What is David Mason's NPI number?

David Mason's National Provider Identifier (NPI) is 1558210278, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is David Mason's specialty?

David Mason is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).

Where is David Mason located?

David Mason's practice location on file with NPPES is 2685 Arlington Dr Apt 301, Alexandria, VA 22306-3658.

What is David Mason's phone number?

The practice phone number listed in the NPPES registry for David Mason is (202) 550-3013.

Is David Mason's NPI active?

Yes — David Mason's NPI (1558210278) is active in the NPPES registry as of the last update on 2026-02-03.

IndividualActive

David Mason

NPI 1558210278 · Case Manager/Care Coordinator · Alexandria, VA

David Mason is a Case Manager/Care Coordinator provider in Alexandria, VA (NPI 1558210278).

Provider details

NPI number: 1558210278
Entity type: Individual
Primary specialty: Case Manager/Care CoordinatorOther Service Providers
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

Case Manager/Care CoordinatorPrimary171M00000X
Other Service Providers

Profile Score

Basic profile(47/100 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

2685 Arlington Dr Apt 301

Alexandria, VA 22306-3658

Phone: (202) 550-3013

Street-level locationGet directions

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Mailing address