What is Mary Warren's NPI number?

Mary Warren's National Provider Identifier (NPI) is 1427855683, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mary Warren's specialty?

Mary Warren is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).

Where is Mary Warren located?

Mary Warren's practice location on file with NPPES is 9701 Apollo Dr Ste 100, Upper Marlboro, MD 20774-4785.

What is Mary Warren's phone number?

The practice phone number listed in the NPPES registry for Mary Warren is (301) 456-4787.

Is Mary Warren's NPI active?

Yes — Mary Warren's NPI (1427855683) is active in the NPPES registry as of the last update on 2025-02-26.

IndividualActive

Mary Warren

NPI 1427855683 · Behavior Technician · Upper Marlboro, MD

Mary Warren is a Behavior Technician provider in Upper Marlboro, MD (NPI 1427855683).

Provider details

NPI number: 1427855683
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Behavior TechnicianPrimary106S00000X
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

9701 Apollo Dr Ste 100

Upper Marlboro, MD 20774-4785

Phone: (301) 456-4787

Street-level locationGet directions

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Mailing address