Gregory Seung-jun Han ✓

Gregory Seung-jun Han (@doctorhsj) is a medicine creator on Instagram based in South Korea with 141,663 followers. Full stats, audience data and collaboration pricing are below.

As of July 2026, @doctorhsj has 141,663 followers (142K) on Instagram, follows 3,019 accounts, and has published 1,287 posts. Zaver refreshes these numbers on a rolling basis.

Many creators publish a business email or contact button in their public bio. Zaver Radar surfaces those public contact details — email, phone and WhatsApp — where a creator has shared them, across millions of Instagram creators, so you can reach out from your own inbox.

@doctorhsj sits in the standard price tier on Zaver, based on follower scale, engagement and niche. Zaver's AI pricing model also produces a fair per-post price range with justification, so brands can negotiate from data instead of guessing.

Zaver does not hold or record any creator's net worth, and there's no publicly confirmed figure for @doctorhsj. Based only on 141,663 public followers in medicine, a creator at this scale could earn an estimated $1,100–$2,800 per sponsored post — an automated estimate of earning potential, not a confirmed figure, and it may be inaccurate. Actual income depends on posting cadence, deal volume and other sources.

@doctorhsj's date of birth isn't publicly confirmed on their Instagram profile, so Zaver doesn't publish an age. What's public: Gregory Seung-jun Han is a medicine creator based in South Korea with 141,663 followers.

Zaver's AI authenticity check scores @doctorhsj 99/100, based on multiple signals including engagement quality, follower growth patterns and signs of purchased followers. That indicates a predominantly genuine audience.

@doctorhsj's 142K followers skew 60% male / 40% female, core age group 25-34. Full audience breakdowns — age bands, gender split and country-level distribution — are part of @doctorhsj's report on Zaver.

Zaver lists comparable medicine creators in South Korea in the "Influencers like @doctorhsj" section on this page, matched by niche, audience size and engagement. Zaver users can also search all 11,946 vetted medicine creators with plain-English queries.