NPPES file of Aug 9, 2026

Guizhen Zhang, DDS

Periodontics · White Bear Lake, MN

Guizhen Zhang, DDS is a periodontics with a practice address in White Bear Lake, Minnesota, and NPI 1770744146, issued on Jun 18, 2008. Check the license (Minnesota S28, as entered in NPPES) with the Minnesota board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1770744146
Name
Guizhen Zhang
Credential
DDS
Primary taxonomy
Periodontics 1223P0300X
License number
S28 MN
Self-reported in NPPES; status is on the state search
Practice location
4801 Highway 61 N Ste 300, White Bear Lake, MN 55110
Phone
(651) 429-2299
Enumerated
Jun 18, 2008
Record last updated
Jul 20, 2009 (not updated in 17 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 4801 Highway 61 N Ste 300

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

  1. Matthew Lorson, D.D.S.Periodontics1912069402

Verify Guizhen Zhang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
    Search for license S28
    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
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19% fewer Medicare Part D claims than the average periodontics in 2024

225 Medicare Part D claims for 95 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D.

  1. Guizhen Zhang225
  2. Specialty average277

Most prescribed

  1. Chlorhexidine Gluconate96 claims
  2. Amoxicillin84 claims
  3. Azithromycin18 claims
  4. Clindamycin Hcl11 claims

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.

Guizhen Zhang among 87 periodontics records in Minnesota

Guizhen Zhang, DDS is one of 87 periodontics records with a practice address in Minnesota. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 54% of them.

  • NPI issued2008 · 54% of these records are older, 38% newer
  • In a Medicare fileYes · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · 5% of these records are
  • Record last updated2009 · 79% 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 Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Periodontics providers in Minnesota

There are 87 periodontics records in Minnesota.

The 8 periodontics records with the nearest ZIP codes

  1. Steven Jacobsen, DDSWhite Bear Lake, MN 551101760657795
  2. Matthew Lorson, D.D.S.White Bear Lake, MN 551101912069402
  3. Caitlin HemmerichMaplewood, MN 551091255751780
  4. Robert Jensen, DDS MSDSaint Paul, MN 551091720099849
  5. Joyce Lee, DDSMaplewood, MN 551091912570672
  6. William Hill, DDSSt Paul, MN 551081558469627
  7. Bryan Michalowicz, DDS, MSSt Paul, MN 551081306909023
  8. Frank Raab, DDS, MSSaint Paul, MN 551081487720983

Common questions

What is Guizhen Zhang, DDS's NPI number?

Guizhen Zhang, DDS's National Provider Identifier (NPI) is 1770744146, issued on Jun 18, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Guizhen Zhang, DDS located?

The NPPES record lists a practice address at 4801 Highway 61 N Ste 300, White Bear Lake, MN, 55110. Phone: (651) 429-2299. Providers update this record themselves, so call before visiting.

How can I verify Guizhen Zhang, DDS's license?

NPPES lists Minnesota license number S28, as entered by the provider. Search the Minnesota board that licenses this profession; the NPPES record confirms identity only.

How much does Guizhen Zhang, DDS prescribe under Medicare Part D?

In 2024, Guizhen Zhang, DDS had 225 Medicare Part D claims for 95 beneficiaries; the average among periodontics prescribers was 277. 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.