What is Rachel Armstrong's NPI number?

Rachel Armstrong's National Provider Identifier (NPI) is 1821937798, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Rachel Armstrong's specialty?

Rachel Armstrong is listed in the NPPES registry with a primary specialty of Military Health Care Provider (Other Service Providers).

Where is Rachel Armstrong located?

Rachel Armstrong's practice location on file with NPPES is 3551 Roger Brooke Dr, San Antonio, TX 78234-4504.

What is Rachel Armstrong's phone number?

The practice phone number listed in the NPPES registry for Rachel Armstrong is (210) 916-6500.

Is Rachel Armstrong's NPI active?

Yes — Rachel Armstrong's NPI (1821937798) is active in the NPPES registry as of the last update on 2026-03-26.

IndividualActive

Rachel Armstrong

NPI 1821937798 · Military Health Care Provider · San Antonio, TX

Rachel Armstrong is a Military Health Care Provider provider in San Antonio, TX (NPI 1821937798).

Provider details

NPI number: 1821937798
Entity type: Individual
Primary specialty: Military Health Care ProviderOther Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Military Health Care ProviderPrimary171000000X
Other Service 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

3551 Roger Brooke Dr

San Antonio, TX 78234-4504

Phone: (210) 916-6500

Street-level locationGet directions

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Mailing address