Dr. Daniel Martin Appel Jr., DDS

Dr. Daniel Martin Appel Jr. is a Dentist provider (Dentist) practicing in Oroville, CA, registered in the NPPES registry with NPI 1407987779 since 2007. The credential DDS stands for Doctor of Dental Surgery. Practices at Daniel Appel DDS Inc (listed at the same practice address in NPPES).

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI	1407987779
Entity type	Individual (Type 1)
Name	Dr. Daniel Martin Appel Jr.
Credential	DDS
Sex	Male
Practice address	Oroville, CA, 95966
Phone	5305337545
Enumeration date	2007-03-08
Last updated in NPPES	2011-07-19

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
122300000X	Dentist	Primary	59225	CA

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

Copy-ready billing details

Provider: Daniel Appel, DDS
NPI: 1407987779
Taxonomy: 122300000X (Dentist)
Address: Oroville, CA, 95966

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1518285220	Daniel Appel DDS Inc	Organization	Dentist	Oroville, CA

Verify this record

Cross-check NPI 1407987779 against the authoritative CMS record: view Dr. Daniel Martin Appel Jr. 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

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Daniel Appel?

Daniel Appel is registered in NPPES with the primary taxonomy of Dentist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2011-07-19.