Ellen M. Boynton, PA-C
Physician Assistant · Saint Louis, MO
Ellen M. Boynton, PA-C is a physician assistant with a practice address in Saint Louis, Missouri, and NPI 1699073916, issued on Mar 10, 2011. Check the license (Missouri 20240478142, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ellen M. Boynton
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 20240478142 MO
085004009 IL
52534 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9701 Landmark Parkway Dr Ste 207, Saint Louis, MO 63127
- Phone
- (314) 849-8700
- Enumerated
- Mar 10, 2011
- Record last updated
- Aug 5, 2026
- Medicare enrollment
- Enrolled (PECOS I20250124000895); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 1,790 in Missouri → Look up another NPI →
Also registered at 9701 Landmark Parkway Dr Ste 207
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Cheshil Dixit, MDAllergy & Immunology (Internal Medicine) Physician1821452863
- Gail Moolsintong, M.D.Pediatrics Physician1821043209
- James Temprano, MDAllergy & Immunology (Internal Medicine) Physician1093729972
Verify Ellen M. Boynton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 20240478142Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average physician assistant in 2024
315 Medicare Part D claims for 90 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium41 claims
- Levothyroxine Sodium28 claims
- Lisinopril22 claims
- Hydrochlorothiazide16 claims
- Albuterol Sulfate Hfa15 claims
- Amlodipine Besylate13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $279.70
13 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Allergy, Asthma And Sinus Care Center, LLCSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ellen M. Boynton among 1,790 physician assistant records in Missouri
Ellen M. Boynton, PA-C is one of 1,790 physician assistant records with a practice address in Missouri. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 25% of them.
- NPI issued2011 · 25% of these records are older, 72% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2011 · median 2019 among the 1,250 with a school on file
- Record last updated2026 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
498 physician assistant records list a practice address in Saint Louis
They are 498 of the 27,605 NPPES records with a practice address in Saint Louis, and 1,790 physician assistant records in Missouri.
All 1,790 in Missouri → Every provider in Saint Louis → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Lauren Davis, PA-CSaint Louis, MO 631271922576941
- Lydia Greffet, PA-CSaint Louis, MO 631271942722574
- Megan Herrington, PASaint Louis, MO 631271760114466
- Samantha Syrett, PA-CSaint Louis, MO 631271013537893
- Renee Amato, PASaint Louis, MO 631281922085356
- Ellen Barton, PASaint Louis, MO 631281851435903
- Christina Bruning, PA-CSaint Louis, MO 631281144272006
- Lisa Chappell, PA-CSaint Louis, MO 631281851327373
Common questions
What is Ellen M. Boynton, PA-C's NPI number?
Ellen M. Boynton, PA-C's National Provider Identifier (NPI) is 1699073916, issued on Mar 10, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Ellen M. Boynton, PA-C located?
The NPPES record lists a practice address at 9701 Landmark Parkway Dr Ste 207, Saint Louis, MO, 63127. Phone: (314) 849-8700. Providers update this record themselves, so call before visiting.
How can I verify Ellen M. Boynton, PA-C's license?
NPPES lists Missouri license number 20240478142, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Ellen M. Boynton, PA-C prescribe under Medicare Part D?
In 2024, Ellen M. Boynton, PA-C had 315 Medicare Part D claims for 90 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.