Dr. Stephen John Lorenzen, MD
- Medicare patients, 2024
- 26
- Publications
- 2
- MIPS score, 2024
- 100
- Hospital affiliations
- 1
- Industry payments
- $268
- Practice address
- 622 W 168th St, New York, NY 10032
- Practice phone
- Call (212) 297-4255
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Columbia University Irving Medical Center
New York, New York
Find Dr. Lorenzen's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Stephen John Lorenzen is an anesthesiologist in New York, New York
Dr. Lorenzen practices at Columbia University Irving Medical Center in New York, New York.
Dr. Lorenzen's NPI, 1316442197, was assigned on March 26, 2018. Dr. Lorenzen graduated from Albert Einstein College of Medicine of Yeshiva University in 2018. Dr. Lorenzen holds New York license 310125.
- NPI
- 1316442197NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193061802
- NPI enumeration date
- March 26, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (212) 297-4255
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen John Lorenzen practices at Columbia University Irving Medical Center in New York, New York
Dr. Lorenzen's primary practice is Columbia University Irving Medical Center, at 622 W 168th St, New York, NY 10032 in New York County. The practice phone is (212) 297-4255.
- Columbia University Irving Medical Center622 W 168th St, New York, NY 10032 · New York CountyPhone(212) 297-4255
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Stephen John Lorenzen is affiliated with 2 sites of care and 2 medical groups
Dr. Lorenzen's primary practice is Columbia University Irving Medical Center in New York, New York. Dr. Lorenzen is also affiliated with NewYork-Presbyterian/Weill Cornell Medical Center. The medical group on file is Montefiore Einstein Faculty Practice Group. Dmand AI also links Dr. Lorenzen to 1 more medical group, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Stephen John Lorenzen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lorenzen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Columbia University Irving Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Stephen John Lorenzen is one of 3,858 anesthesiologists in New York
Anesthesiology is Dr. Lorenzen's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Lorenzen is licensed in New York.
Specialties and state licenses
- Anesthesiology, New YorkPrimary
Anesthesiologists near Dr. Lorenzen
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Stephen John Lorenzen treated 26 Medicare patients in 2024, average age 74
CMS counts 26 Medicare patients who saw Dr. Lorenzen in 2024. The largest group is 65 to 74, with 12 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 42% are also on Medicaid. Their average risk score is 2.63, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Lorenzen's median patient age at 64, with 48% women.
Dr. Lorenzen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Lorenzen's Medicare patients by sex, 2024
- Women1558%
- Men1142%
Chronic conditions among Dr. Lorenzen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease58%
- Diabetes58%
- Heart failure54%
- Ischemic heart disease54%
- Arthritis46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lorenzen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women48%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stephen John Lorenzen scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Lorenzen for performance year 2024, reported as part of a group. Dr. Lorenzen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Lorenzen's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
Dr. Stephen John Lorenzen has 2 publications on record
Dmand AI links 2 papers to Dr. Lorenzen, published from 2012 to 2025. Dr. Lorenzen's most frequent co-authors are Daniel A. Burack, MD, Philipp Johann Fassbender, MD and Gary E. Kalkut, MD.
Dr. Lorenzen's most frequent co-authors
- Daniel A. Burack, MD1 shared paper
- Philipp Johann Fassbender, MD1 shared paper
- Gary E. Kalkut, MD1 shared paper
Recent publications by Dr. Lorenzen
See who Dr. Lorenzen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lorenzen works with, so you can find a warm path to the right anesthesiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Stephen John Lorenzen received $268 in industry payments in 2024
CMS Open Payments shows 2 general payments to Dr. Lorenzen from 2 drug and device companies in 2024. Food and beverage make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $139.
Companies that paid Dr. Lorenzen the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen John Lorenzen graduated from Albert Einstein College of Medicine of Yeshiva University
Dr. Lorenzen graduated from Albert Einstein College of Medicine of Yeshiva University in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stephen John Lorenzen's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Stephen John Lorenzen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Stephen John Lorenzen's NPI number?
Dr. Stephen John Lorenzen's NPI number is 1316442197. It was assigned on March 26, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen John Lorenzen?
Dr. Stephen John Lorenzen is an anesthesiologist in New York, New York. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Stephen John Lorenzen practice?
Dr. Lorenzen practices at 622 W 168th St, New York, NY 10032. Dr. Lorenzen's primary practice is Columbia University Irving Medical Center in New York, New York. Dmand AI also links Dr. Lorenzen to 1 medical group.
What is Dr. Stephen John Lorenzen's office phone number?
The practice phone on file for Dr. Lorenzen is (212) 297-4255.
What is Dr. Stephen John Lorenzen's medical license number?
Dr. Lorenzen holds New York license 310125.
Which hospitals is Dr. Stephen John Lorenzen affiliated with?
Dr. Lorenzen is affiliated with NewYork-Presbyterian/Weill Cornell Medical Center.
What medical group is Dr. Stephen John Lorenzen part of?
Dr. Lorenzen is linked to Montefiore Einstein Faculty Practice Group. Dmand AI links Dr. Lorenzen to 1 more medical group.
Does Dr. Stephen John Lorenzen accept Medicare?
Yes. CMS lists Dr. Lorenzen as accepting Medicare assignment.
What is Dr. Stephen John Lorenzen's MIPS score?
Dr. Lorenzen's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Dr. Stephen John Lorenzen see?
CMS counts 26 Medicare patients who saw Dr. Lorenzen in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
Where did Dr. Stephen John Lorenzen go to medical school?
Dr. Lorenzen graduated from Albert Einstein College of Medicine of Yeshiva University in 2018.
Has Dr. Stephen John Lorenzen received payments from drug or device companies?
CMS Open Payments shows $268 in general payments to Dr. Lorenzen from 2 companies from 2024 to 2024. The largest total came from Edwards Lifesciences Corporation.
How long has Dr. Stephen John Lorenzen been practicing?
Dr. Lorenzen graduated from medical school in 2018, 8 years ago.
Does Dr. Stephen John Lorenzen do research?
Dmand AI links 2 publications to Dr. Lorenzen, published from 2012 to 2025.
Who does Dr. Stephen John Lorenzen publish with?
Dr. Lorenzen's most frequent co-authors are Daniel A. Burack, MD (1 shared paper), Philipp Johann Fassbender, MD (1 shared paper) and Gary E. Kalkut, MD (1 shared paper).
Selling to anesthesiology practices?
See anesthesiologists in New York by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card