Michael Warren Johnston, D.D.S.
General Practice Dentistry · Daly City, CA
Michael Warren Johnston, D.D.S. is a general practice dentistry with a practice address in Daly City, California, and NPI 1912037649, issued on Mar 6, 2007. Check the license (California 28336, 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
- Michael Warren Johnston
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 28336 CA
Self-reported in NPPES; status is on the state search - Practice location
- 341 Westlake Ctr Ste 205, Daly City, CA 94015
- Phone
- (650) 755-7736
- Enumerated
- Mar 6, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (650) 755-5327
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Also registered at 341 Westlake Ctr Ste 205
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Phuong Cheng, DDSGeneral Practice Dentistry1205197241
Verify Michael Warren Johnston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 28336Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Michael Warren Johnston among 17,852 general practice dentistry records in California
Michael Warren Johnston, 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).
58 general practice dentistry records list a practice address in Daly City
They are 58 of the 1,606 NPPES records with a practice address in Daly City, 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 Daly City → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Marivic Agoncillo, D.D.SDaly City, CA 940151366574311
- Paul Belluomini, DDSDaly City, CA 940151457458564
- Renato Calip, DDSDaly City, CA 940151396815908
- Mariche Fernandez, DMDDaly City, CA 940151871639294
- Mylene GandingcoDaly City, CA 940151881723989
- Kenneth Hovden, DDSDaly City, CA 940151144335829
- John Kis, DDSDaly City, CA 940151174621213
- Scott Mock, D.D.S., M.P.H.Daly City, CA 940151053538215
Common questions
What is Michael Warren Johnston, D.D.S.'s NPI number?
Michael Warren Johnston, D.D.S.'s National Provider Identifier (NPI) is 1912037649, issued on Mar 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michael Warren Johnston, D.D.S. located?
The NPPES record lists a practice address at 341 Westlake Ctr Ste 205, Daly City, CA, 94015. Phone: (650) 755-7736. Providers update this record themselves, so call before visiting.
How can I verify Michael Warren Johnston, D.D.S.'s license?
NPPES lists California license number 28336, 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.