OrganizationActive
Guillermo J. Giangreco, M.D., LLC
NPI 1144501461 · Sleep Medicine (Internal Medicine) Physician · Hanover, MD
Provider details
- NPI number
- 1144501461
- Entity type
- Organization
- Primary specialty
- Sleep Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Authorized official
- Guillermo Giangreco, Owner
- License
- 0101247753 (VA)
Mailing address
1741 Allerford Dr
Hanover, MD 21076-1798
Registry dates
- Enumerated
- 2011-08-31
- Last updated
- 2011-08-31
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.