Mark D Siegel MD
@markdsiegelmd.bsky.social
Lucky husband, father of three spectacular daughters, PCCM physician, opinions my own.
Today’s the day to say it. You don’t have to look far to see how immigrants contribute to medical science, education, and clinical care.
open.substack.com/pub/siegelma...
open.substack.com/pub/siegelma...
Program Director's Note - My Immigrant Family
What immigrants give to America
open.substack.com
September 21, 2025 at 4:15 PM
Today’s the day to say it. You don’t have to look far to see how immigrants contribute to medical science, education, and clinical care.
open.substack.com/pub/siegelma...
open.substack.com/pub/siegelma...
Consider adding your name to this essential letter.
“We, the undersigned, stand in opposition to the Trump administration’s targeting of college students and professors whose only “crimes” are exercising their First Amendment rights.”
usjewsopposingdeportations.org/add-your-name/
“We, the undersigned, stand in opposition to the Trump administration’s targeting of college students and professors whose only “crimes” are exercising their First Amendment rights.”
usjewsopposingdeportations.org/add-your-name/
Add Your Name -
We, the undersigned, stand in opposition to the Trump administration’s targeting of college students and professors whose only “crimes” are exercising their First Amendment rights. We write, specifica...
usjewsopposingdeportations.org
September 19, 2025 at 2:42 AM
Consider adding your name to this essential letter.
“We, the undersigned, stand in opposition to the Trump administration’s targeting of college students and professors whose only “crimes” are exercising their First Amendment rights.”
usjewsopposingdeportations.org/add-your-name/
“We, the undersigned, stand in opposition to the Trump administration’s targeting of college students and professors whose only “crimes” are exercising their First Amendment rights.”
usjewsopposingdeportations.org/add-your-name/
Thank you, @kaminskimed.bsky.social, I've signed too. "Never again" should mean "never again to anyone." Both professionally and morally, it is our responsibility to speak up. Yes, please join us...
#SilenceIsComplicity
#SilenceIsComplicity
>200 Jewish professionals in medicine, public health and related fields signed this letter:
We cannot stay silent in the face of Genocide in Gaza.
Our ethics & our tradition bind us to defend life & dignity. #SilenceIsComplicity.
I am one of them. Join us!!
forms.gle/auVedYZBYf5g...
We cannot stay silent in the face of Genocide in Gaza.
Our ethics & our tradition bind us to defend life & dignity. #SilenceIsComplicity.
I am one of them. Join us!!
forms.gle/auVedYZBYf5g...
End the Genocide in Gaza: A Public Letter from Jewish Health Professionals
As Jewish professionals in medicine, public health, and related fields, we cannot remain silent in the face of a genocide being carried out against the Palestinians in Gaza by the state of Israel. Our...
forms.gle
September 17, 2025 at 2:09 PM
Thank you, @kaminskimed.bsky.social, I've signed too. "Never again" should mean "never again to anyone." Both professionally and morally, it is our responsibility to speak up. Yes, please join us...
#SilenceIsComplicity
#SilenceIsComplicity
Day 1 for our interns is 6/21. What can we expect of them? open.substack.com/pub/siegelma...
Program Director's Notes - What We Expect From Our Interns
Thanks for reading!
open.substack.com
June 16, 2025 at 11:52 AM
Day 1 for our interns is 6/21. What can we expect of them? open.substack.com/pub/siegelma...
Program Director's Note - About Those Signals
Pro tips on applying to residency and fellowship
open.substack.com/pub/siegelma...
Pro tips on applying to residency and fellowship
open.substack.com/pub/siegelma...
Program Director's Note - About Those Signals
Thanks for reading!
open.substack.com
May 18, 2025 at 5:03 PM
Program Director's Note - About Those Signals
Pro tips on applying to residency and fellowship
open.substack.com/pub/siegelma...
Pro tips on applying to residency and fellowship
open.substack.com/pub/siegelma...
Program Director’s Note - Learning Climate According to Mom
A Mother's Day Message
open.substack.com/pub/siegelma...
