What is Robyne Diller's NPI number?

Robyne Diller's National Provider Identifier (NPI) is 1871176586, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Robyne Diller's specialty?

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

Where is Robyne Diller located?

Robyne Diller's practice location on file with NPPES is 30 Old Kings Hwy S, Darien, CT 06820-4551.

What is Robyne Diller's phone number?

The practice phone number listed in the NPPES registry for Robyne Diller is (203) 883-0464.

Does Robyne Diller accept Medicare?

Robyne Diller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Robyne Diller's NPI active?

Yes — Robyne Diller's NPI (1871176586) is active in the NPPES registry as of the last update on 2021-04-30.

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Robyne Diller, PHD

NPI 1871176586 · Psychologist · Darien, CT

Robyne Diller, PHD is a Psychologist provider in Darien, CT (NPI 1871176586).

Provider details

NPI number: 1871176586
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: PHD
Sex: Female
Sole proprietor: No
License: 1743 (CT)

Practice location

30 Old Kings Hwy S

Darien, CT 06820-4551

Phone: (203) 883-0464

Street-level locationGet directions

More CT providers

Mailing address

Po Box 8176

Greenwich, CT 06836

Specialties & taxonomies

PsychologistPrimary103T00000XLicense 1743 (CT)
Behavioral Health & Social Service Providers

Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Established profile(63/100 index)

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

Registry tenure38% of score
5 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.

Enumerated: 2021-04-30
Last updated: 2021-04-30
Certified: 2021-04-30

Frequently asked questions

What is Robyne Diller's NPI number?: Robyne Diller's National Provider Identifier (NPI) is 1871176586, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Robyne Diller's specialty?: Robyne Diller is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
Where is Robyne Diller located?: Robyne Diller's practice location on file with NPPES is 30 Old Kings Hwy S, Darien, CT 06820-4551.
What is Robyne Diller's phone number?: The practice phone number listed in the NPPES registry for Robyne Diller is (203) 883-0464.
Does Robyne Diller accept Medicare?: Robyne Diller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Robyne Diller's NPI active?: Yes — Robyne Diller's NPI (1871176586) is active in the NPPES registry as of the last update on 2021-04-30.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions