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Data updated: July 2026

Sergio Belczak ✓

@belczak · Instagram · BR · medical-education

Followers
30K
Following
1.3K
Posts
1.8K

About Sergio Belczak

Sergio Belczak is a doctor and educator specializing in medical education, medicine, and public health. With a robust following of 30,451 on Instagram, he shares informative content aimed at enhancing public understanding of health-related topics. His posts include long-form videos, static images, carousels, and reels, all designed to educate and inform his audience. His authoritative and professional tone reflects his extensive academic background, including a doctorate and post-doctorate from FMUSP. Some content may require brand review.

@belczak's followers & following

30K

@belczak currently has 30,451 followers on Instagram and follows 1,292 accounts, a follower-to-following ratio of 23.57. That places the account in the micro tier of medical-education creators.

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@belczak's content

1.8K

@belczak has published 1,759 posts to date, working across long-form-video, static-posts, carousels, reels. The account's content is classified under medical-education, medicine, public-health. Bio: “Grupo Belczak de saúde e ensino. Doutorado e Pós-doutorado FMUSP. Autor de 13 livros.”

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AI quality check on @belczak

98/100High authenticity

Zaver's AI analyzed this account across 20+ parameters before listing it publicly. No blocking issues were detected in our standard screening.

  • Audience location & demographics
  • Engagement quality & authenticity
  • Follower growth patterns
  • Signs of purchased followers
  • Content niche classification
  • Brand safety screening
  • Posting activity & consistency
  • Language & audience fit
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@belczak's rankings on Zaver

2,877thin medical-educationof 5,379 vetted creatorsSee full ranking →58,441stin Brazilof 89,358 vetted creatorsSee full ranking →

Based on follower count among creators that passed Zaver's indexing quality bar.

@belczak's audience

Audience snapshot

50% male · 50% female

Core age group25-34

The audience is evenly split in gender, with a male skew of 0.5, and primarily falls within the 25-34 age range. The top geographic location for his followers is Brazil, indicating a localized engagement.

Collaboration pricing

Price tierPremium

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Which brands fit Sergio Belczak?

Sergio Belczak aligns well with brands in the health, wellness, and educational sectors. His authoritative voice and focus on medical topics make him a suitable partner for companies looking to promote health-related products or educational initiatives.

Frequently asked questions

How many Instagram followers does @belczak have?

As of July 2026, @belczak has 30,451 followers (30K) on Instagram, follows 1,292 accounts, and has published 1,759 posts. Zaver refreshes these numbers on a rolling basis.

How do I contact @belczak?

Verified contact details for @belczak — including business email where available — are held in Zaver, alongside contacts for 77M+ other Instagram creators. Zaver users can unlock them instantly and reach out with AI-personalized outreach. Unlock @belczak's contact info — free trial →

How much does @belczak charge for a sponsored post?

@belczak sits in the premium 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. Get the AI fair-price estimate →

What is @belczak's net worth?

@belczak's net worth isn't publicly verified, and Zaver doesn't estimate personal wealth. What can be assessed is sponsored-post earning potential: with 30K followers and a premium price tier in medical-education, brand collaborations are a meaningful income stream — Zaver's AI pricing model estimates what each placement is worth. See the earning-potential estimate →

Does @belczak have fake followers?

Zaver's AI authenticity check scores @belczak 98/100, based on 20+ signals including engagement quality, follower growth patterns and signs of purchased followers. That indicates a predominantly genuine audience. Run the full authenticity check →

Who follows @belczak?

@belczak's 30K followers skew 50% male / 50% female, core age group 25-34. Full audience breakdowns — age bands, gender split and country-level distribution — are part of @belczak's report on Zaver.

Which influencers are similar to @belczak?

Zaver lists comparable medical-education creators in Brazil in the "Influencers like @belczak" section on this page, matched by niche, audience size and engagement. Zaver users can also search all 5,379 vetted medical-education creators with plain-English queries.

What is the follower count?

Sergio Belczak has 30,451 followers.

What is the engagement rate?

Engagement rate data is not available.

What is the collaboration pricing?

Collaboration pricing is estimated to be in the premium tier.

What is the content niche?

Sergio primarily focuses on medical education, with secondary niches in medicine and public health.