Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Gwyn Mahony Hadeed, DO

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1023438231

Gwyn Mahony Hadeed, DO is a Family Practice in Saint Louis, Missouri. Qualified in 2016, 10 years ago. Practices with Salem Health, a 479-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Colorado, Missouri and Oregon.

Years since qualifying
10
Licensed in
CO, MO, OR
In the registry since
2014
Specialties on file
5
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

401 Holly Hills Ave
Saint Louis, MO 63111-2410
Phone: (314) 353-5190
Fax: (314) 353-7631
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 2022038658 (MO)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X
Family Medicine Physician Taxonomy 207Q00000X · Licence DR.0059371 (CO)
Family Medicine Physician Taxonomy 207Q00000X · Licence TL0006017 (CO)
Family Medicine Physician Taxonomy 207Q00000X · Licence DO196254 (OR)

Record details

NPI number1023438231
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorYes
NPI enumeratedApril 27, 2014
Last updated in NPPESOctober 4, 2022
Certification dateOctober 4, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Salem Health — 479 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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