Demy Alfonso, PHD
NPI 1871420489 · Clinical Psychologist · Sandy Springs, GA
Demy Alfonso, PHD is a Clinical Psychologist provider in Sandy Springs, GA (NPI 1871420489).
Provider details
- NPI number
- 1871420489
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- No
- License
- PSY900346 (GA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
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
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
- 2026-05-06
- Last updated
- 2026-05-06
- Certified
- 2026-05-06
Frequently asked questions
- What is Demy Alfonso's NPI number?
- Demy Alfonso's National Provider Identifier (NPI) is 1871420489, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Demy Alfonso's specialty?
- Demy Alfonso is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Demy Alfonso located?
- Demy Alfonso's practice location on file with NPPES is 5461 Meridian Mark Rd, Sandy Springs, GA 30342-3007.
- What is Demy Alfonso's phone number?
- The practice phone number listed in the NPPES registry for Demy Alfonso is (404) 785-7647.
- Is Demy Alfonso's NPI active?
- Yes — Demy Alfonso's NPI (1871420489) is active in the NPPES registry as of the last update on 2026-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.