A Mother's Day Message
open.substack.com/pub/siegelma...
Program Director’s Note - Learning Climate According to Mom
A Mother's Day Note
open.substack.com
May 11, 2025 at 12:40 PM
Program Director’s Note - Learning Climate According to Mom
A Mother's Day Message
open.substack.com/pub/siegelma...
A Mother's Day Message
open.substack.com/pub/siegelma...
Reposted by Mark D Siegel MD
Subscribe to my new Substack to read my weekly Program Director’s Notes and more!
substack.com/@siegelmarkd...
substack.com/@siegelmarkd...
Mark D. Siegel, M.D. on Substack
Subscribe to my Substack to read weekly letters to my internal medicine residents. All welcome!
substack.com
March 30, 2025 at 5:20 PM
Subscribe to my new Substack to read my weekly Program Director’s Notes and more!
substack.com/@siegelmarkd...
substack.com/@siegelmarkd...
Subscribe to my new Substack to read my weekly Program Director’s Notes and more!
substack.com/@siegelmarkd...
substack.com/@siegelmarkd...
Mark D. Siegel, M.D. on Substack
Subscribe to my Substack to read weekly letters to my internal medicine residents. All welcome!
substack.com
March 30, 2025 at 5:20 PM
Subscribe to my new Substack to read my weekly Program Director’s Notes and more!
substack.com/@siegelmarkd...
substack.com/@siegelmarkd...
On Leadership (A Program Director's Note on Selecting our 2025-26 Chief Residents);
medicine.yale.edu/internal-med...
medicine.yale.edu/internal-med...
On Leadership (Selecting our 2026-27 Chiefs)
On the essence of leadership
medicine.yale.edu
February 2, 2025 at 5:16 PM
On Leadership (A Program Director's Note on Selecting our 2025-26 Chief Residents);
medicine.yale.edu/internal-med...
medicine.yale.edu/internal-med...
The Goodness We Create: A Program Director’s Note to my Yale Traditional Internal Medicine Residents.
Happy New Year!
medicine.yale.edu/internal-med...
Happy New Year!
medicine.yale.edu/internal-med...
The Goodness We Create (A New Year’s Message)
A New Year’s message of hope to the residency community.
medicine.yale.edu
January 1, 2025 at 7:04 PM
The Goodness We Create: A Program Director’s Note to my Yale Traditional Internal Medicine Residents.
Happy New Year!
medicine.yale.edu/internal-med...
Happy New Year!
medicine.yale.edu/internal-med...
Everything I know about colors, I’ve learned from Gabrielle Siegel! Read her latest Substack here! Boo beige! open.substack.com/pub/theaurac...
Issue 28: The Sad Beige Symposium
On Spotify, Saturation, and the Pantone "color" of the year.
open.substack.com
December 10, 2024 at 1:16 PM
Everything I know about colors, I’ve learned from Gabrielle Siegel! Read her latest Substack here! Boo beige! open.substack.com/pub/theaurac...
Celebrating today's fellowship match for the Yale Traditional Internal Medicine Residency. So proud of our residents!
December 5, 2024 at 5:11 AM
Celebrating today's fellowship match for the Yale Traditional Internal Medicine Residency. So proud of our residents!
A Plate Full of Gratitude (A Thanksgiving #ProgramDirectorsNote to my @TradIMYale residents). @YaleIMed
medicine.yale.edu/internal-med...
medicine.yale.edu/internal-med...
medicine.yale.edu
November 29, 2024 at 1:35 PM
A Plate Full of Gratitude (A Thanksgiving #ProgramDirectorsNote to my @TradIMYale residents). @YaleIMed
medicine.yale.edu/internal-med...
medicine.yale.edu/internal-med...
www.nytimes.com/2024/11/25/o... On the danger of nominating a vaccine skeptic to lead HHS.
Opinion | Kennedy’s Antivax Views and Friends Can Cause Real Damage
What he did during a measles epidemic in Samoa shouldn’t be forgotten.
www.nytimes.com
November 25, 2024 at 1:15 PM
www.nytimes.com/2024/11/25/o... On the danger of nominating a vaccine skeptic to lead HHS.
