What is Joseph Sofia's NPI number?

Joseph Sofia's National Provider Identifier (NPI) is 1003343997, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Joseph Sofia's specialty?

Joseph Sofia is listed in the NPPES registry with a primary specialty of Pediatric Anesthesiology Physician (Allopathic & Osteopathic Physicians).

Where is Joseph Sofia located?

Joseph Sofia's practice location on file with NPPES is 4800 Sand Point Way Ne, Seattle, WA 98105.

What is Joseph Sofia's phone number?

The practice phone number listed in the NPPES registry for Joseph Sofia is (206) 987-3996.

Does Joseph Sofia accept Medicare?

Joseph Sofia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Joseph Sofia's NPI active?

Yes — Joseph Sofia's NPI (1003343997) is active in the NPPES registry as of the last update on 2023-10-10.

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Joseph Sofia, MD

NPI 1003343997 · Pediatric Anesthesiology Physician · Seattle, WA

Joseph Sofia, MD is a Pediatric Anesthesiology Physician provider in Seattle, WA (NPI 1003343997).

Provider details

NPI number: 1003343997
Entity type: Individual
Primary specialty: Pediatric Anesthesiology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: MD.MD.61170736 (WA)

Practice location

4800 Sand Point Way Ne

Mb.11.500

Seattle, WA 98105

Phone: (206) 987-3996

Street-level locationGet directions

More WA providers

Mailing address

4800 Sand Point Way Ne

Seattle, WA 98105-3901

Specialties & taxonomies

Pediatric Anesthesiology PhysicianPrimary207LP3000XLicense MD61170736 (WA)
Allopathic & Osteopathic Physicians
Anesthesiology Physician207L00000XLicense MD.MD.61170736 (WA)
Allopathic & Osteopathic Physicians

Additional practice locations (1)

5323 Harry Hines Blvd
Dallas, TX 75390-7201
Phone: (214) 648-6400

Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(75/100 index)

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

Registry tenure38% of score
9 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
2 documented practice locations

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.

Enumerated: 2017-05-22
Last updated: 2023-10-10
Certified: 2023-10-10

Frequently asked questions

What is Joseph Sofia's NPI number?: Joseph Sofia's National Provider Identifier (NPI) is 1003343997, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Joseph Sofia's specialty?: Joseph Sofia is listed in the NPPES registry with a primary specialty of Pediatric Anesthesiology Physician (Allopathic & Osteopathic Physicians).
Where is Joseph Sofia located?: Joseph Sofia's practice location on file with NPPES is 4800 Sand Point Way Ne, Seattle, WA 98105.
What is Joseph Sofia's phone number?: The practice phone number listed in the NPPES registry for Joseph Sofia is (206) 987-3996.
Does Joseph Sofia accept Medicare?: Joseph Sofia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Joseph Sofia's NPI active?: Yes — Joseph Sofia's NPI (1003343997) is active in the NPPES registry as of the last update on 2023-10-10.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Additional practice locations (1)

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Additional practice locations (1)

Profile Score

Frequently asked questions