John Arthur Nerwinski, D.D.S.
Dentist · Placerville, CA
John Arthur Nerwinski, D.D.S. is a dentist with a practice address in Placerville, California, and NPI 1164647327, issued on Apr 14, 2007. Check the license (California D23857, 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 Arthur Nerwinski
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- D23857 CA
Self-reported in NPPES; status is on the state search - Practice location
- 384 Placerville Dr, Placerville, CA 95667
- Phone
- (530) 642-9880
- Enumerated
- Apr 14, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (530) 642-1409
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Verify John Arthur Nerwinski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license D23857Check 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 Arthur Nerwinski among 14,729 dentist records in California
John Arthur Nerwinski, D.D.S. 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 not. Its NPI, issued in 2007, is newer than 18% of them.
- NPI issued2007 · 18% of these records are older, 58% newer
- In a Medicare fileNo · 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).
17 dentist records list a practice address in Placerville
They are 17 of the 989 NPPES records with a practice address in Placerville, and 14,729 dentist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 14,729 in California → Every provider in Placerville → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Michael Erhard, DDSPlacerville, CA 956671881952158
- Nathan Hansen, DDSPlacerville, CA 956671376800391
- Raymond Larsen, DDSPlacerville, CA 956671740486794
- Madeline Majer, DDSPlacerville, CA 956671053542084
- Jeffrey Nelson, DDSPlacerville, CA 956671003814138
- Dale Pierce, DDSPlacerville, CA 956671457367229
- Ike Rahimi, DMDPlacerville, CA 956671174525331
- Robert RamirezPlacerville, CA 956671326113341
Common questions
What is John Arthur Nerwinski, D.D.S.'s NPI number?
John Arthur Nerwinski, D.D.S.'s National Provider Identifier (NPI) is 1164647327, issued on Apr 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Arthur Nerwinski, D.D.S. located?
The NPPES record lists a practice address at 384 Placerville Dr, Placerville, CA, 95667. Phone: (530) 642-9880. Providers update this record themselves, so call before visiting.
How can I verify John Arthur Nerwinski, D.D.S.'s license?
NPPES lists California license number D23857, 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.