What is Sydney Warren's NPI number?

Sydney Warren's National Provider Identifier (NPI) is 1043019920, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sydney Warren's specialty?

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

Where is Sydney Warren located?

Sydney Warren's practice location on file with NPPES is 3300 Pennsylvania Ave Se, Washington, DC 20020-2408.

What is Sydney Warren's phone number?

The practice phone number listed in the NPPES registry for Sydney Warren is (202) 878-6626.

Is Sydney Warren's NPI active?

Yes — Sydney Warren's NPI (1043019920) is active in the NPPES registry as of the last update on 2025-08-05.

IndividualActive

Sydney Warren

NPI 1043019920 · Mental Health Counselor · Washington, DC

Sydney Warren is a Mental Health Counselor provider in Washington, DC (NPI 1043019920).

Provider details

NPI number: 1043019920
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: Yes

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
1 yr in NPPES 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

3300 Pennsylvania Ave Se

Washington, DC 20020-2408

Phone: (202) 878-6626

Street-level locationGet directions

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Mailing address