What is Ryanne Lewis's NPI number?

Ryanne Lewis's National Provider Identifier (NPI) is 1447194451, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ryanne Lewis's specialty?

Ryanne Lewis is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Ryanne Lewis located?

Ryanne Lewis's practice location on file with NPPES is 1000 Houghton Ave, Saginaw, MI 48602-5303.

What is Ryanne Lewis's phone number?

The practice phone number listed in the NPPES registry for Ryanne Lewis is (989) 746-7500.

Is Ryanne Lewis's NPI active?

Yes — Ryanne Lewis's NPI (1447194451) is active in the NPPES registry as of the last update on 2026-04-18.

IndividualActive

Ryanne Lewis

NPI 1447194451 · Internal Medicine Physician · Saginaw, MI

Ryanne Lewis is a Internal Medicine Physician provider in Saginaw, MI (NPI 1447194451).

Provider details

NPI number: 1447194451
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Sex: Female
Sole proprietor: No
License: 4351056149 (MI)

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense 4351056149 (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

1000 Houghton Ave

Saginaw, MI 48602-5303

Phone: (989) 746-7500

Street-level locationGet directions

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Mailing address