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Active NPI 1699073916 Individual Practitioner Female Practitioner

Ellen M Boynton , PA-C

Physician Assistant • Saint Louis, MO

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Ellen Boynton, PA-C is a certified Physician Assistant practicing in Saint Louis, MO. With approximately 15 years of clinical experience since graduating from Saint Louis University School Of Medicine in 2011, Ellen Boynton delivers high-quality medical care to the local community at 9701 LANDMARK PARKWAY DR STE 207.

Ellen Boynton is affiliated with Allergy, Asthma And Sinus Care Center, Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

9701 Landmark Parkway Dr Ste 207

Saint Louis, MO 631271665

Telephone 3148498700
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Saint Louis University School Of Medicine

Graduation Year

2011

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Saint Louis, MO

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
15 Yrs +6.3 yrs vs City Avg
City Avg: 8.7 Yrs
State Avg: 10.3 Yrs
Regional Practice Density
501 Specialists

Practicing in Saint Louis, MO (1802 Statewide)

Telehealth Adoption Rate
12.6% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
57.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Boynton (15 Years) 15 Yrs
Saint Louis Specialty Average (8.7 Years) 8.7 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2019)
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes
29 29 $155.93 $66.22
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
11 11 $228.00 $96.52

Medical Specialties & State Licenses

CMS Verified: 2026-08-05
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License IL 085004009

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Physician Assistant

NUCC Taxonomy Code: 363A00000X

State License MO 20240478142

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Physician Assistant

NUCC Taxonomy Code: 363A00000X

State License CA 52534

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Hospital & Practice Group Affiliations

Allergy, Asthma And Sinus Care Center, Llc

9701 Landmark Pkwy Dr, Saint Louis, MO 631271665

Phone: 3148498700

Secondary Practice Locations

1414 Cross St Ste 240

Shiloh, IL 622692941

Phone: 6186073950

26922 Oso Pkwy Ste 380

Mission Viejo, CA 926915800

Phone: 9493050110

510 Fullerton Rd

Swansea, IL 622262970

Phone: 6182338700

16216 Baxter Rd Ste 299

Chesterfield, MO 630174778

Phone: 6365362600

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

6 Associated Practitioners
Dr. Josie Vitale , MD

Allergy & Immunology - Allergy

NPI 1063641223

Doctor of Medicine (M.D.)

Dr. James Temprano , MD

Internal Medicine - Allergy & Immunology

NPI 1093729972

Doctor of Medicine (M.D.)

Dr. Manoj Warrier , MD

Allergy & Immunology

NPI 1699724161

Doctor of Medicine (M.D.)

NPI 1821043209

Doctor of Medicine (M.D.)

Dr. Cheshil Dixit , MD

Internal Medicine - Allergy & Immunology

NPI 1821452863

Doctor of Medicine (M.D.)

Lauren Davis , PA-C

Physician Assistant

NPI 1922576941

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

10 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 05, 2026

Physician Assistant (License #20240478142 in MO)

📍
Updated Practice Location March 11, 2025

Registered at 9701 LANDMARK PARKWAY DR STE 207, SAINT LOUIS, MO 631271665 (Tel: 3148498700)

📍
Updated Practice Location January 21, 2025

Registered at 510 FULLERTON RD, SWANSEA, IL 622262970 (Tel: 6182338700)

📍
Updated Business Mailing Address January 21, 2025

Registered at PO BOX 874797, KANSAS CITY, MO 641874797 (Tel: 3148498700)

NPI Profile Active June 03, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location June 03, 2016

Registered at 26922 OSO PKWY STE 380, MISSION VIEJO, CA 926915800 (Tel: 9493050110)

📍
Updated Business Mailing Address June 03, 2016

Registered at 26922 OSO PKWY STE 380, MISSION VIEJO, CA 926915800 (Tel: 9493050110)

👤
Provider Name / Credentials Updated June 03, 2016

Recorded as ELLEN BOYNTON, PA-C

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 03, 2016

Physician Assistant (License #52534 in CA)

🟢
Initial NPI Registration & Enumeration March 10, 2011

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1699073916
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 10, 2011
Last Update: August 05, 2026
Sole Proprietor: No

Mailing Address

Po Box 874797

Kansas City, MO 641874797

Phone: 3148498700

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.