What is Calista Williams's NPI number?

Calista Williams's National Provider Identifier (NPI) is 1871992743, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Calista Williams's specialty?

Calista Williams is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).

Where is Calista Williams located?

Calista Williams's practice location on file with NPPES is 6480 Old Waterloo Rd, Elkridge, MD 21075-6508.

What is Calista Williams's phone number?

The practice phone number listed in the NPPES registry for Calista Williams is (410) 799-0291.

Is Calista Williams's NPI active?

Yes — Calista Williams's NPI (1871992743) is active in the NPPES registry as of the last update on 2023-09-04.

IndividualActive

Calista Williams, PHARM.D.

NPI 1871992743 · Pharmacist · Elkridge, MD

Calista Williams, PHARM.D. is a Pharmacist provider in Elkridge, MD (NPI 1871992743).

Provider details

NPI number: 1871992743
Entity type: Individual
Primary specialty: PharmacistPharmacy Service Providers
Credential: PHARM.D.
Sex: Female
Sole proprietor: Yes
License: 20916 (MD)

Specialties & taxonomies

PharmacistPrimary183500000XLicense 20916 (MD)
Pharmacy Service Providers

Profile Score

Detailed profile(75/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
11 yrs in NPPES 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

6480 Old Waterloo Rd

Elkridge, MD 21075-6508

Phone: (410) 799-0291

Street-level locationGet directions

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Mailing address