Cheryl Armstrong, RN, CDE
NPI 1366723900 · Diabetes Educator Registered Nurse · San Diego, CA
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cheryl Armstrong, RN, CDE is a Diabetes Educator Registered Nurse provider in San Diego, CA (NPI 1366723900).
Provider details
- NPI number
- 1366723900
- Entity type
- Individual
- Primary specialty
- Diabetes Educator Registered NurseNursing Service Providers
- Credential
- RN, CDE
- Sex
- Female
- Sole proprietor
- Yes
- License
- 578186 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
Mailing address
Registry dates
- Enumerated
- 2011-09-08
- Last updated
- 2011-09-08
Frequently asked questions
- What is Cheryl Armstrong's NPI number?
- Cheryl Armstrong's National Provider Identifier (NPI) is 1366723900, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cheryl Armstrong's specialty?
- Cheryl Armstrong is listed in the NPPES registry with a primary specialty of Diabetes Educator Registered Nurse (Nursing Service Providers).
- Where is Cheryl Armstrong located?
- Cheryl Armstrong's practice location on file with NPPES is 8901 Activity Rd, San Diego, CA 92126-4427.
- What is Cheryl Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Cheryl Armstrong is (858) 499-2700.
- Does Cheryl Armstrong accept Medicare?
- Cheryl Armstrong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cheryl Armstrong's NPI active?
- Yes — Cheryl Armstrong's NPI (1366723900) is active in the NPPES registry as of the last update on 2011-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.