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

Sherilyn Lisa Tittermary McCollum, DO

Individual provider Rheumatology Physician · NPI 1023209533

Sherilyn Lisa Tittermary McCollum, DO is a Rheumatology in Doylestown, Pennsylvania. Qualified in 2008, 18 years ago. Accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
18
Licensed in
PA
In the registry since
2007
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

1456 Ferry Rd Ste 403
Doylestown, PA 18901
Phone: (267) 483-8094
Fax: (267) 483-8312
Show map & directions

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

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence OS-015700 (PA)

Record details

NPI number1023209533
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedAugust 8, 2007
Last updated in NPPESNovember 18, 2022
Certification dateNovember 18, 2022

Medicare enrollment

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

Medicare specialtyRHEUMATOLOGY
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare