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

Sean S. to , MD, Inc

Organization Internal Medicine Physician · NPI 1841809597

Sean S. to , MD, Inc is an Internal Medicine Physician in Chino, California. Registered with an NPI since 2020.

In the registry since
2020
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

5562 Philadelphia St Ste 201
Chino, CA 91710
Phone: (909) 988-1000
Fax: (909) 988-1001
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X

Record details

NPI number1841809597
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Sean To — President/ Owner · (951) 834-8515
NPI enumeratedJuly 29, 2020
Last updated in NPPESJuly 29, 2020
Certification dateJuly 29, 2020
Mailing address1317 S. Diamond Bar Blvd Ste. 4462, Diamond Bar, CA 91765

Other providers in Chino