrist, IndianaPrimary
Optometrists near Stephen Simpson
Counts of optometrists 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
Stephen N. Simpson treated 311 Medicare patients in 2024, average age 74
CMS counts 311 Medicare patients who saw Stephen Simpson in 2024. The largest group is 65 to 74, with 167 patients. 72% of them have high blood pressure, and 71% have high cholesterol. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Stephen Simpson's median patient age at 71, with 59% women.
Stephen Simpson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Stephen Simpson's Medicare patients by sex, 2024
- Women18359%
- Men12841%
Chronic conditions among Stephen Simpson's Medicare patients, 2024
- High blood pressure72%
- High cholesterol71%
- Arthritis43%
- Diabetes25%
- Chronic kidney disease21%
- Anxiety20%
- Ischemic heart disease17%
- Atrial fibrillation16%
Share of Medicare patients with each condition. A patient can have several.
Stephen 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 71
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Stephen N. Simpson wrote 300 Medicare Part D claims in 2024
In 2024, Stephen Simpson wrote 300 Medicare Part D claims for 75 patients. 86% of them were for generic drugs.
Stephen Simpson's Part D claims by kind of drug, 2024
- Generic258 claims86%
- Brand-name42 claims14%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Stephen N. Simpson ranks in the 60th percentile for cataract surgery in Medicare
CMS counts 43 procedures of cataract surgery by Stephen Simpson, more than 60% of the clinicians it reports for that procedure.
Where Stephen Simpson ranks in Medicare procedure volume
- Cataract surgery
- 60th percentile43 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Source: Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Stephen N. Simpson received $60 in industry payments in 2025
CMS Open Payments shows 3 general payments to Stephen Simpson from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $60.
Companies that paid Stephen 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
Stephen N. Simpson graduated from Illinois College of Optometry at Chicago
Stephen Simpson graduated from Illinois College of Optometry at Chicago in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Stephen N. 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 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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians Utilization Data (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 |
| 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 Stephen N. Simpson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Stephen N. Simpson's NPI number?
Stephen N. Simpson's NPI number is 1619963733. It was assigned on September 23, 2005, and it is active in the NPI Registry.
What does Stephen N. Simpson specialize in?
Stephen N. Simpson is an optometrist in Evansville, Indiana. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Stephen N. Simpson practice?
Stephen Simpson practices at 2417 W Franklin St, Evansville, IN 47712-5564. Stephen Simpson's primary practice is Simpson & Bigham OD Partnership in Evansville, Indiana. Dmand AI also links Stephen Simpson to 1 medical group.
What is Stephen N. Simpson's office phone number?
The practice phone on file for Stephen Simpson is (812) 423-5000.
What is Stephen N. Simpson's medical license number?
Stephen Simpson holds Indiana license 18002839A.
How many Medicare patients does Stephen N. Simpson see?
CMS counts 311 Medicare patients who saw Stephen Simpson in 2024, with an average age of 74.
Where did Stephen N. Simpson go to medical school?
Stephen Simpson graduated from Illinois College of Optometry at Chicago in 1996.
Has Stephen N. Simpson received payments from drug or device companies?
CMS Open Payments shows $60 in general payments to Stephen Simpson from 1 company from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has Stephen N. Simpson been practicing?
Stephen Simpson graduated from medical school in 1996, 30 years ago.
Selling to optometrist practices?
See optometrists in Indiana by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card