Helena Louise Viets
Periodontics · San Francisco, CA
Helena Louise Viets is a periodontics with a practice address in San Francisco, California, and NPI 1821757576, issued on Dec 9, 2021. Check the license (California 111356, 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
- Helena Louise Viets
- Primary taxonomy
- Periodontics 1223P0300X
- License number
- 111356 CA
Self-reported in NPPES; status is on the state search - Practice location
- 707 Parnassus Ave, San Francisco, CA 94143
- Phone
- (415) 502-5800
- Enumerated
- Dec 9, 2021
- Record last updated
- Jul 22, 2026
- Entity
- Type 1 · individual
8 nearest periodontics records → All 929 in California → Look up another NPI →
Also registered at 707 Parnassus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Helena Louise Viets in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 111356Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Helena Louise Viets among 929 periodontics records in California
Helena Louise Viets is one of 929 periodontics records with a practice address in California. 69% 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 2021, is newer than 95% of them.
- NPI issued2021 · 95% of these records are older, 3% newer
- In a Medicare fileNo · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2026 · 78% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Periodontics providers in California
There are 929 periodontics records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 929 in California → Every provider in San Francisco → Periodontics nationwide →
The 8 periodontics records with the nearest ZIP codes
- Hoorshad Fathi-Kelly, DDSSan Francisco, CA 941431821751611
- Justine HaiSan Francisco, CA 941431710433750
- April MartinezSan Francisco, CA 941431992685010
- Fatemeh Momen Heravi, DDS, PHD, MPH, MSSan Francisco, CA 941431366924649
- Connie Oh, D.D.S.San Francisco, CA 941431326393547
- Yogalakshmi Rajendran, BDS, MSSan Francisco, CA 941431740722560
- Mark Ryder, DMDSan Francisco, CA 941431922187020
- Shanne Sastiel, DDSSan Francisco, CA 941431881079507
Common questions
What is Helena Louise Viets's NPI number?
Helena Louise Viets's National Provider Identifier (NPI) is 1821757576, issued on Dec 9, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Helena Louise Viets located?
The NPPES record lists a practice address at 707 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 502-5800. Providers update this record themselves, so call before visiting.
How can I verify Helena Louise Viets's license?
NPPES lists California license number 111356, 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.