What is Sondra Karnbach's NPI number?

Sondra Karnbach's National Provider Identifier (NPI) is 1508397621, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sondra Karnbach's specialty?

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

Where is Sondra Karnbach located?

Sondra Karnbach's practice location on file with NPPES is 425 Pleasant St, Brockton, MA 02301-2533.

What is Sondra Karnbach's phone number?

The practice phone number listed in the NPPES registry for Sondra Karnbach is (508) 580-0364.

Is Sondra Karnbach's NPI active?

Yes — Sondra Karnbach's NPI (1508397621) is active in the NPPES registry as of the last update on 2025-03-18.

IndividualActive

Sondra Karnbach, BA

NPI 1508397621 · Mental Health Counselor · Brockton, MA

Sondra Karnbach, BA is a Mental Health Counselor provider in Brockton, MA (NPI 1508397621).

Provider details

NPI number: 1508397621
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Credential: BA
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800X
Behavioral Health & Social Service Providers

Profile Score

Established profile(64/100 index)

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

Registry tenure38% of score
9 yrs in NPPES 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

425 Pleasant St

Brockton, MA 02301-2533

Phone: (508) 580-0364

Street-level locationGet directions

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Mailing address