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    <div id="root" data-path="/pasadena/dr-mark-hoffman-md" data-day="2026-10-13"><div class="app app--wide app--listing"><a class="skip" href="#content">Skip to content</a><header class="bar"><div class="bar__start"><a class="bar__home" href="/"><svg class="mark" width="26" height="26" viewBox="0 0 32 32" aria-hidden="true"><rect width="32" height="32" rx="9" fill="var(--mark-bg)"></rect><circle cx="16" cy="14" r="6" fill="var(--camp)"></circle><path d="M5 21.5c2.2 0 2.2-1.6 4.4-1.6s2.2 1.6 4.4 1.6 2.2-1.6 4.4-1.6 2.2 1.6 4.4 1.6 2.2-1.6 4.4-1.6" fill="none" stroke="var(--tutoring)" stroke-width="2.2" stroke-linecap="round"></path><path d="M8 25.5c2 0 2-1.3 4-1.3s2 1.3 4 1.3 2-1.3 4-1.3 2 1.3 4 1.3" fill="none" stroke="var(--afterschool)" stroke-width="2.2" stroke-linecap="round"></path></svg><span class="bar__name">Summerground</span></a></div><nav class="bar__end" aria-label="Site"><div class="menu"><button type="button" class="bar__link menu__button" aria-expanded="false" aria-controls="resources">Resources<svg viewBox="0 0 12 12" aria-hidden="true"><path d="M3 4.5 6 7.5l3-3"></path></svg></button><div class="menu__panel" id="resources" hidden=""><a class="menu__item" href="/guides"><strong>Guides</strong><span>Therapy, testing, schools and camps for kids with special needs in LA</span></a><a class="menu__item" href="/about"><strong>About</strong><span>What <!-- -->Summerground<!-- --> is, and where its listings come from</span></a></div></div><a class="bar__link bar__link--in" href="/account">Sign in</a></nav></header><div class="layout"><div class="panel"><main id="content"><article class="listing" data-type="health"><div class="listing__top"><a class="back" href="/" data-back=""><svg viewBox="0 0 16 16" aria-hidden="true"><path d="M10 3 5 8l5 5"></path></svg>Magic Search</a></div><div class="picture picture--drawn" data-group="health" style="aspect-ratio:2"><svg viewBox="0 0 300 150" preserveAspectRatio="xMidYMid slice" aria-hidden="true"><circle cx="234" cy="33" r="51.00000000000001" class="picture__blob"></circle><circle cx="54" cy="129" r="39" class="picture__blob"></circle><g class="picture__faint" transform="translate(24 15) rotate(-15) scale(1.1024999999999998)"><path d="M6 3v6a4 4 0 0 0 8 0V3M10 13v3a5 5 0 0 0 10 0v-2M20 14a2 2 0 1 0 0-4 2 2 0 0 0 0 4z"></path></g><g class="picture__faint" transform="translate(240 102.00000000000001) rotate(20) scale(1.1024999999999998)"><path d="M6 3v6a4 4 0 0 0 8 0V3M10 13v3a5 5 0 0 0 10 0v-2M20 14a2 2 0 1 0 0-4 2 2 0 0 0 0 4z"></path></g><g class="picture__icon" transform="translate(118.5 43.5) rotate(-16 31.5 31.5) scale(2.625)"><path d="M6 3v6a4 4 0 0 0 8 0V3M10 13v3a5 5 0 0 0 10 0v-2M20 14a2 2 0 1 0 0-4 2 2 0 0 0 0 4z"></path></g></svg></div><header class="listing__head"><p class="kicker"><span class="dots"><span class="dot dot--health"></span></span>Pediatrician<!-- --> · <!-- -->Pasadena</p><h1>Dr. Mark Hoffman, MD</h1><p class="listing__summary">Pediatric care at 401 South Fair Oaks Avenue in Pasadena, with two physicians listed at the office.</p><dl class="facts"><div><dt>Ages</dt><dd>Up to age 18</dd></div><div><dt>Price</dt><dd>Ask the provider</dd></div><div><dt>Where</dt><dd>401 S Fair Oaks Ave, Pasadena</dd></div></dl></header><section class="program" id="pediatrics"><h2>Pediatrics</h2><p class="program__meta">Up to age 18</p><p>Pediatric care at 401 South Fair Oaks Avenue in Pasadena, ZIP 91105, in a practice listed under Dr. Mark Hoffman, MD. The national provider registry lists two physicians at this address, Dr. Mark Hoffman and Dr. Claudia Pfeil, MD, and no nurse practitioners. The office is registered as a pediatric practice, so it serves children and teens, and the phone line is (626) 755-3642.</p><ul class="program__when"><li>Pediatrics</li><li>Dr. Mark Hoffman, MD and Dr. Claudia Pfeil, MD</li><li>Kind of care<!-- -->: <!-- -->Conventional medicine or dentistry</li></ul><ul class="program__notes"></ul></section><section class="provider"><h2>About <!-- -->Dr. Mark Hoffman, MD</h2><p>Dr. Mark Hoffman, MD is a pediatric practice in Pasadena at 401 South Fair Oaks Avenue. The national NPI provider registry lists Dr. Mark Hoffman and Dr. Claudia Pfeil, MD at this address, and classifies the office as pediatric care.</p></section><section class="where"><h2>Where and how to reach them</h2><address>401 S Fair Oaks Ave<br/>Pasadena, CA 91105</address><ul class="links"><li><a href="https://www.google.com/maps/dir/?api=1&amp;destination=Dr.%20Mark%20Hoffman%2C%20MD%2C%20401%20S%20Fair%20Oaks%20Ave%2C%20Pasadena%2C%20CA%2091105" rel="noopener" target="_blank">Directions</a></li><li><a href="tel:+16267553642">(626) 755-3642</a></li></ul></section><p class="source">Details from NPPES NPI registry, September 2026<!-- -->, checked October 9, 2026<!-- -->. Prices, dates and spaces change: check with <!-- -->Dr. Mark Hoffman, MD<!-- --> <!-- -->before you sign up. <!-- -->Something wrong or missing? Write to <a href="mailto:hello@summerground.com">hello@summerground.com</a>.</p><section class="listing__more"><h2>Similar <!-- -->doctors, dentists and therapists<!-- --> nearby</h2><ol class="items items--map"><li class="item item--map" data-type="health"><div class="picture picture--drawn" data-group="health" style="aspect-ratio:1"><svg viewBox="0 0 300 300" preserveAspectRatio="xMidYMid slice" aria-hidden="true"><circle cx="234" cy="66" r="102.00000000000001" class="picture__blob"></circle><circle cx="54" cy="258" r="78" class="picture__blob"></circle><g class="picture__faint" transform="translate(24 30) rotate(-15) scale(2.2049999999999996)"><path d="M6 3v6a4 4 0 0 0 8 0V3M10 13v3a5 5 0 0 0 10 0v-2M20 14a2 2 0 1 0 0-4 2 2 0 0 0 0 4z"></path></g><g class="picture__faint" transform="translate(240 204.00000000000003) rotate(20) scale(2.2049999999999996)"><path d="M6 3v6a4 4 0 0 0 8 0V3M10 13v3a5 5 0 0 0 10 0v-2M20 14a2 2 0 1 0 0-4 2 2 0 0 0 0 4z"></path></g><g class="picture__icon" 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