NPPES file of Aug 9, 2026

Laurence Mark Brownstein, D.D.S.

General Practice Dentistry · Sausalito, CA

Laurence Mark Brownstein, D.D.S. is a general practice dentistry with a practice address in Sausalito, California, and NPI 1770702631, issued on Apr 25, 2007. Check the license (California 33728, 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.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1770702631
Name
Laurence Mark Brownstein
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
33728 CA
Self-reported in NPPES; status is on the state search
Practice location
30 Caledonia St, Sausalito, CA 94965
Phone
(415) 332-2458
Enumerated
Apr 25, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 30 Caledonia St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Bruce Davey, D.D.S.Dentist1124235338
  2. John Pieraccini, D.D.S.General Practice Dentistry1073697751

Verify Laurence Mark Brownstein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 33728
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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3 general practice dentistry records list a practice address in Sausalito

They are 3 of the 200 NPPES records with a practice address in Sausalito, and 17,852 general practice dentistry records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other general practice dentistry records in California

  1. Ronald Aanerud, DDSSan Diego, CA1871752931
  2. Steven Aaronson, D.D.S.Santa Monica, CA1265455851
  3. Shahrzad Aarup, DDSPomona, CA1265784367
  4. Al Abad, DDSSan Jose, CA1104992148
  5. Erwin Abad, D.D.S.Canoga Park, CA1861590093
  6. Francine Abad, DDSSan Francisco, CA1942700810
  7. Maria Abad, D.D.S.Norwalk, CA1215006754
  8. Mark Ryan Abad, DDSDaly City, CA1770357394
  9. Sanaz Abadi, D.D.S.Los Angeles, CA1699934026
  10. Ernesto Abadilla, DDSPalm Desert, CA1508063801

Common questions

What is Laurence Mark Brownstein, D.D.S.'s NPI number?

Laurence Mark Brownstein, D.D.S.'s National Provider Identifier (NPI) is 1770702631, issued on Apr 25, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Laurence Mark Brownstein, D.D.S. located?

The NPPES record lists a practice address at 30 Caledonia St, Sausalito, CA, 94965. Phone: (415) 332-2458. Providers update this record themselves, so call before visiting.

How can I verify Laurence Mark Brownstein, D.D.S.'s license?

NPPES lists California license number 33728, 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.