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DR. STEPHEN JOHN LORENZEN MD
NPI 1316442197
Anesthesiology in New York, NY

Active since March 26, 2018PECOS Enrolled
622 W 168TH ST PH 5-133, NEW YORK, NY 10032(212) 305-3226(212) 305-3204 Get Directions Write a Review

NPPES record last updated: May 28, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 28, 2025, Jun 25, 2024, Mar 27, 2018 (3 updates tracked since 2018).

About Dr. Stephen John Lorenzen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. STEPHEN JOHN LORENZEN MD (NPI 1316442197) is an individual anesthesiology provider in New York, New York, licensed in New York (310125) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Montefiore Medical Center, and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (2018).

NPPES Registry Identity

NPI1316442197
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. STEPHEN JOHN LORENZENCredential: MD
Location Address622 W 168TH ST PH 5-133New York, NY 10032-3720
Mailing Address622 W 168th St Ph 5-133New York, NY 10032-3720 · (212) 305-3226
Phone(212) 305-3226
Fax(212) 305-3204
Sole ProprietorNo
Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 2018
Enumeration DateMarch 26, 2018
Last NPPES UpdateMay 28, 20253 updates tracked since enumeration
NPPES CertifiedMay 28, 2025
✔ NPI 1316442197 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in NY · 310125
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedAnesthesiology · Critical Care MedicineTaxonomy 207LC0200X · License 310125 (NY)
622 W 168TH ST PH 5-133, New York, NY 10032
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Stephen John Lorenzen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5193061802
PECOS Enrollment IDI20240620003902
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Montefiore Medical Center

Acute Care Hospitals · Bronx, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330059
Location111 East 210th StreetBronx, NY 10467 · Bronx County
Emergency services Birthing friendly

New York-Presbyterian Hospital

Acute Care Hospitals · New York, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330101
Location525 East 68th StreetNew York, NY 10065 · New York County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 18

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PETER QI MD
Anesthesiology
622 W 168TH ST PH 5-133
NEW YORK, NY 10032
New York County (212) 305-3226
DR. ANDREW ROBERT KNAPP MD
Anesthesiology
622 W 168TH ST PH 5-133
NEW YORK, NY 10032
New York County (212) 305-3226
JIN CHEN
Student in an Organized Health Care Education/Training Program
622 W 168TH ST PH 5-133
NEW YORK, NY 10032
New York County (212) 305-3226
DR. CAROLYN P. THAI DO
Anesthesiology
622 W 168TH ST PH 5-133
NEW YORK, NY 10032
New York County (212) 305-5232
ISABELLE KAO
Anesthesiology
622 W 168TH ST PH 5-133
NEW YORK, NY 10032
New York County (212) 305-3226
JENNIFER FONG
Anesthesiology
622 W 168TH ST PH 5-133
NEW YORK, NY 10032
New York County (212) 305-3226
LAURA LOMBARDI-KARL
Pain Medicine (Interventional Pain Medicine)
622 W 168TH ST PH 5-133
NEW YORK, NY 10032
New York County (212) 305-3226
VIKAS CHAUHAN MD
Anesthesiology
622 W 168TH ST PH 5-133
NEW YORK, NY 10032
New York County (212) 305-5232

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Stephen Lorenzen's NPI number?

The NPI number for Stephen Lorenzen is 1316442197. It was assigned to this individual provider in the NPPES registry on March 26, 2018.

Where is Stephen Lorenzen located?

Stephen Lorenzen practices at 622 W 168th St Ph 5-133, New York, NY 10032. The listed phone number is (212) 305-3226.

What is Stephen Lorenzen's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Stephen Lorenzen enrolled in Medicare?

Yes. Stephen Lorenzen is registered in the Medicare PECOS enrollment system.

Is Stephen Lorenzen affiliated with any hospitals?

According to CMS data, Stephen Lorenzen is affiliated with Montefiore Medical Center and New York-Presbyterian Hospital.

When was this NPI record last updated?

The NPPES record for Stephen Lorenzen was last updated on May 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.