Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Hans Joachim Laubach, MD
Dermatology Physician in Boston, MA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1659407492
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Registry record
Entity type Individual (Type 1)
Name Hans Joachim Laubach
Credential MD
Sex Male
Practice address Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114
Phone (617) 726-9113
Enumeration date Feb 26, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
207N00000X Dermatology Physician Allopathic & Osteopathic Physicians · License L-220060 (MA) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Hans Laubach?
The National Provider Identifier (NPI) for Hans Laubach is 1659407492, a Type 1 (individual) record in the CMS NPPES registry.
Where does Hans Laubach practice?
The practice location on file with NPPES is in Boston, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.