Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Adam M Preston, OD, PHD
Optometrist in Patuxent River, MD · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1376872531
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Registry record
Entity type Individual (Type 1)
Name Dr. Adam M Preston
Credential OD, PHD
Sex Male
Practice address 47149 Buse Rd Bldg 1370, Patuxent River, MD, 20670
Phone (301) 342-1418
Enumeration date Dec 17, 2009
Last updated in NPPES Dec 9, 2024
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD 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
Where does Adam Preston practice?
The practice location on file with NPPES is in Patuxent River, MD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Adam Preston?
The National Provider Identifier (NPI) for Adam Preston is 1376872531, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → William Padgett Aerospace Medicine Physician · Patuxent River, MD NPI 1437146164 William Hill Optometrist · Patuxent River, MD NPI 1528041415 Saqib Ishteeaque General Practice Dentistry · Patuxent River, MD NPI 1134105786 Stephen Archer Obstetrics & Gynecology Physician · Patuxent River, MD NPI 1467422840 Andrew Branham Occupational Medicine Physician · Patuxent Rvr, MD NPI 1699838698 Susanna Mcnamara Clinical Social Worker · Patuxent River, MD NPI 1780705079 Hoan Nghiem General Practice Dentistry · Patuxent River, MD NPI 1770789869 Heather Henderson Clinical Social Worker · Patuxent River, MD NPI 1316120975
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-12-09.