Katrina M. Polonsky, DMD
Dentist · Foster City, CA
Katrina M. Polonsky, DMD is a dentist with a practice address in Foster City, California, and NPI 1356416002, issued on Nov 21, 2006. Check the license (California 49192, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katrina M. Polonsky
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License number
- 49192 CA
Self-reported in NPPES; status is on the state search - Practice location
- 581 Foster City Blvd, Foster City, CA 94404
- Phone
- (650) 286-9999
- Enumerated
- Nov 21, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (650) 286-9986
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Also registered at 581 Foster City Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Bahareh Fatemi, DMDGeneral Practice Dentistry1245081835
- Zainab HakimDentist1104402593
Verify Katrina M. Polonsky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 49192Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average dentist in 2024
28 Medicare Part D claims for 12 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Katrina M. Polonsky among 14,729 dentist records in California
Katrina M. Polonsky, DMD 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. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 82% newer
- In a Medicare fileYes · 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).
16 dentist records list a practice address in Foster City
They are 16 of the 242 NPPES records with a practice address in Foster City, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Foster City → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Robert Bonahoom, DDSFoster City, CA 944041396873717
- Polly Chan, D.D.S.Foster City, CA 944041396124491
- Shahrzad DehdariFoster City, CA 944041073730099
- Preethi Joseph, D.D.S.San Mateo, CA 944041598073538
- Marie-Josee Landry, D.M.DFoster City, CA 944041538594452
- Anne Mathew, BDS DDSFoster City, CA 944041457411480
- Catherine Meister, DMDFoster City, CA 944041629357256
- Stephen Mikulic, DDSFoster City, CA 944041821166356
Common questions
What is Katrina M. Polonsky, DMD's NPI number?
Katrina M. Polonsky, DMD's National Provider Identifier (NPI) is 1356416002, issued on Nov 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Katrina M. Polonsky, DMD located?
The NPPES record lists a practice address at 581 Foster City Blvd, Foster City, CA, 94404. Phone: (650) 286-9999. Providers update this record themselves, so call before visiting.
How can I verify Katrina M. Polonsky, DMD's license?
NPPES lists California license number 49192, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Katrina M. Polonsky, DMD prescribe under Medicare Part D?
In 2024, Katrina M. Polonsky, DMD had 28 Medicare Part D claims for 12 beneficiaries; the average among dentist prescribers was 86. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.