OrganizationActive
Sean S To, MD, Inc
NPI 1730393661 · Internal Medicine Physician · Chino, CA
Sean S To, MD, Inc is a Internal Medicine Physician organization in Chino, CA (NPI 1730393661).
Provider details
- NPI number
- 1730393661
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Sean to, President(909) 628-2062
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
13768 Roswell Ave
109
Chino, CA 91710-1401
Phone: (909) 628-2062
Fax: (909) 628-2053
Street-level locationGet directions
Mailing address
13768 Roswell Ave
Chino, CA 91710-1401
Registry dates
- Enumerated
- 2007-05-10
- Last updated
- 2020-08-22
Frequently asked questions
- What is Sean S To, MD, Inc's NPI number?
- Sean S To, MD, Inc's National Provider Identifier (NPI) is 1730393661, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sean S To, MD, Inc?
- Sean S To, MD, Inc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sean S To, MD, Inc located?
- Sean S To, MD, Inc's practice location on file with NPPES is 13768 Roswell Ave, Chino, CA 91710-1401.
- What is Sean S To, MD, Inc's phone number?
- The practice phone number listed in the NPPES registry for Sean S To, MD, Inc is (909) 628-2062.
- Who is the authorized official for Sean S To, MD, Inc?
- The authorized official listed on Sean S To, MD, Inc's NPPES record is Sean to, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sean S To, MD, Inc's NPI active?
- Yes — Sean S To, MD, Inc's NPI (1730393661) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.