What is Harriet Singelyn's NPI number?

Harriet Singelyn's National Provider Identifier (NPI) is 1639688476, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Harriet Singelyn's specialty?

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

Where is Harriet Singelyn located?

Harriet Singelyn's practice location on file with NPPES is 1710 Keller Pkwy # 4759, Keller, TX 76248-3749.

What is Harriet Singelyn's phone number?

The practice phone number listed in the NPPES registry for Harriet Singelyn is (210) 201-2364.

Is Harriet Singelyn's NPI active?

Yes — Harriet Singelyn's NPI (1639688476) is active in the NPPES registry as of the last update on 2025-11-24.

IndividualActive

Harriet Singelyn, PSYD

NPI 1639688476 · Psychologist · Keller, TX

Harriet Singelyn, PSYD is a Psychologist provider in Keller, TX (NPI 1639688476).

Provider details

NPI number: 1639688476
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: PSYD
Sex: Female
Sole proprietor: No
License: 39356 (TX)

Specialties & taxonomies

PsychologistPrimary103T00000XLicense 39356 (TX)
Behavioral Health & Social Service Providers

Profile Score

Established profile(69/100 index)

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

Registry tenure38% of score
8 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.

Practice location

1710 Keller Pkwy # 4759

Keller, TX 76248-3749

Phone: (210) 201-2364

Street-level locationGet directions

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Mailing address