What is William Anderson's NPI number?

William Anderson's National Provider Identifier (NPI) is 1871423350, 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 Registered Nurse (Nursing Service Providers).

Where is William Anderson located?

William Anderson's practice location on file with NPPES is 429 Red Birch Rd, Millersville, MD 21108-1483.

What is William Anderson's phone number?

The practice phone number listed in the NPPES registry for William Anderson is (410) 855-3432.

Is William Anderson's NPI active?

Yes — William Anderson's NPI (1871423350) is active in the NPPES registry as of the last update on 2026-05-19.

IndividualActive

William Anderson, RN

NPI 1871423350 · Registered Nurse · Millersville, MD

William Anderson, RN is a Registered Nurse provider in Millersville, MD (NPI 1871423350).

Provider details

NPI number: 1871423350
Entity type: Individual
Primary specialty: Registered NurseNursing Service Providers
Credential: RN
Sex: Male
Sole proprietor: Yes
License: R276006 (MD)

Specialties & taxonomies

Registered NursePrimary163W00000XLicense R276006 (MD)
Nursing Service Providers

Profile Score

Established profile(53/100 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
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

429 Red Birch Rd

Millersville, MD 21108-1483

Phone: (410) 855-3432

Street-level locationGet directions

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Mailing address