Leonard Gerfield David, CSFA
- Industry payments
- $21
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2021
- Practice address
- 114 Piper Hill Dr, Saint Peters, MO 63376
- Practice phone
- Call (636) 928-1670
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St Peters Ambulatory Surgery Center
Saint Peters, Missouri
Find Leonard David'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.
Leonard Gerfield David is a surgical physician assistant in Saint Peters, Missouri
Leonard David practices at St Peters Ambulatory Surgery Center in Saint Peters, Missouri.
Leonard David's NPI, 1932794864, was assigned on March 3, 2021. Leonard David holds Missouri license 200837.
- NPI
- 1932794864NPI Registry (opens in a new tab)
- NPI enumeration date
- March 3, 2021
- NPI status
- Active
- Practice phone
- (636) 928-1670
- 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
Leonard Gerfield David practices at St Peters Ambulatory Surgery Center in Saint Peters, Missouri
Leonard David's primary practice is St Peters Ambulatory Surgery Center, at 114 Piper Hill Dr, Saint Peters, MO 63376 in Saint Charles County. The practice phone is (636) 928-1670.
- St Peters Ambulatory Surgery Center114 Piper Hill Dr, Saint Peters, MO 63376 · Saint Charles CountyPhone(636) 928-1670
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Leonard Gerfield David is affiliated with 2 sites of care and 1 medical group
Leonard David's primary practice is St Peters Ambulatory Surgery Center in Saint Peters, Missouri. Dmand AI also links Leonard David to 1 group practice or clinic and 1 medical group, each 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 Leonard Gerfield David's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Leonard David practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St Peters Ambulatory Surgery Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Leonard Gerfield David is one of 135 surgical physician assistants in Missouri
Surgical is Leonard David's primary specialty in the NPI Registry, under taxonomy code 363AS0400X. Leonard David is licensed in Missouri.
Specialties and state licenses
- Surgical physician assistant, MissouriPrimary
Surgical physician assistants near Leonard David
Counts of surgical physician 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
Leonard Gerfield David's patients have a median age of 46
Across all payers, Dmand AI patient panel data puts Leonard David's median patient age at 46, with 83% women.
Leonard David's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women83%
- Men17%
Source: Dmand AI Patient Panel Data
Leonard Gerfield David received $21 in industry payments in 2025
CMS Open Payments shows 1 general payment to Leonard David from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Pacira Pharmaceuticals Incorporated paid the most, $21.
Companies that paid Leonard David 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 Leonard Gerfield David'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 |
| 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 Leonard Gerfield David
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Leonard Gerfield David's NPI number?
Leonard Gerfield David's NPI number is 1932794864. It was assigned on March 3, 2021, and it is active in the NPI Registry.
What does Leonard Gerfield David specialize in?
Leonard Gerfield David is a surgical physician assistant in Saint Peters, Missouri. The primary specialty in the NPI Registry is Surgical Physician Assistant (taxonomy code 363AS0400X).
Where does Leonard Gerfield David practice?
Leonard David practices at 114 Piper Hill Dr, Saint Peters, MO 63376. Leonard David's primary practice is St Peters Ambulatory Surgery Center in Saint Peters, Missouri. Dmand AI also links Leonard David to 1 group practice or clinic and 1 medical group.
What is Leonard Gerfield David's office phone number?
The practice phone on file for Leonard David is (636) 928-1670.
What is Leonard Gerfield David's medical license number?
Leonard David holds Missouri license 200837, one of 2 state licenses on file.
Has Leonard Gerfield David received payments from drug or device companies?
CMS Open Payments shows $21 in general payments to Leonard David from 1 company from 2025 to 2025. The largest total came from Pacira Pharmaceuticals Incorporated.
How long has Leonard Gerfield David been practicing?
Leonard David's NPI was assigned in 2021.
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