Sonia Altaf
NPI 1942856794 · Clinical Social Worker · Fairfax, VA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sonia Altaf is a Clinical Social Worker provider in Fairfax, VA (NPI 1942856794).
Provider details
- NPI number
- 1942856794
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 0904011105 (VA)
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
6 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
- 2019-08-16
- Last updated
- 2020-09-22
- Certified
- 2020-09-22
Frequently asked questions
- What is Sonia Altaf's NPI number?
- Sonia Altaf's National Provider Identifier (NPI) is 1942856794, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sonia Altaf's specialty?
- Sonia Altaf is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Sonia Altaf located?
- Sonia Altaf's practice location on file with NPPES is 8221 Willow Oaks Corporate Dr, Fairfax, VA 22031-4512.
- What is Sonia Altaf's phone number?
- The practice phone number listed in the NPPES registry for Sonia Altaf is (703) 559-5000.
- Does Sonia Altaf accept Medicare?
- Sonia Altaf is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sonia Altaf's NPI active?
- Yes — Sonia Altaf's NPI (1942856794) is active in the NPPES registry as of the last update on 2020-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.