What is Ryan Sawelson's NPI number?

Ryan Sawelson's National Provider Identifier (NPI) is 1659021434, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ryan Sawelson's specialty?

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

Where is Ryan Sawelson located?

Ryan Sawelson's practice location on file with NPPES is 20911 Earl St Ste 100, Torrance, CA 90503-4354.

What is Ryan Sawelson's phone number?

The practice phone number listed in the NPPES registry for Ryan Sawelson is (310) 547-7495.

Is Ryan Sawelson's NPI active?

Yes — Ryan Sawelson's NPI (1659021434) is active in the NPPES registry as of the last update on 2025-09-02.

IndividualActive

Ryan Sawelson, MD

NPI 1659021434 · Pediatrics Physician · Torrance, CA

Ryan Sawelson, MD is a Pediatrics Physician provider in Torrance, CA (NPI 1659021434).

Provider details

NPI number: 1659021434
Entity type: Individual
Primary specialty: Pediatrics PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: Yes
License: A202869 (CA)

Specialties & taxonomies

Pediatrics PhysicianPrimary208000000XLicense A202869 (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

20911 Earl St Ste 100

Torrance, CA 90503-4354

Phone: (310) 547-7495

Street-level locationGet directions

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Mailing address