What is Fiona Sznewajs's NPI number?

Fiona Sznewajs's National Provider Identifier (NPI) is 1154259869, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Fiona Sznewajs's specialty?

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

Where is Fiona Sznewajs located?

Fiona Sznewajs's practice location on file with NPPES is 3535 W 13 Mile Rd, Royal Oak, MI 48073-6770.

What is Fiona Sznewajs's phone number?

The practice phone number listed in the NPPES registry for Fiona Sznewajs is (248) 551-3000.

Is Fiona Sznewajs's NPI active?

Yes — Fiona Sznewajs's NPI (1154259869) is active in the NPPES registry as of the last update on 2026-05-12.

IndividualActive

Fiona Sznewajs, DO

NPI 1154259869 · Pediatrics Physician · Royal Oak, MI

Fiona Sznewajs, DO is a Pediatrics Physician provider in Royal Oak, MI (NPI 1154259869).

Provider details

NPI number: 1154259869
Entity type: Individual
Primary specialty: Pediatrics PhysicianAllopathic & Osteopathic Physicians
Credential: DO
Sex: Female
Sole proprietor: Yes
License: 5151017973 (MI)

Specialties & taxonomies

Pediatrics PhysicianPrimary208000000XLicense 5151017973 (MI)
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

3535 W 13 Mile Rd

Royal Oak, MI 48073-6770

Phone: (248) 551-3000

Fax: (248) 551-2032

Street-level locationGet directions

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Mailing address