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

Sinead Nyhan, MD

Individual provider Critical Care Medicine (Anesthesiology) Physician · NPI 1558704064

Sinead Nyhan, MD is an Anesthesiology in Baltimore, Maryland. Graduated from Loyola University of Chicago, Stritch School of Medicine in 2013, 13 years ago. Practices with Johns Hopkins University, a 2,855-clinician group. Licensed in Maryland.

Years since qualifying
13
Trained at
Loyola University of Chicago, Stritch School of Medicine
Licensed in
MD
In the registry since
2013
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1800 Orleans St # 9127
Baltimore, MD 21287-0010
Phone: (443) 287-3981
Fax: (410) 955-9062
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Critical Care Medicine (Anesthesiology) Physician (primary) Taxonomy 207LC0200X · Licence D83028 (MD)

Record details

NPI number1558704064
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 15, 2013
Last updated in NPPESApril 10, 2023
Certification dateApril 10, 2023

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 2013 (13 years in practice)
Group practice Johns Hopkins University — 2855 clinicians
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

Other providers in Baltimore