Sonja Greenfield, CPNP-PC/AC
NPI 1407254527 · Critical Care Pediatric Nurse Practitioner · Atlanta, GA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sonja Greenfield, CPNP-PC/AC is a Critical Care Pediatric Nurse Practitioner provider in Atlanta, GA (NPI 1407254527).
Provider details
- NPI number
- 1407254527
- Entity type
- Individual
- Primary specialty
- Critical Care Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CPNP-PC/AC
- Sex
- Female
- Sole proprietor
- No
- License
- 4704226713 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
- 2014-12-06
- Last updated
- 2024-01-14
- Certified
- 2024-01-14
Frequently asked questions
- What is Sonja Greenfield's NPI number?
- Sonja Greenfield's National Provider Identifier (NPI) is 1407254527, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sonja Greenfield's specialty?
- Sonja Greenfield is listed in the NPPES registry with a primary specialty of Critical Care Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sonja Greenfield located?
- Sonja Greenfield's practice location on file with NPPES is 1405 Clifton Rd Ne Fl 4, Atlanta, GA 30322-1060.
- What is Sonja Greenfield's phone number?
- The practice phone number listed in the NPPES registry for Sonja Greenfield is (404) 785-2311.
- Does Sonja Greenfield accept Medicare?
- Sonja Greenfield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sonja Greenfield's NPI active?
- Yes — Sonja Greenfield's NPI (1407254527) is active in the NPPES registry as of the last update on 2024-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.