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

Barry Grant Fields, MD

Individual provider Sleep Medicine (Internal Medicine) Physician · NPI 1104000314

Barry Grant Fields, MD is a Sleep Medicine (Internal Medicine) Physician in Philadelphia, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2007.

Licensed in
PA
In the registry since
2007
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 Ste 201
Philadelphia, PA 19104-2614
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 MD442169 (PA)

Record details

NPI number1104000314
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 24, 2007
Last updated in NPPESDecember 2, 2013

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