United States
Mccallmcphersonpa is a creator with a presence on YouTube (15,400 followers), Instagram (206,065 followers), TikTok (388,000 followers), based in United States.
Total Followers +2.1%
609K
Across YouTube, Instagram, TikTok
Primary Platform
YouTube
15K followers · 3% of audience
Engagement
4.9%
vs. 1.5% category median
Sponsorship Tier
Mid
Est. $4.1K–$10K / IG post
Fortune ran a feature on McPherson's origin story and business growth, noting Modern Thyroid Clinic now employs nearly 40 people and operates across 48 states, with lower-mid eight-figure revenue projected for the year.
The clinic landed on the Inc. 5000 list of fastest-growing companies in both 2025 and 2026. McPherson was also named to Inc.'s Female Founders 500 list in 2025.
The science-based thyroid guide, with an introduction by Izabella Wentz PharmD, is available for preorder and positions McPherson's patient-centered methodology for a mainstream audience.
| Window | YouTube | TikTok | Combined | |
|---|---|---|---|---|
| Last 7 days | +100 +0.7% | +2K +0.8% | +543 +0.1% | +2K |
| Last 30 days | +397 +2.6% | +9K +4.4% | +3K +0.8% | +13K |
| Last 90 days | +844 +5.5% | +22K +10.8% | +10K +2.6% | +33K |
| Last 365 days | +844 +5.5% | +22K +10.8% | +10K +2.6% | +33K |
Daily follower snapshots from CreatorDB's longitudinal index.
| Brand | Type | Platform | Date | Performance vs. baseline |
|---|---|---|---|---|
| ENERGYbits Sponsorship | Sponsored content | YouTube | Aug 2025 | — |
| Modern Thyroid Clinic Health / Medical | Founder / owned brand | Long-term | — | |
| Modern Weight Loss Health / Wellness | Founder / owned brand | Long-term | — |
Mccallmcphersonpa is a creator with a presence on YouTube (15,400 followers), Instagram (206,065 followers), TikTok (388,000 followers), based in United States. Their content sits in the health & wellness space. Their YouTube bio reads: "Founder @modernthyroid @modern_weight_loss•Host @modernthyroidwellness #Hypothyroidism + #Hashimotos Expert•Special Needs Mom • International Speaker". The full audience and engagement breakdown is below.
Mccallmcphersonpa reaches an audience concentrated in United States primarily through YouTube, and is best activated via long-form YouTube integrations, Instagram Reels and Stories, TikTok branded content. Their sponsorship history skews toward Health / Medical, Health / Wellness, a clear signal of fit for brands in those categories. Demonstrated partners include ENERGYbits and Modern Thyroid Clinic. Engagement on YouTube runs around 4.9%, which points to an audience better suited to category-relevant, mid-funnel campaigns than to pure-reach buys. The channel's mix of long-form YouTube integrations and Instagram Reels and Stories lets a sponsor choose between short awareness placements and longer, more detailed integrations. Because the audience follows health content rather than arriving through untargeted reach, sponsorships that match the channel's subject matter tend to convert more efficiently than broad placements. A consistent, on-topic posting focus gives sponsors a predictable, brand-safe environment, lowering placement risk compared with broad, general-interest channels. Campaigns here are best measured on qualified engagement and consideration within the niche rather than on raw impression volume. For United States-focused brands in Health / Medical and related categories, Mccallmcphersonpa offers a defined, creative-fit audience rather than broad, low-intent impressions.
Benchmark estimates for a creator at Mccallmcphersonpa's tier (Mid, 609K combined followers, United States). Pulled from CreatorDB's category benchmarks.
The CreatorDB Agency runs end-to-end influencer campaigns globally — shortlisting, outreach, contracting, and performance reporting. Talk to our team about building a campaign around creators in this niche.
McCall McPherson is a PA-C, meaning she is a certified Physician Assistant — not an MD or DO. She specializes in thyroid disease and founded Modern Thyroid Clinic on the basis of that clinical background. Her PA-C credentials are central to how she positions her authority on hypothyroidism and Hashimoto's content across her platforms.
Take Back Your Thyroid is McCall McPherson's book designed to help patients better understand and manage hypothyroidism and Hashimoto's thyroiditis. She announced it for preorder through her TikTok and social channels, framing it as an extension of her clinical and patient-advocacy work. The book is consistent with her mission of educating people who feel dismissed or undertreated by conventional medicine.
Modern Thyroid Clinic is a thyroid-focused medical practice founded by McCall McPherson. She also runs a connected brand called Modern Weight Loss and hosts the Modern Thyroid Wellness podcast under the same umbrella. The clinic reflects her functional medicine approach to treating hypothyroidism and Hashimoto's thyroiditis.
McCall McPherson has made videos specifically questioning whether levothyroxine — the most widely prescribed thyroid drug — is the reason many patients still feel unwell despite treatment. She explores whether the issue is the medication itself, incorrect dosing, or an unaddressed T4-to-T3 conversion problem. This is one of the most recurring themes across her TikTok and YouTube content.
McCall McPherson has created content addressing whether certain patients can reduce or discontinue thyroid medication, particularly some individuals with Hashimoto's thyroiditis. She frames it as a case-by-case clinical possibility rather than a blanket recommendation, and consistently advises working with a qualified provider. Posts on this topic have been among her most widely shared.
Modern Thyroid Wellness is a podcast hosted by McCall McPherson, accessible through the @modernthyroidwellness handle. It extends her short-form video content into longer conversations about thyroid disease management, Hashimoto's, and functional medicine approaches. It is part of the broader Modern Thyroid brand she has built alongside her clinic, social platforms, and courses.
GLP-1 medications are part of McCall McPherson's content, reflected in her consistent use of the #glp1 hashtag alongside her thyroid-specific tags. She covers the overlap between GLP-1 drugs and thyroid function, which is a natural intersection given how thyroid disorders affect metabolism and weight. This positions her at the crossroads of two of the biggest conversations in health and wellness media right now.
McCall McPherson covers early symptoms such as fatigue, brain fog, hair loss, unexplained weight changes, and cold intolerance in her short-form video content. She frequently argues these signs are dismissed or misattributed in conventional medical settings, which is a core pillar of her patient-advocacy message. Her goal is to help viewers recognize patterns before they ever receive a formal diagnosis.
ENERGYbits is a spirulina and algae-based supplement brand that has sponsored McCall McPherson's YouTube content. The partnership is a natural fit given ENERGYbits' positioning as a whole-food, nutrient-dense supplement and McCall McPherson's functional medicine and anti-inflammatory approach to thyroid health. It is one of the named brand sponsorships associated with her channel.
Yes, McCall McPherson lists Special Needs Mom directly in her Instagram bio alongside her credentials as a PA-C, clinic founder, and international speaker. While her family life is not the primary focus of her content, she openly claims that identity as part of who she is. It is a personal detail that adds depth to her patient-advocate persona and resonates with many followers navigating complex health situations.
Stats (followers, engagement, audience demographics, growth) are pulled live from the CreatorDB API covering YouTube, Instagram and TikTok. Bio and FAQ content is AI-assisted; news items are sourced from cited public press at generation time. Read the full methodology →
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