XiaoSong Mu Net Worth (Estimated)
CTO at Call9 · YC S15
Quick answer
XiaoSong Mu's estimated net worth / paper wealth is $14K (range $10K–$21K) as of 2026.
XiaoSong Mu is CTO at Call9 (YC S15). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Inactive
- Region: United States of America
- Industries: Healthcare, Healthcare Services
- Team size: 51
- Website: http://callnine.com
Who is XiaoSong Mu?
XiaoSong Mu is a founder involved with Call9, a company that provides medical services for patients in nursing homes.
Highlights:
- Y Combinator S15
- Call9
About Call9
Call9 delivers true Emergency Medicine and Palliative Care at patients' bedsides. Currently in Skilled Nursing Facilities, Call9 decreases the time patients wait to see an EM Physician from an average of 64 minutes to moments in emergency situations.
In tandem with 24/7 onsite Clinical Care Specialists*, offsite Emergency Medicine Physicians see, diagnose and treat patients at the bedside via the Call9...
Model inputs
- Stage: inactive
- Valuation tier: fallback-inactive
- Valuation note: no_discovery_sources [scale: acquired/inactive raise amount not used as 10× input]
- Research as-of: 2026-08-04
- Funding input: no public raise amount found; stage fallback valuation
FAQ: XiaoSong Mu net worth and Call9 valuation
What is XiaoSong Mu's net worth?
XiaoSong Mu's estimated net worth / paper wealth is $14K (range $10K–$21K) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.
XiaoSong Mu net worth
XiaoSong Mu's estimated net worth / paper wealth is $14K (range $10K–$21K) as of 2026. This XiaoSong Mu net worth figure is estimated paper wealth, not a verified statement of assets.
How much is XiaoSong Mu worth?
XiaoSong Mu's estimated net worth / paper wealth is $14K (range $10K–$21K) as of 2026. How much XiaoSong Mu is worth here means estimated paper wealth from public company and role data — not financial advice.
How rich is XiaoSong Mu?
XiaoSong Mu's estimated net worth / paper wealth is $14K (range $10K–$21K) as of 2026. “How rich is XiaoSong Mu” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.
XiaoSong Mu fortune
XiaoSong Mu's estimated net worth / paper wealth is $14K (range $10K–$21K) as of 2026. This XiaoSong Mu fortune figure is estimated paper wealth only, not a verified statement of assets.
XiaoSong Mu equity value
XiaoSong Mu's estimated net worth / paper wealth is $14K (range $10K–$21K) as of 2026. XiaoSong Mu equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.
What is Call9 valuation?
Call9's estimated valuation on Entrepreneurial Check is $1.0M. Independent model output, not a verified appraisal or official mark.
What is Call9 post-money valuation?
Call9's estimated valuation on Entrepreneurial Check is $1.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.
What is Call9 funding?
Call9 funding, when a public raise is available, is a model input on this Entrepreneurial Check profile. How much Call9 raised is not a complete cap table — figures are estimates only.
How much did Call9 raise?
How much Call9 raised, when disclosed, informs the estimated Call9 valuation and founder paper-wealth figures on this page. Independent estimate only — not a complete cap table or financial advice.
How much money did Call9 raise?
How much money Call9 raised, when a public figure is available, is a model input for the estimated Call9 valuation on this profile. Estimates only — not a complete cap table.
What is Call9 series funding?
Call9 series funding, when a public raise is disclosed, informs the estimated Call9 valuation here. Not a complete financing history.
What company is XiaoSong Mu building?
XiaoSong Mu is CTO at Call9, a Y Combinator-backed startup (batch S15).
What YC batch is XiaoSong Mu from?
XiaoSong Mu is associated with Y Combinator batch S15.
Where is XiaoSong Mu based?
Public directory data lists XiaoSong Mu's region as United States of America.
What industry is XiaoSong Mu in?
XiaoSong Mu is listed under Healthcare, Healthcare Services.
How big is Call9?
Public data lists Call9's team size as 51.
What is Call9's status?
Call9 is listed as Inactive in public company data.
What else is notable about XiaoSong Mu?
Y Combinator S15.
Is Entrepreneurial Check affiliated with Y Combinator?
No. Entrepreneurial Check is an independent informational site and is not affiliated with, endorsed by, or sponsored by Y Combinator or the profiled companies.