Michael B Libby, DDS

Michael B Libby is a General Practice Dentistry provider (Dentist) practicing in Old Town, ME, registered in the NPPES registry with NPI 1538103171 since 2006. The credential DDS stands for Doctor of Dental Surgery. Practices at Rj Dental PA (listed at the same practice address in NPPES).

✓ Active NPI ✓ Valid NPI checksum

NPI	1538103171
Entity type	Individual (Type 1)
Name	Michael B Libby
Credential	DDS
Sex	Male
Practice address	15 GOLDSMITH LN, Old Town, ME, 04468
Phone	2078277179
Fax	2078278374
Enumeration date	2006-06-15
Last updated in NPPES	2007-07-08

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
1223G0001X	General Practice Dentistry	Primary	2930	ME

DDS — Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

Copy-ready billing details

Provider: Michael Libby, DDS
NPI: 1538103171
Taxonomy: 1223G0001X (General Practice Dentistry)
Address: 15 GOLDSMITH LN, Old Town, ME, 04468

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1235896101	Rj Dental PA	Organization	Dental Clinic/Center	Old Town, ME

Verify this record

Cross-check NPI 1538103171 against the authoritative CMS record: view Michael B Libby on the official NPPES registry .

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. Read the full guide or validate an NPI number.

Frequently asked questions

Where does Michael Libby practice?

The practice location on file with NPPES is in Old Town, ME. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Michael Libby?

The National Provider Identifier (NPI) for Michael Libby is 1538103171, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.