Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
William Edward Steffes Jr., M.D.
Dermatology Physician in Deland, FL · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1578855300
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Registry record
Entity type Individual (Type 1)
Name William Edward Steffes Jr.
Credential M.D.
Sex Male
Practice address 600 W Plymouth Ave, Deland, FL, 32720
Phone (386) 738-0322
Fax (386) 738-0628
Enumeration date May 12, 2011
Last updated in NPPES Aug 26, 2019
Taxonomy & licenses
207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License TRN16050 (FL) Secondary
207N00000X Dermatology Physician Allopathic & Osteopathic Physicians · License ME119801 (FL) 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 William Steffes?
The National Provider Identifier (NPI) for William Steffes is 1578855300, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Steffes practice?
The practice location on file with NPPES is in Deland, FL. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → James Taylor Procedural Dermatology Physician · Deland, FL NPI 1083617856 Tina Roberts-Smith Medical Physician Assistant · Deland, FL NPI 1235186578 Alicia Brown Medical Physician Assistant · Deland, FL NPI 1639254980 Courtney Cobaugh Physician Assistant · Deland, FL NPI 1710438270 Shaina Panchal Physician Assistant · Deland, FL NPI 1508434929 Michael Carpino Physician Assistant · Deland, FL NPI 1194431346
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-08-26.