Andrew Joseph Zwers, D.M.D.
Dentist · Napa, CA
Andrew Joseph Zwers, D.M.D. is a dentist with a practice address in Napa, California, and NPI 1982999553, issued on Jun 12, 2011. Check the license (California 102621, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Andrew Joseph Zwers
- Credential
- D.M.D.
- Primary taxonomy
- Dentist 122300000X
- License numbers
- 102621 CA
D12986 MN
Self-reported in NPPES; status is on the state search - Practice location
- 1141 Pear Tree LN Ste 120, Napa, CA 94558
- Phone
- (707) 258-6128
- Enumerated
- Jun 12, 2011
- Record last updated
- Aug 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Also registered at 1141 Pear Tree LN Ste 120
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Aisha Amin, DMD, MPHDentist1750713764
- Julie Holland, RDHDental Hygienist1831042662
- Daniel Lee, DDSDentist1972236107
- Lu Tian, DDSDentist1003445057
Verify Andrew Joseph Zwers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 102621Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average dentist in 2024
20 Medicare Part D claims for 16 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin12 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.
Andrew Joseph Zwers among 14,729 dentist records in California
Andrew Joseph Zwers, D.M.D. 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 2011, is newer than 54% of them.
- NPI issued2011 · 54% of these records are older, 43% 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 updated2021 · 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).
43 dentist records list a practice address in Napa
They are 43 of the 3,583 NPPES records with a practice address in Napa, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Napa → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Sergey Bondar, DDSNapa, CA 945581679516884
- Ronaldo Chavez, DDSNapa, CA 945581699718676
- Stanley Dittman, D.D.S.Napa, CA 945581295957082
- Donald Dobbs, DDSNapa, CA 945581366470189
- Waltraut Dobbs, DDSNapa, CA 945581801008537
- Samuel Gittings, D.D.S.Napa, CA 945581326069451
- Amine Khoury, D.D.S.Napa, CA 945581669496220
- Michael Kucsera, DDSNapa, CA 945581154334480
Common questions
What is Andrew Joseph Zwers, D.M.D.'s NPI number?
Andrew Joseph Zwers, D.M.D.'s National Provider Identifier (NPI) is 1982999553, issued on Jun 12, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Joseph Zwers, D.M.D. located?
The NPPES record lists a practice address at 1141 Pear Tree LN Ste 120, Napa, CA, 94558. Phone: (707) 258-6128. Providers update this record themselves, so call before visiting.
How can I verify Andrew Joseph Zwers, D.M.D.'s license?
NPPES lists California license number 102621, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Andrew Joseph Zwers, D.M.D. prescribe under Medicare Part D?
In 2024, Andrew Joseph Zwers, D.M.D. had 20 Medicare Part D claims for 16 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.