Ellen M. Boynton, PA-C
- Part D claims, 2024
- 315
- Industry payments
- $368
- Affiliated sites
- 2
- Medical groups
- 2
- State licenses
- 3
- Practice address
- 9701 Landmark Parkway Drive, #100, Saint Louis, MO 63127
- Practice phone
- Call (314) 962-3464
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Landmark Surgery Center - Saint Louis
Surgery Center - Medicare-Certified · Saint Louis, Missouri
Find Ellen Boynton'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.
Ellen M. Boynton is a physician assistant in Saint Louis, Missouri
Ellen Boynton practices at Landmark Surgery Center - Saint Louis in Saint Louis, Missouri.
Ellen Boynton's NPI, 1699073916, was assigned on March 10, 2011. Ellen Boynton graduated from Saint Louis University School of Medicine in 2011. Ellen Boynton holds Illinois license 085004009.
- NPI
- 1699073916NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991989006
- NPI enumeration date
- March 10, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 962-3464
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Ellen M. Boynton practices at Landmark Surgery Center - Saint Louis in Saint Louis, Missouri
Ellen Boynton's primary practice is Landmark Surgery Center - Saint Louis, at 9701 Landmark Parkway Drive, #100, Saint Louis, MO 63127. The practice phone is (314) 962-3464.
- Landmark Surgery Center - Saint Louis9701 Landmark Parkway Drive, #100, Saint Louis, MO 63127Phone(314) 962-3464
Source: Dmand AI Affiliation Data
Ellen M. Boynton is affiliated with 2 sites of care and 2 medical groups
Ellen Boynton's primary practice is Landmark Surgery Center - Saint Louis in Saint Louis, Missouri. The medical group on file is Allergy, Asthma & Food Allergy Centers. Dmand AI also links Ellen Boynton to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Ellen M. Boynton's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ellen Boynton practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Landmark Surgery Center - Saint Louis | 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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Ellen M. Boynton is one of 1,484 physician assistants in Missouri
Physician assistant is Ellen Boynton's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Ellen Boynton's licenses on file in 3 states: Illinois, California and Missouri.
Specialties and state licenses
- Physician assistant, IllinoisPrimary
- California license
- Missouri license
Physician assistants near Ellen Boynton
Counts of 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
Ellen M. Boynton's patients have a median age of 33
Across all payers, Dmand AI patient panel data puts Ellen Boynton's median patient age at 33, with 51% women.
Ellen Boynton's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 33
Patient panel by sex, all payers
- Women51%
- Men48%
Source: Dmand AI Patient Panel Data
Ellen M. Boynton wrote 315 Medicare Part D claims in 2024
In 2024, Ellen Boynton wrote 315 Medicare Part D claims for 90 patients. 84% of them were for generic drugs.
Ellen Boynton's Part D claims by kind of drug, 2024
- Generic266 claims84%
- Brand-name and other49 claims16%
Drug classes CMS tracks in Ellen Boynton's Part D claims, 2024
- Antibiotics7%22 of 315 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), 2024 data
How Ellen M. Boynton takes part in Medicare
Ellen Boynton 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)
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Ellen M. Boynton received $368 in industry payments in 2025
CMS Open Payments shows 8 general payments to Ellen Boynton from 6 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Sanofi and Genzyme US Companies paid the most, $136.
Companies that paid Ellen Boynton the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Ellen M. Boynton graduated from Saint Louis University School of Medicine
Ellen Boynton graduated from Saint Louis University School of Medicine in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Ellen M. Boynton'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 Data |
| 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 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 |
| 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 Ellen M. Boynton
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Ellen M. Boynton's NPI number?
Ellen M. Boynton's NPI number is 1699073916. It was assigned on March 10, 2011, and it is active in the NPI Registry.
What does Ellen M. Boynton specialize in?
Ellen M. Boynton is a physician assistant in Saint Louis, Missouri. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Ellen M. Boynton practice?
Ellen Boynton practices at 9701 Landmark Parkway Drive, #100, Saint Louis, MO 63127. Ellen Boynton's primary practice is Landmark Surgery Center - Saint Louis in Saint Louis, Missouri. Dmand AI also links Ellen Boynton to 1 group practice or clinic and 1 medical group.
What is Ellen M. Boynton's office phone number?
The practice phone on file for Ellen Boynton is (314) 962-3464.
What is Ellen M. Boynton's medical license number?
Ellen Boynton holds Illinois license 085004009, one of the licenses on file in 3 states.
Which states has Ellen M. Boynton been licensed in?
Dmand AI has state licenses on file for Ellen Boynton in Illinois, California and Missouri.
What medical group is Ellen M. Boynton part of?
Ellen Boynton is linked to Allergy, Asthma & Food Allergy Centers. Dmand AI links Ellen Boynton to 1 more medical group.
Does Ellen M. Boynton accept Medicare?
Yes. CMS lists Ellen Boynton as accepting Medicare assignment.
Where did Ellen M. Boynton go to medical school?
Ellen Boynton graduated from Saint Louis University School of Medicine in 2011.
Has Ellen M. Boynton received payments from drug or device companies?
CMS Open Payments shows $368 in general payments to Ellen Boynton from 6 companies from 2025 to 2025. The largest total came from Sanofi and Genzyme US Companies.
How long has Ellen M. Boynton been practicing?
Ellen Boynton graduated from medical school in 2011, 15 years ago.
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