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

Dr. John Ryan Mahoney, DO

Individual provider Orthopaedic Surgery Physician · NPI 1144616459

Dr. John Ryan Mahoney, DO is an Orthopedic Surgery in Snellville, Georgia. Graduated from Philadelphia College of Osteopathic Medicine in 2015, 11 years ago. Practices with Piedmont Orthopedics, LLC, a 192-clinician group and accepts Medicare assignment. Licensed in Georgia and Ohio.

Years since qualifying
11
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
GA, OH
In the registry since
2015
Specialties on file
3
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.

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Practice location Address checks out

1700 Tree Ln Ste 300
Snellville, GA 30078-6747
Phone: (678) 205-4299
Fax: (678) 214-6112
Show map & directions

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

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 79435 (GA)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence 34.014302 (OH)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1144616459
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedApril 13, 2015
Last updated in NPPESMay 20, 2022
Certification dateMay 20, 2022
Mailing address900 Circle 75 Pkwy Se, Ste 1700, Atlanta, GA 30339-3087

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2015 (11 years in practice)
Group practice Piedmont Orthopedics, Llc — 192 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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