What is William Ernst's NPI number?

William Ernst's National Provider Identifier (NPI) is 1407746761, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Ernst's specialty?

William Ernst is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).

Where is William Ernst located?

William Ernst's practice location on file with NPPES is 11 Robinson St, Pottstown, PA 19464-6421.

What is William Ernst's phone number?

The practice phone number listed in the NPPES registry for William Ernst is (484) 941-0500.

Is William Ernst's NPI active?

Yes — William Ernst's NPI (1407746761) is active in the NPPES registry as of the last update on 2025-07-08.

IndividualActive

William Ernst

NPI 1407746761 · Mental Health Counselor · Pottstown, PA

William Ernst is a Mental Health Counselor provider in Pottstown, PA (NPI 1407746761).

Provider details

NPI number: 1407746761
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800X
Behavioral Health & Social Service 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

11 Robinson St

Pottstown, PA 19464-6421

Phone: (484) 941-0500

Street-level locationGet directions

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Mailing address