John Mervyn Whittaker, D.D.S.
General Practice Dentistry · Loma Linda, CA
John Mervyn Whittaker, D.D.S. is a general practice dentistry with a practice address in Loma Linda, California, and NPI 1679622534, issued on Jan 9, 2007. Check the license (California 25363, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Mervyn Whittaker
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 25363 CA
Self-reported in NPPES; status is on the state search - Practice location
- 25455 Barton RD Ste 203B, Loma Linda, CA 92354
- Phone
- (909) 558-6468
- Enumerated
- Jan 9, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Also registered at 25455 Barton RD Ste 203B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jingwei Cai, DDSDentist1154217719
- James Dunn, DDSGeneral Practice Dentistry1083778856
- Gilbert Dupper, DDSGeneral Practice Dentistry1699839464
- Lane Thomsen, DDSGeneral Practice Dentistry1225192008
Verify John Mervyn Whittaker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 25363Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Mervyn Whittaker among 17,852 general practice dentistry records in California
John Mervyn Whittaker, D.D.S. is one of 17,852 general practice dentistry records with a practice address in California. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 29% of them.
- NPI issued2007 · 29% of these records are older, 40% newer
- In a Medicare fileNo · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
72 general practice dentistry records list a practice address in Loma Linda
They are 72 of the 4,863 NPPES records with a practice address in Loma Linda, and 17,852 general practice dentistry records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,852 in California → Every provider in Loma Linda → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Daniel Armstrong, D.D.S.Loma Linda, CA 923541396963393
- Brian Black, D.D.S.Loma Linda, CA 923541679793426
- James Dunn, DDSLoma Linda, CA 923541083778856
- Gilbert Dupper, DDSLoma Linda, CA 923541699839464
- Ronald Forde, D.D.S.Loma Linda, CA 923541285840579
- Roger Gilbert, D.D.S.Loma Linda, CA 923541184771156
- Gary Golden, D.D.S.Loma Linda, CA 923541265648489
- Luke Iwata, D.D.S.Loma Linda, CA 923541578561106
Common questions
What is John Mervyn Whittaker, D.D.S.'s NPI number?
John Mervyn Whittaker, D.D.S.'s National Provider Identifier (NPI) is 1679622534, issued on Jan 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Mervyn Whittaker, D.D.S. located?
The NPPES record lists a practice address at 25455 Barton RD Ste 203B, Loma Linda, CA, 92354. Phone: (909) 558-6468. Providers update this record themselves, so call before visiting.
How can I verify John Mervyn Whittaker, D.D.S.'s license?
NPPES lists California license number 25363, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.