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

Dr. Brandon Gregory Twombly, DO

Individual provider Family Medicine Physician · NPI 1013595396

Dr. Brandon Gregory Twombly, DO is a Family Practice in Bryn Mawr, Pennsylvania. Graduated from Philadelphia College of Osteopathic Medicine in 2021, 5 years ago. Practices with Bryn Mawr Medical Specialists Association, a 135-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
5
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
PA
In the registry since
2021
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

955 E Haverford Rd Ste 300
Bryn Mawr, PA 19010-3848
Phone: (610) 525-2990
Fax: (610) 525-2099
Show map & directions

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

Additional practice locations (2)

  • 1260 E Woodland Ave Ste 200, Springfield, PA 19064-3956 — (610) 690-4490
  • 417 Baltimore Pike, Springfield, PA 19064-3810 — (484) 470-2600

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence OS022995 (PA)

Record details

NPI number1013595396
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 30, 2021
Last updated in NPPESAugust 12, 2025
Certification dateAugust 12, 2025
Mailing address825 Old Lancaster Rd Ste 320, Bryn Mawr, PA 19010-3235

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2021 (5 years in practice)
Group practice Bryn Mawr Medical Specialists Association — 135 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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