What is Caroline Ruiz's NPI number?

Caroline Ruiz's National Provider Identifier (NPI) is 1164352365, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Caroline Ruiz's specialty?

Caroline Ruiz is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Caroline Ruiz located?

Caroline Ruiz's practice location on file with NPPES is 555 N Duke St, Lancaster, PA 17602-2250.

What is Caroline Ruiz's phone number?

The practice phone number listed in the NPPES registry for Caroline Ruiz is (717) 544-4950.

Is Caroline Ruiz's NPI active?

Yes — Caroline Ruiz's NPI (1164352365) is active in the NPPES registry as of the last update on 2026-05-20.

IndividualActive

Caroline Ruiz, DO

NPI 1164352365 · Family Medicine Physician · Lancaster, PA

Caroline Ruiz, DO is a Family Medicine Physician provider in Lancaster, PA (NPI 1164352365).

Provider details

NPI number: 1164352365
Entity type: Individual
Primary specialty: Family Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: DO
Sex: Female
Sole proprietor: No
License: OT-025069 (PA)

Specialties & taxonomies

Family Medicine PhysicianPrimary207Q00000XLicense OT-025069 (PA)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(53/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in 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

555 N Duke St

Lancaster, PA 17602-2250

Phone: (717) 544-4950

Street-level locationGet directions

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Mailing address