Quick answers
- Where does Daniel K. Song see patients?
- Medicare's clinician data lists 2 practice locations, including Annandale, VA and Annadale, VA. Call before your visit to confirm the address.
- What is Daniel K. Song's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Daniel K. Song accept Medicare assignment?
- Yes. Medicare's clinician data says Daniel K. Song accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Daniel K. Song?
- (703) 658-7070, as listed in official Medicare / NPI Registry data.
- What is Daniel K. Song's NPI number?
- 1821570722. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Daniel K. Song is enrolled with Medicare (CMS data updated 2026-10-02).
- 7700 Little River TpkeAnnandale, VA 22003 (703) 658‑7070
- 7700 Little River Turnpike, Suite 101Annadale, VA 22003
Group practices
Medicare enrollment lists Daniel K. Song as a member of this group (CMS data updated 2026-10-02).
- Sop Song, Od PC3 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Annandale
Clinicians with the same Medicare primary specialty in Annandale, VA — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821570722 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians