Constance Ohlrich Mazzetti, DDS
Dentist · Palo Alto, CA
Constance Ohlrich Mazzetti, DDS is a dentist with a practice address in Palo Alto, California, and NPI 1336218916, issued on Nov 7, 2006. Check the license (California 40291, 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
- Constance Ohlrich Mazzetti
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 40291 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2235 Alma Street, Palo Alto, CA 94301
- Phone
- (650) 327-1530
- Enumerated
- Nov 7, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (650) 327-6950
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Also registered at 2235 Alma Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Mazzetti, DDSDentist1780753608
Verify Constance Ohlrich Mazzetti in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 40291Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Constance Ohlrich Mazzetti among 14,729 dentist records in California
Constance Ohlrich Mazzetti, DDS 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 82% 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).
Dentist providers in California
There are 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 Palo Alto → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Chad Abed, DDSPalo Alto, CA 943011992812101
- Shachi Bahl, DMDPalo Alto, CA 943011316080666
- Jennifer De La Paz, D.M.D, FAGDPalo Alto, CA 943011669682928
- Christine Hansen, DDSPalo Alto, CA 943011295870665
- Shahrzad Heidarian, D.D.S.Palo Alto, CA 943011194885749
- Robert Iverson, D.M.D.Palo Alto, CA 943011043370299
- Christopher Joy, D.M.D.Palo Alto, CA 943011952520405
- Robert Mazzetti, DDSPalo Alto, CA 943011780753608
Common questions
What is Constance Ohlrich Mazzetti, DDS's NPI number?
Constance Ohlrich Mazzetti, DDS's National Provider Identifier (NPI) is 1336218916, issued on Nov 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Constance Ohlrich Mazzetti, DDS located?
The NPPES record lists a practice address at 2235 Alma Street, Palo Alto, CA, 94301. Phone: (650) 327-1530. Providers update this record themselves, so call before visiting.
How can I verify Constance Ohlrich Mazzetti, DDS's license?
NPPES lists California license number 40291, 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.