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

Willaim J Pegg, MD, PC

Organization Obstetrics & Gynecology Physician · NPI 1740479807

Willaim J Pegg, MD, PC is an Obstetrics & Gynecology Physician in Hyannis, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2007.

Licensed in
MA
In the registry since
2007
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

26 Gleason St
Hyannis, MA 02601-5223
Phone: (507) 771-4850
Fax: (508) 771-3658
Show map & directions

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

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 59534 (MA)

Record details

NPI number1740479807
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Pegg — President · (508) 771-4850
NPI enumeratedOctober 15, 2007
Last updated in NPPESApril 20, 2008
Mailing addressPo Box 2460, Teaticket, MA 02536-2460

Other providers in Hyannis