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Data updated: July 2026

Johnny Castellar Cerpa ✓

@doctor_castellar · Instagram · ES · medical-education

Followers
337K
Following
1.7K
Posts
642

About Johnny Castellar Cerpa

Johnny Castellar Cerpa is a doctor and expert in medical education, with a focus on beauty tips and skincare. He operates from Spain and has established a significant presence on Instagram, where he shares informative content related to his profession. With a follower count of 337,223, he engages his audience through various content formats including stories, reels, and long-form videos. His educational and professional tone resonates well with his audience, contributing to his high authenticity and content quality scores. Some content may require brand review.

@doctor_castellar's followers & following

337K

@doctor_castellar currently has 337,223 followers on Instagram and follows 1,686 accounts, a follower-to-following ratio of 200.01. That places the account in the mid tier of medical-education creators.

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@doctor_castellar's content

642

@doctor_castellar has published 642 posts to date, working across stories, reels, static-posts, long-form-video. The account's content is classified under medical-education, beauty-tips, skincare. Bio: “Founder @castellar_clinic 📍Barcelona - Madrid Llamadas y WhatsApp 610 41 86 55 👨🏻‍⚕️ Cirujano 💉 Experto en armonización facial y BLEFA…”

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AI quality check on @doctor_castellar

95/100High 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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@doctor_castellar's rankings on Zaver

353rdin medical-educationof 5,379 vetted creatorsSee full ranking →2,496thin Spainof 23,519 vetted creatorsSee full ranking →

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

@doctor_castellar's audience

Audience snapshot

30% male · 70% female

Core age group25-34

The audience skews slightly male at 30%, with a primary age range of 25-34 years. The top geographic location for his followers is Spain, indicating a localized interest in his medical and beauty-related content.

Collaboration pricing

Price tierPremium

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Which brands fit Johnny Castellar Cerpa?

Brands in the medical, beauty, and skincare sectors are well-suited for collaboration with Johnny Castellar Cerpa. His expertise and authoritative voice in medical education make him a credible partner for brands looking to reach an audience interested in health and beauty.

Frequently asked questions

How many Instagram followers does @doctor_castellar have?

As of July 2026, @doctor_castellar has 337,223 followers (337K) on Instagram, follows 1,686 accounts, and has published 642 posts. Zaver refreshes these numbers on a rolling basis.

How do I contact @doctor_castellar?

Verified contact details for @doctor_castellar — 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 @doctor_castellar's contact info — free trial →

How much does @doctor_castellar charge for a sponsored post?

@doctor_castellar 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 @doctor_castellar's net worth?

@doctor_castellar's net worth isn't publicly verified, and Zaver doesn't estimate personal wealth. What can be assessed is sponsored-post earning potential: with 337K 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 @doctor_castellar have fake followers?

Zaver's AI authenticity check scores @doctor_castellar 95/100, 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 @doctor_castellar?

@doctor_castellar's 337K followers skew 30% male / 70% female, core age group 25-34. Full audience breakdowns — age bands, gender split and country-level distribution — are part of @doctor_castellar's report on Zaver.

Which influencers are similar to @doctor_castellar?

Zaver lists comparable medical-education creators in Spain in the "Influencers like @doctor_castellar" 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?

Johnny Castellar Cerpa has 337,223 followers.

What is the engagement rate?

The engagement rate is currently not available.

What is the collaboration pricing?

Collaboration pricing falls within the premium tier, though it can vary based on specific campaign details.

What is the content niche?

His primary niche is medical education, with secondary niches in beauty tips and skincare.