Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Douglas Benjamin Berg, MD
Surgery Physician in Fairfield, OH · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1437444981
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Registry record
Entity type Individual (Type 1)
Name Dr. Douglas Benjamin Berg
Credential MD
Sex Male
Practice address 3050 Mack Rd, Suite 310, Fairfield, OH, 45014
Phone (513) 924-8895
Fax (513) 924-8909
Enumeration date Jun 13, 2011
Last updated in NPPES Nov 18, 2025
Taxonomy & licenses
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
Where does Douglas Berg practice?
The practice location on file with NPPES is in Fairfield, OH. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Douglas Berg?
The National Provider Identifier (NPI) for Douglas Berg is 1437444981, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-18.