What is Erin Riordan's NPI number?

Erin Riordan's National Provider Identifier (NPI) is 1629966957, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Erin Riordan's specialty?

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

Where is Erin Riordan located?

Erin Riordan's practice location on file with NPPES is 12345 Lake City Way Ne # 2208, Seattle, WA 98125-5401.

What is Erin Riordan's phone number?

The practice phone number listed in the NPPES registry for Erin Riordan is (978) 857-3007.

Is Erin Riordan's NPI active?

Yes — Erin Riordan's NPI (1629966957) is active in the NPPES registry as of the last update on 2025-06-25.

IndividualActive

Erin Riordan, MPH

NPI 1629966957 · Mental Health Counselor · Seattle, WA

Erin Riordan, MPH is a Mental Health Counselor provider in Seattle, WA (NPI 1629966957).

Provider details

NPI number: 1629966957
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Credential: MPH
Sex: Female
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

12345 Lake City Way Ne # 2208

Seattle, WA 98125-5401

Phone: (978) 857-3007

Street-level locationGet directions

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Mailing address