What is Sarah Mallis's NPI number?

Sarah Mallis's National Provider Identifier (NPI) is 1821419045, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sarah Mallis's specialty?

Sarah Mallis is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).

Where is Sarah Mallis located?

Sarah Mallis's practice location on file with NPPES is 5838 Metro Way Sw, Wyoming, MI 49519-9619.

What is Sarah Mallis's phone number?

The practice phone number listed in the NPPES registry for Sarah Mallis is (616) 249-5300.

Is Sarah Mallis's NPI active?

Yes — Sarah Mallis's NPI (1821419045) is active in the NPPES registry as of the last update on 2025-07-31.

IndividualActive

Sarah Mallis, PSY.D.

NPI 1821419045 · Clinical Psychologist · Wyoming, MI

Sarah Mallis, PSY.D. is a Clinical Psychologist provider in Wyoming, MI (NPI 1821419045).

Provider details

NPI number: 1821419045
Entity type: Individual
Primary specialty: Clinical PsychologistBehavioral Health & Social Service Providers
Credential: PSY.D.
Sex: Female
Sole proprietor: No
License: 6301015441 (MI)

Specialties & taxonomies

Clinical PsychologistPrimary103TC0700XLicense 6301015441 (MI)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(76/100 index)

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

Registry tenure38% of score
12 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

5838 Metro Way Sw

Wyoming, MI 49519-9619

Phone: (616) 249-5300

Approximate (ZIP-level) locationGet directions

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Mailing address