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

Individual provider Pediatrics Physician · NPI 1134380074

Dr. Ryan Michael Mascio, DO is a Pediatrics Physician in Bryn Mawr, Pennsylvania. Practices as a sole proprietor. Licensed in Pennsylvania and Virginia.

Licensed in
PA, VA
In the registry since
2008
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

663 W Lancaster Ave
Bryn Mawr, PA 19010-3805
Phone: (610) 658-0999
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence OS019565 (PA)
Pediatrics Physician Taxonomy 208000000X · Licence 0102202563 (VA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1134380074
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedJune 23, 2008
Last updated in NPPESMarch 20, 2023
Certification dateMarch 20, 2023
Mailing address1350 Edgmont Ave Ste 1500, Chester, PA 19013-3962

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