What is Ruchi Singh's NPI number?

Ruchi Singh's National Provider Identifier (NPI) is 1003559774, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ruchi Singh's specialty?

Ruchi Singh is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).

Where is Ruchi Singh located?

Ruchi Singh's practice location on file with NPPES is 26800 Crown Valley Pkwy Ste 510, Mission Viejo, CA 92691-8028.

What is Ruchi Singh's phone number?

The practice phone number listed in the NPPES registry for Ruchi Singh is (949) 364-8700.

Is Ruchi Singh's NPI active?

Yes — Ruchi Singh's NPI (1003559774) is active in the NPPES registry as of the last update on 2026-05-01.

IndividualActive

Ruchi Singh, DO

NPI 1003559774 · Pediatrics Physician · Mission Viejo, CA

Ruchi Singh, DO is a Pediatrics Physician provider in Mission Viejo, CA (NPI 1003559774).

Provider details

NPI number: 1003559774
Entity type: Individual
Primary specialty: Pediatrics PhysicianAllopathic & Osteopathic Physicians
Credential: DO
Sex: Female
Sole proprietor: Yes
License: 21749 (CA)

Specialties & taxonomies

Pediatrics PhysicianPrimary208000000XLicense 21749 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(60/100 index)

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

Registry tenure38% of score
4 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

26800 Crown Valley Pkwy Ste 510

Mission Viejo, CA 92691-8028

Phone: (949) 364-8700

Street-level locationGet directions

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Mailing address