What is Carey Riordan's NPI number?

Carey Riordan's National Provider Identifier (NPI) is 1528466653, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Carey Riordan's specialty?

Carey Riordan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).

Where is Carey Riordan located?

Carey Riordan's practice location on file with NPPES is 19801 Observation Dr, Germantown, MD 20876-4070.

What is Carey Riordan's phone number?

The practice phone number listed in the NPPES registry for Carey Riordan is (301) 557-6000.

Is Carey Riordan's NPI active?

Yes — Carey Riordan's NPI (1528466653) is active in the NPPES registry as of the last update on 2014-12-05.

IndividualActive

Carey Riordan, LCSW

NPI 1528466653 · Clinical Social Worker · Germantown, MD

Carey Riordan, LCSW is a Clinical Social Worker provider in Germantown, MD (NPI 1528466653).

Provider details

NPI number: 1528466653
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Credential: LCSW
Sex: Female
Sole proprietor: No
License: 12437 (MD)

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense 12437 (MD)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(75/100 index)

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

Registry tenure38% of score
11 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

19801 Observation Dr

Germantown, MD 20876-4070

Phone: (301) 557-6000

Street-level locationGet directions

More MD providers

Mailing address

Po Box 17112

Baltimore, MD 21297-1112

Enumerated: 2014-12-05
Last updated: 2014-12-05

Frequently asked questions

What is Carey Riordan's NPI number?: Carey Riordan's National Provider Identifier (NPI) is 1528466653, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Carey Riordan's specialty?: Carey Riordan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
Where is Carey Riordan located?: Carey Riordan's practice location on file with NPPES is 19801 Observation Dr, Germantown, MD 20876-4070.
What is Carey Riordan's phone number?: The practice phone number listed in the NPPES registry for Carey Riordan is (301) 557-6000.
Is Carey Riordan's NPI active?: Yes — Carey Riordan's NPI (1528466653) is active in the NPPES registry as of the last update on 2014-12-05.

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