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

Grace W Pien, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1427077650

Grace W Pien, MD is a Sleep Medicine in Philadelphia, Pennsylvania. Graduated from Columbia University College of Physicians and Surgeons in 1994, 32 years ago. Practices with University of Penn-Medical Group, a 3,401-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
32
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
PA
In the registry since
2006
Specialties on file
3
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

3624 Market St Fl 2
Philadelphia, PA 19104-5803
Phone: (215) 662-7772
Fax: (215) 349-8038
Show map & directions

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

Specialties & licences

Sleep Medicine (Internal Medicine) Physician (primary) Taxonomy 207RS0012X · Licence MD069768L (PA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence MD069768L (PA)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence MD069768L (PA)

Record details

NPI number1427077650
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 19, 2006
Last updated in NPPESSeptember 17, 2023
Certification dateSeptember 17, 2023

Medicare enrollment

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

Medicare specialtySLEEP MEDICINE
Also practisesCRITICAL CARE (INTENSIVISTS), PULMONARY DISEASE
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 1994 (32 years in practice)
Group practice University Of Penn-Medical Group — 3401 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Philadelphia