Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Jonathan Dreifus, MD
Surgery Physician in Portland, ME · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1235111048
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Registry record
Entity type Individual (Type 1)
Name Dr. Jonathan Dreifus
Credential MD
Sex Male
Practice address 887 Congress St, Ste 400, Portland, ME, 04102
Phone (207) 774-6368
Fax (207) 662-7996
Enumeration date Nov 17, 2005
Last updated in NPPES Jan 28, 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
What is the NPI number for Jonathan Dreifus?
The National Provider Identifier (NPI) for Jonathan Dreifus is 1235111048, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jonathan Dreifus practice?
The practice location on file with NPPES is in Portland, ME. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Michael Curci Pediatric Surgery Physician · Portland, ME NPI 1548264054 Baird Mallory Pediatric Surgery Physician · Portland, ME NPI 1942204466 Georges Abourjaily Surgery Physician · Portland, ME NPI 1700874104 Paul Bloch Surgery Physician · Portland, ME NPI 1225026628 Robert Hawkins Surgery Physician · Portland, ME NPI 1215925631 Renee Chard Genetic Counselor (M.S.) · Portland, ME NPI 1275524928 George Russell Pediatric Gastroenterology Physician · Portland, ME NPI 1366423154 Frederick Radke Surgery Physician · Portland, ME NPI 1144202953
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-01-28.