What is Sandra Castle's NPI number?

Sandra Castle's National Provider Identifier (NPI) is 1891849717, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sandra Castle's specialty?

Sandra Castle is listed in the NPPES registry with a primary specialty of Audiologist (Speech, Language and Hearing Service Providers).

Where is Sandra Castle located?

Sandra Castle's practice location on file with NPPES is 801 Toll House Ave, Frederick, MD 21701-4564.

What is Sandra Castle's phone number?

The practice phone number listed in the NPPES registry for Sandra Castle is (301) 846-0222.

Is Sandra Castle's NPI active?

Yes — Sandra Castle's NPI (1891849717) is active in the NPPES registry as of the last update on 2008-02-18.

IndividualActive

Sandra Castle, M.ED.

NPI 1891849717 · Audiologist · Frederick, MD

Sandra Castle, M.ED. is a Audiologist provider in Frederick, MD (NPI 1891849717).

Provider details

NPI number: 1891849717
Entity type: Individual
Primary specialty: AudiologistSpeech, Language and Hearing Service Providers
Credential: M.ED.
Sex: Female
Sole proprietor: No
License: 123 (MD)

Specialties & taxonomies

AudiologistPrimary231H00000XLicense 123 (MD)
Speech, Language and Hearing Service Providers

Profile Score

Detailed profile(90/100 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

801 Toll House Ave

Unit D3

Frederick, MD 21701-4564

Phone: (301) 846-0222

Fax: (301) 846-7707

Street-level locationGet directions

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Mailing address