Randy S. Simpson, DDS
- Part D claims, 2026
- 127
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 1103 E Montclair St, Springfield, MO 65807
- Practice phone
- Call (417) 447-2482
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
C. Rex Witherspoon Surgery Center Inc
Springfield, Missouri
Find Randy 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.
Randy S. Simpson is a dentist in Springfield, Missouri
Randy Simpson practices at C. Rex Witherspoon Surgery Center Inc in Springfield, Missouri.
Randy Simpson's NPI, 1114946811, was assigned on July 19, 2006. Randy Simpson holds Arkansas license 2912.
- NPI
- 1114946811NPI Registry (opens in a new tab)
- NPI enumeration date
- July 19, 2006
- NPI status
- Active
- Practice phone
- (417) 447-2482
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Randy S. Simpson practices at C. Rex Witherspoon Surgery Center Inc in Springfield, Missouri
Randy Simpson's primary practice is C. Rex Witherspoon Surgery Center Inc, at 1103 E Montclair St, Springfield, MO 65807 in Greene County. The practice phone is (417) 447-2482.
- C. Rex Witherspoon Surgery Center Inc1103 E Montclair St, Springfield, MO 65807 · Greene CountyPhone(417) 447-2482
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Randy S. Simpson is affiliated with 2 sites of care
Randy Simpson's primary practice is C. Rex Witherspoon Surgery Center Inc in Springfield, Missouri. Dmand AI also links Randy Simpson to 1 physician office, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Randy S. Simpson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Randy Simpson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| C. Rex Witherspoon Surgery Center Inc | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Randy S. Simpson is one of 718 dentists in Missouri
Dentist is Randy Simpson's primary specialty in the NPI Registry, under taxonomy code 122300000X. Randy Simpson is licensed in Arkansas.
Specialties and state licenses
- Dentist, ArkansasPrimary
Dentists near Randy Simpson
Counts of dentists 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
Randy S. Simpson's patients have a median age of 21
Across all payers, Dmand AI patient panel data puts Randy Simpson's median patient age at 21, with 0% women.
Randy 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 21
Patient panel by sex, all payers
- Women0%
- Men75%
Source: Dmand AI Patient Panel Data
Randy S. Simpson wrote 127 Medicare Part D claims in 2026
In 2026, Randy Simpson wrote 127 Medicare Part D claims for 53 patients. 97% of them were for generic drugs.
Randy Simpson's Part D claims by kind of drug, 2026
- Generic123 claims97%
- Brand-name and other4 claims3%
Drug classes CMS tracks in Randy Simpson's Part D claims, 2026
- Antibiotics69%88 of 127 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2026 data
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Sources for Randy S. 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 | 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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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 Randy S. 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 Randy S. Simpson's NPI number?
Randy S. Simpson's NPI number is 1114946811. It was assigned on July 19, 2006, and it is active in the NPI Registry.
What does Randy S. Simpson specialize in?
Randy S. Simpson is a dentist in Springfield, Missouri. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).
Where does Randy S. Simpson practice?
Randy Simpson practices at 1103 E Montclair St, Springfield, MO 65807. Randy Simpson's primary practice is C. Rex Witherspoon Surgery Center Inc in Springfield, Missouri. Dmand AI also links Randy Simpson to 1 physician office, and a free account names each one.
What is Randy S. Simpson's office phone number?
The practice phone on file for Randy Simpson is (417) 447-2482. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Randy S. Simpson's email address?
Dmand AI checks professional and personal email addresses for Randy Simpson through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Randy S. Simpson's medical license number?
Randy Simpson holds Arkansas license 2912.
How long has Randy S. Simpson been practicing?
Randy Simpson's NPI was assigned in 2006.
What EHR does Randy S. Simpson's practice use?
Dmand AI tracks the EHR system at C. Rex Witherspoon Surgery Center Inc and at 1 more affiliated site. The vendor and product are available with a free Dmand AI account.
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