Reposted by Mark D Siegel MD
OK the #PCCMSky Starter Pack is up to 57 of us
Who is missing? Reply below
Share with a repost
(there is no algorithm here people, so you have to repost for new people to see stuff)
go.bsky.app/88wg6oG
Who is missing? Reply below
Share with a repost
(there is no algorithm here people, so you have to repost for new people to see stuff)
go.bsky.app/88wg6oG
November 19, 2024 at 1:21 PM
OK the #PCCMSky Starter Pack is up to 57 of us
Who is missing? Reply below
Share with a repost
(there is no algorithm here people, so you have to repost for new people to see stuff)
go.bsky.app/88wg6oG
Who is missing? Reply below
Share with a repost
(there is no algorithm here people, so you have to repost for new people to see stuff)
go.bsky.app/88wg6oG
Reposted by Mark D Siegel MD
A “smallpox hospital” lies in ruins in Roosevelt Island in NYC, along with a statue of F.D. Roosevelt, showing the great President sitting in a wheelchair+ extending his hand to a girl in crutches, a fellow victim of polyo, a disease nearly erradicated along with smallpox. @atscommunity.bsky.social
November 18, 2024 at 2:35 AM
A “smallpox hospital” lies in ruins in Roosevelt Island in NYC, along with a statue of F.D. Roosevelt, showing the great President sitting in a wheelchair+ extending his hand to a girl in crutches, a fellow victim of polyo, a disease nearly erradicated along with smallpox. @atscommunity.bsky.social
The Path to Independence (A #ProgramDirectorsNote to my Yale IM residents.
Pulling back the curtain on the clinical competence committee.
medicine.yale.edu/internal-med...
Pulling back the curtain on the clinical competence committee.
medicine.yale.edu/internal-med...
Program Director Notes
medicine.yale.edu
November 18, 2024 at 2:33 AM
The Path to Independence (A #ProgramDirectorsNote to my Yale IM residents.
Pulling back the curtain on the clinical competence committee.
medicine.yale.edu/internal-med...
Pulling back the curtain on the clinical competence committee.
medicine.yale.edu/internal-med...
I’ll be posting Program Director’s Notes to my residents here every Sunday. Here’s where you can read past notes: medicine.yale.edu/internal-med...
Looking forward to sharing my thoughts with you.
Looking forward to sharing my thoughts with you.
Program Director Notes
medicine.yale.edu
November 17, 2024 at 6:45 PM
I’ll be posting Program Director’s Notes to my residents here every Sunday. Here’s where you can read past notes: medicine.yale.edu/internal-med...
Looking forward to sharing my thoughts with you.
Looking forward to sharing my thoughts with you.
Thank you @gregggonsalves.bsky.social. Agree. Petri for the win.
Better political and health and science reporting than anywhere else at the @washingtonpost.com and @nytimes.com. Alexandra Petri for the win. No sugar coating. Straight up. I didn't know whether to laugh or cry. www.washingtonpost.com/opinions/202...
Opinion | RFK Jr. to head newly formed Department of Disease Efficiency
We mistakenly thought that finding a dead mouse in your frozen ravioli dinner was a failure.
www.washingtonpost.com
November 15, 2024 at 11:54 PM
Thank you @gregggonsalves.bsky.social. Agree. Petri for the win.
open.substack.com/pub/jill/p/j... “Tyrants are never one-man machines. They are made and enabled by many others. And when tyrants emerge in democratic systems, they are made by people who consent to their abuse and misuse of that system.”
Jokers and Losers
Trump’s cabinet is absurd. Republicans will accept it anyway. That’s the point.
open.substack.com
November 15, 2024 at 4:12 AM
open.substack.com/pub/jill/p/j... “Tyrants are never one-man machines. They are made and enabled by many others. And when tyrants emerge in democratic systems, they are made by people who consent to their abuse and misuse of that system.”