What is William Anderson's NPI number?

William Anderson's National Provider Identifier (NPI) is 1427999721, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Anderson's specialty?

William Anderson is listed in the NPPES registry with a primary specialty of Personal Care Attendant (Nursing Service Related Providers).

Where is William Anderson located?

William Anderson's practice location on file with NPPES is 1825 Belle Haven Dr Apt 304, Hyattsville, MD 20785-4045.

What is William Anderson's phone number?

The practice phone number listed in the NPPES registry for William Anderson is (202) 491-8074.

Is William Anderson's NPI active?

Yes — William Anderson's NPI (1427999721) is active in the NPPES registry as of the last update on 2026-04-02.

IndividualActive

William Anderson

NPI 1427999721 · Personal Care Attendant · Hyattsville, MD

William Anderson is a Personal Care Attendant provider in Hyattsville, MD (NPI 1427999721).

Provider details

NPI number: 1427999721
Entity type: Individual
Primary specialty: Personal Care AttendantNursing Service Related Providers
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

Personal Care AttendantPrimary3747P1801X
Nursing Service Related Providers

Profile Score

Basic profile(46/100 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

1825 Belle Haven Dr Apt 304

Hyattsville, MD 20785-4045

Phone: (202) 491-8074

Street-level locationGet directions

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Mailing address