What is Harry Mercer's NPI number?

Harry Mercer's National Provider Identifier (NPI) is 1477431054, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Harry Mercer's specialty?

Harry Mercer is listed in the NPPES registry with a primary specialty of Personal Care Attendant (Nursing Service Related Providers).

Where is Harry Mercer located?

Harry Mercer's practice location on file with NPPES is 650 Main St, Barboursville, WV 25504-1439.

What is Harry Mercer's phone number?

The practice phone number listed in the NPPES registry for Harry Mercer is (304) 302-0707.

Is Harry Mercer's NPI active?

Yes — Harry Mercer's NPI (1477431054) is active in the NPPES registry as of the last update on 2025-08-22.

IndividualActive

Harry Mercer

NPI 1477431054 · Personal Care Attendant · Barboursville, WV

Harry Mercer is a Personal Care Attendant provider in Barboursville, WV (NPI 1477431054).

Provider details

NPI number: 1477431054
Entity type: Individual
Primary specialty: Personal Care AttendantNursing Service Related Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Personal Care AttendantPrimary3747P1801X
Nursing Service Related Providers

Profile Score

Basic profile(48/100 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
83% 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

650 Main St

Barboursville, WV 25504-1439

Phone: (304) 302-0707

Street-level locationGet directions

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Mailing address