Gregory Thomas Mellon, DDS
Dentist · McKinleyville, CA
Gregory Thomas Mellon, DDS is a dentist with a practice address in McKinleyville, California, and NPI 1700809589, issued on Jul 25, 2006. Check the license (California 25948, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Thomas Mellon
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 25948 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1737 Central Ave, McKinleyville, CA 95519
- Phone
- (707) 839-3262
- Enumerated
- Jul 25, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (707) 839-3275
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Verify Gregory Thomas Mellon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 25948Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average dentist in 2024
51 Medicare Part D claims for 42 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin37 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Gregory Thomas Mellon among 14,729 dentist records in California
Gregory Thomas Mellon, DDS is one of 14,729 dentist records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 82% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dentist providers in California
There are 14,729 dentist records in California.
All 14,729 in California → Every provider in McKinleyville → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Timothy RoettgerMcKinleyville, CA 955191861876062
- John Bennett, D.D.S.Arcata, CA 955211154341733
- William Bratton, D.D.S.Arcata, CA 955211962681122
- Julia Duong, DDSArcata, CA 955211538665799
- Erica Jones Hindbaugh, DDSArcata, CA 955211700219128
- Adam Kochendorfer, DDSArcata, CA 955211780873885
- Brett Nestman, DDSArcata, CA 955211295371425
- Gregory Parish, DDSArcata, CA 955211710092895
Common questions
What is Gregory Thomas Mellon, DDS's NPI number?
Gregory Thomas Mellon, DDS's National Provider Identifier (NPI) is 1700809589, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Thomas Mellon, DDS located?
The NPPES record lists a practice address at 1737 Central Ave, McKinleyville, CA, 95519. Phone: (707) 839-3262. Providers update this record themselves, so call before visiting.
How can I verify Gregory Thomas Mellon, DDS's license?
NPPES lists California license number 25948, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory Thomas Mellon, DDS prescribe under Medicare Part D?
In 2024, Gregory Thomas Mellon, DDS had 51 Medicare Part D claims for 42 beneficiaries; the average among dentist prescribers was 86. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.