Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Gregory Sheehan, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1114389749

Dr. Gregory Sheehan, MD practises Anesthesiology in Los Angeles, California. Graduated from Columbia University College of Physicians and Surgeons in 2016, 10 years ago. Practices with North Shore - Lij Anesthesiology, PC, a 1,004-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
10
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
CA
In the registry since
2016
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

Student / training record This NPI belongs to someone enrolled in a health care training programme. It carries no licence and no practice of its own, so no address or phone number is published for it.

Los Angeles, CA

No coordinates on file. Search this address in Google Maps

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence A165880 (CA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1114389749
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 23, 2016
Last updated in NPPESSeptember 14, 2020
Certification dateAugust 6, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 2016 (10 years in practice)
Group practice North Shore - Lij Anesthesiology, Pc — 1004 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients205
Services billed 243 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at North Shore - Lij Anesthesiology, PC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1004 clinicians in the practice; 12 are shown here.

Other providers in Los Angeles