What is Silvia Williams's NPI number?

Silvia Williams's National Provider Identifier (NPI) is 1639297237, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Silvia Williams's specialty?

Silvia Williams is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).

Where is Silvia Williams located?

Silvia Williams's practice location on file with NPPES is 2300 Dulaney Valley Rd, Timonium, MD 21093-2739.

What is Silvia Williams's phone number?

The practice phone number listed in the NPPES registry for Silvia Williams is (410) 252-4700.

Is Silvia Williams's NPI active?

Yes — Silvia Williams's NPI (1639297237) is active in the NPPES registry as of the last update on 2025-10-21.

IndividualActive

Silvia Williams, M.D.

NPI 1639297237 · Specialist · Timonium, MD

Silvia Williams, M.D. is a Specialist provider in Timonium, MD (NPI 1639297237).

Provider details

NPI number: 1639297237
Entity type: Individual
Primary specialty: SpecialistOther Service Providers
Credential: M.D.
Sex: Female
Sole proprietor: No
License: D0054416 (MD)

Specialties & taxonomies

SpecialistPrimary174400000XLicense D0054416 (MD)
Other Service Providers

Profile Score

Detailed profile(89/100 index)

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

Registry tenure38% of score
19 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

2300 Dulaney Valley Rd

Timonium, MD 21093-2739

Phone: (410) 252-4700

Fax: (410) 252-3040

Street-level locationGet directions

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Mailing address