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Tiber Health wants to solve the world’s doctor shortage

The medical school in Ponce, Puerto Rico seems like an unlikely place to start a revolution in education.

While it may look unassuming, with its campus bordered by empty lots, low slung buildings, auto body shops and the freeway, Ponce Health Sciences University is ground zero for an experiment in education that could radically transform the way medicine is taught.

It’s there, a few miles from a Hilton coastal beach resort on the southern part of the island that the investment firm, University Ventures, and its portfolio company Tiber Health, a public benefit corporation launched earlier this year, have planted a flag for a technology-enabled curriculum that the company claims can combat one of the world’s growing problems — a shortage of doctors.

By 2025, the U.S. could find itself needing somewhere between 14,900 and 35,600 primary care physicians. Staffing shortfalls for certain specialists could reach between 37,400 and 60,300 physicians over the same period, according to a study by the Association of American Medical Colleges.

“These updated projections confirm that the physician shortage is real, it’s significant, and the nation must begin to train more doctors now if patients are going to be able to receive the care they need when they need it in the near future,” said AAMC President and CEO Darrell G. Kirch, MD, in a statement when the initial study was released in 2016.

Rural parts of the country are increasingly becoming “healthcare deserts“, areas where there aren’t enough physicians to treat the needs of existing populations in the towns that dot the midwest and the desert southwest. And it’s a problem that’s especially acute in lower-income communities around the country.

Another pressing issue, is the overall homogeneity of the medical profession in the U.S. An increasingly diverse population is seeing its needs met by an overwhelmingly white pool of doctors.

Here, more data from the AAMC is illustrative.

Percentages of medical school graduates by race and ethnicity have remained consistent over time. Whites (58.8%) and Asians (19.8%) continue to represent the largest proportion of medical school graduates, with the two groups composing more than three-quarters of medical students graduating in 2015. Also for 2015, Whites make up 47.8% of applicants and 51.2% of matriculants and remain the majority of graduates. The 2015 medical school graduates comprise 5.7% Black or African Americans and 4.6% Hispanic or Latinos.

More diversity in the profession may allow hospitals to avoid the nightmare scenario that befell Willie Ramirez in 1980.

After cruising around South Florida on a January night, Ramirez began complaining of a headache to his friend. As his symptoms worsened he made his way to his girlfriend’s house, where he blacked out. Ramirez, comatose, was taken by ambulance to a hospital in South Florida. During the two days he lay comatose, a misdiagnosis of a brain hemorrhage as a drug overdose left him a quadriplegic.

The reason for the misdiagnosis? The physicians who admitted Ramirez didn’t understand the colloquial Spanish his girlfriend and her mother were using to describe his condition.


OB/GYN deserts: Lines start at regular intervals (every 20 miles) and end at the nearest location where an OB/GYN practices (Source: Amino health)


If the issue seems bad in the U.S., the problems are even worse globally. In Uganda, the lack of skilled healthcare workers is a matter of life-or-death. 17 mothers and 106 newborns die daily because of lack of access to proper treatment and trained professionals, according to an estimate from the White Ribbon Alliance, an advocacy group.

In China, the last count put the number of general practitioners in the country at 189,000. And even with the government pushing to hit 300,000 GPs by 2020 that still means there would only be 0.2 family doctors for every 1,000 people.

What makes this dearth of doctors even more troubling is that problems around access to healthcare will likely be compounded by the increasing needs of an aging population (old people tend to be more sick).

Venture investors have spent loads and loads of dollars trying to find new technology-enabled solutions to mind the gaps in the global healthcare system. By the end of July, venture investors were on track to spend over $6 billion on healthcare investments and may top the $7.5 billion that they poured into the category in 2015, according to a report from Silicon Valley Bank.

Many of these deals are aiming to replace doctors with elaborate artificial intelligences, chatbots, and even robots to address the need for new physicians, but University Ventures and Tiber Health are taking Occam’s razor to the problem by backing a company that uses technology to better train more doctors.

Tiber’s academic solution to the very non-academic problem of getting more people access to adequate healthcare has its roots in lessons learned (and taught) some 1,600 miles north of Ponce, in the lecture halls of Touro Medical College in New York City.

That was where, in 2007, Daniel Pianko, one of the co-founders of University Ventures, met Dr. David Lenihan, the founder and chief executive of Tiber Health who was working as the Associate Dean of the Touro College of Osteopathic Medicine.

Previously, Lenihan founded a system of outpatient clinics in the UK after receiving a Ph.D. in Peripheral Neuroscience from the University of Edinburgh, where he was also a peripheral nerve surgical fellow, a Doctor of Chiropractic from Palmer University.

“Dave was showing me his nascent system (this is almost 10 years ago, he’s an associate dean at Touro which is a new, upstart feeling medical school) and he’s got these binders full of data… Probably enough paper to hit the ceiling,” Pianko recalled. “And I ask ‘What does all the information mean?’  And he walks me over to this big white board where he has a massive formula. He starts running through statistical models and [Kuder-Richardson] formulas of how to predict whether someone can pass their medical boards.  He lost me quickly and I joked: so what are you a mathematician too?  And his response: “well I did major in math.”

The idea sketched out on that humble white board (pictured left) still remains the core of the Tiber Health project.

Lenihan’s thesis is twofold. The first is that medical schools are looking at the wrong signals to determine who they accept. And once accepted, university resources are misallocated by focusing on having professors lecturing to students instead of providing more interactive and practical examples of lessons in the classroom.


Lenihan first began changing admissions guidelines and teaching practices at Touro. He expanded the number of students admitted to the medical school and told teachers to start recording their lectures and distributing them before class.

In the classroom students were quizzed and assessed on their ability to understand and retain the material. It allowed teachers to identify areas where students were falling behind and begin tailoring the lessons to meet individual students’ needs. This new teaching paradigm also let educators determine who would be best pursuing a different path in their studies of medicine. Underperforming students could be referred to nursing school or technical fields where they could still become health care professionals (even if working as a doctor was beyond their ability).

With the success these education innovations had at Touro (admissions were up, students were being accepted into top residency programs, and in-class performance was up across the board), Lenihan began looking for a way to expand on his innovations.

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