What is Bonnie Thaler's NPI number?

Bonnie Thaler's National Provider Identifier (NPI) is 1649123407, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Bonnie Thaler's specialty?

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

Where is Bonnie Thaler located?

Bonnie Thaler's practice location on file with NPPES is 399 E Putnam Ave, Cos Cob, CT 06807-2558.

What is Bonnie Thaler's phone number?

The practice phone number listed in the NPPES registry for Bonnie Thaler is (203) 658-7458.

Is Bonnie Thaler's NPI active?

Yes — Bonnie Thaler's NPI (1649123407) is active in the NPPES registry as of the last update on 2026-02-19.

IndividualActive

Bonnie Thaler

NPI 1649123407 · Mental Health Counselor · Cos Cob, CT

Bonnie Thaler is a Mental Health Counselor provider in Cos Cob, CT (NPI 1649123407).

Provider details

NPI number: 1649123407
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: Yes
License: 3502 (CT)

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800XLicense 3502 (CT)
Behavioral Health & Social Service Providers

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

399 E Putnam Ave

Cos Cob, CT 06807-2558

Phone: (203) 658-7458

Street-level locationGet directions

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Mailing address